Pioneer Corporation
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Pioneer Corporation
, is a Japanese multinational corporation based in Tokyo, that specializes in digital entertainment products. The company was founded by Nozomu Matsumoto on January 1, 1938 in Tokyo as a radio and Loudspeaker, speaker repair shop. Its current president is Shiro Yahara. Pioneer played a role in the development of interactive cable TV, the Laserdisc, LaserDisc player, the first automotive compact disc, Compact Disc player, the first detachable face car stereo, Supertuner technology, DVD and DVD recording, the first AV receiver with Dolby Digital, plasma display (with the last 2 years of plasma models being branded as Pioneer Kuro, Kuro, lauded for their outstanding black levels) and organic light-emitting diode, Organic LED display (OLED). The company works with optical disc and display technology and software products and is also a manufacturer. BMW, Volkswagen Group and Daimler AG of Germany jointly acquired a 3% ownership stake in Pioneer through a joint venture company called H ...
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Bunkyō
is a Special wards of Tokyo, special ward in the Tokyo, Tokyo Metropolis in Japan. Situated in the middle of the ward area, Bunkyō is a residential and educational center. Beginning in the Meiji period, literati like Natsume Sōseki, as well as scholars and politicians have lived there. Bunkyō is home to the Tokyo Dome, Judo's Kodokan Judo Institute, Kōdōkan, and the University of Tokyo's Hongō campus, Hongo Campus. It was formed in 1947 as a merger of Hongo and Koishikawa wards following Tokyo City's Local Autonomy Act, transformation into Tokyo Metropolis. The modern Bunkyo ward exhibits contrasting Shitamachi and Yamanote geographical and cultural division. The Nezu and Sendagi neighborhoods in the ward's eastern corner is attached to the Shitamachi area in Ueno. On the other hand, the remaining areas of the ward typically represent Yamanote districts. As of 2022, the ward has a population of 240,069 (including about 8,500 foreign residents), and a population density of . ...
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Compact Disc
The compact disc (CD) is a Digital media, digital optical disc data storage format co-developed by Philips and Sony to store and play digital audio recordings. It employs the Compact Disc Digital Audio (CD-DA) standard and was capable of holding of uncompressed stereo audio. First released in Japan in October 1982, the CD was the second optical disc format to reach the market, following the larger LaserDisc (LD). In later years, the technology was adapted for computer data storage as CD-ROM and subsequently expanded into various writable and multimedia formats. , over 200 billion CDs (including audio CDs, CD-ROMs, and CD-Rs) had been sold worldwide. Standard CDs have a diameter of and typically hold up to 74 minutes of audio or approximately of data. This was later regularly extended to 80 minutes or by reducing the spacing between data tracks, with some discs unofficially reaching up to 99 minutes or which falls outside established specifications. Smaller variants, such ...
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Voxx International
Voxx International Corporation was an American consumer electronics company founded as Audiovox Corporation in 1960, and renamed Voxx in 2012. It was headquartered in Orlando, Florida. The company specialized in four areas: OEM and after-market automotive electronics, consumer electronics accessories, and consumer and commercial audio equipment. It was purchased by Gentex in April 2025. Over the years, Voxx International has purchased a number of recognizable brandnames when the original companies were no longer viable as independent specialty shops, including Acoustic Research, Advent, Code Alarm, Invision, Jensen, Klipsch, Prestige, RCA, 808 Audio, and Terk, among others. Its international brands include Audiovox, Hirschmann, Heco, Incaar, Oehlbach, Mac Audio, Magnat, Schwaiger, and others. In addition, the company licenses the Energizer brand. History In 2020, Voxx International Corporation announced the change of name Klipsch Holding, LLC, which became ''Premium ...
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Pioneer DJ
Pioneer DJ is a brand of DJ products, including CDJ, media players and DJ controller, DJ controllers, turntables, DJ mixers, headphones, effects units, and loudspeakers. Originally part of Pioneer Corporation, the company became independent in 2014 as Pioneer DJ Corporation, and has produced numerous industry-standard DJ products. The company's market share of the DJ market is estimated at 60%. Pioneer DJ Corporation changed its company name to AlphaTheta Corporation from January 1, 2020. Their brands and brand names, including Pioneer DJ, were not affected by this change. In January 2024, it was announced that new products would be released under the AlphaTheta brand, alongside Pioneer DJ. History Background In 1937, Nozomu Matsumoto developed the Pioneer A-8, the very first dynamic speaker to be built in Japan from original components. The following year, Matsumoto founded the Fukuin Shokai Denki Seisakusho company, a radio and Loudspeaker, speaker repair shop, in Osaka Japan. I ...
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Kohlberg Kravis Roberts
KKR & Co. Inc., also known as Kohlberg Kravis Roberts & Co., is an American global private-equity and investment company. , the firm had completed private-equity investments in portfolio companies with approximately $710 billion of total enterprise value. Its assets under management (AUM) and fee paying assets under management (FPAUM) were $553 billion and $446 billion, respectively. KKR was founded in 1976 by Jerome Kohlberg Jr., and cousins Henry Kravis and George R. Roberts, all of whom had previously worked together at Bear Stearns, where they completed some of the earliest leveraged buyout transactions. Since its founding, KKR has completed a number of transactions, including the 1989 leveraged buyout of RJR Nabisco, which was the largest buyout in history to that point, as well as the 2007 buyout of TXU, which is currently the largest buyout completed to date.
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Onkyo
is a Japanese consumer electronics company, specializing in premium home cinema and audio equipment, including AV receivers, surround sound speakers and portable devices. The company started under the name of Osaka Denki Onkyo K.K. in 1946 (a company not related to Nippon Denki Onkyo, which became Denon). The company's umbrella included Integra and Integra Research divisions as well as the main Onkyo brand. It became Onkyo Home Entertainment Corporation after purchasing Pioneer Home Electronics. The company became bankrupt in 2022; the Onkyo brand now does business under joint ownership by Sharp Corporation and Voxx International. Name The word ''Onkyo'' translates as "sound resonance". ''On'' () is from Chinese pronunciation, with traditional Japanese pronunciation as ''Oto'', meaning "sound". ''Kyo'' () is also from Chinese pronunciation, pronounced as ''Hibiki'' (noun) or ''Hibiku'' (verb) in traditional Japanese, meaning "resound, sound, or echo". History Onkyo was ...
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Sharp Corporation
is a Japanese electronics company. It is headquartered in Sakai, Osaka, and was founded by Tokuji Hayakawa in 1912 in Honjo, Tokyo, and established as the Hayakawa Metal Works Institute in Abeno-ku, Osaka, in 1924. Since 2016, it is majority owned by the Taiwan-based manufacturer Hon Hai Precision Industry Co., Ltd., better known as Foxconn. Sharp makes and has made throughout its history various different Consumer electronics, consumer electronic products, including kitchen appliances such as Microwave oven, microwave ovens, cookers, washing machines and refrigerators; home appliances such as solar cells, vacuum cleaners, Air purifier, air purifiers and lighting; home and office devices such as Printer (computing), printers, Computer monitor, computer displays, Television set, TV sets, camcorders, Videocassette recorder, VCRs, as well as calculators and various audio products such as Radio receiver, radios, Home audio, audio systems and wireless speakers. Sharp's net sales re ...
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Mitsubishi
The is a group of autonomous Japanese multinational companies in a variety of industries. Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group traces its origins to the Mitsubishi zaibatsu, a unified company that existed from 1870 to 1946. The company, along with other major zaibatsu, was disbanded during the occupation of Japan following World War II by the order of the Allies. Despite the dissolution, the former constituent companies continue to share the Mitsubishi brand and trademark. While the group of companies engages in limited business cooperation, most notably through monthly "Friday Conference" executive meetings, they remain formally independent and are not under common control. The three main entities ('' gosanke'') are Mitsubishi UFJ Financial Group (the largest bank in Japan), Mitsubishi Corporation (a general trading company), and Mitsubishi Heavy Industries (a diversified manufacturing company). A 2020 estimate concluded that all the Mitsubishi compani ...
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Daimler AG
Mercedes-Benz Group AG (formerly Daimler-Benz, DaimlerChrysler, and Daimler) is a German multinational automotive company headquartered in Stuttgart, Baden-Württemberg, Germany. It is one of the world's leading car manufacturers. Daimler-Benz was formed with the merger of Benz & Cie., the world's oldest car company, and Daimler Motoren Gesellschaft in 1926. The company was renamed DaimlerChrysler upon the acquisition of the American automobile manufacturer, Chrysler Corporation in 1998, it was renamed to Daimler upon the divestment of Chrysler in 2007. In 2021, Daimler was the second-largest German automaker and the sixth-largest worldwide by production. In February 2022, Daimler was renamed Mercedes-Benz Group as part of a transaction that spun-off its commercial vehicle segment as an independent company, Daimler Truck. The Mercedes-Benz Group's marques are Mercedes-Benz for cars and vans (including Mercedes-AMG and Mercedes-Maybach). It has shares in other vehicle ma ...
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Volkswagen Group
Volkswagen AG (), known internationally as the Volkswagen Group, is a German public multinational conglomerate manufacturer of passenger and commercial vehicles, motorcycles, engines and turbomachinery. Headquartered in Wolfsburg, Lower Saxony, Germany, and since the late 2000s is a publicly traded family business owned by Porsche SE, which in turn is half-owned but fully controlled by the Austrian-German Porsche and Piëch family. The company also offers related services, including financing, leasing, and fleet management. In 2024, it was the world's second-largest automaker by sales. It has maintained the largest market share in Europe for over two decades. It ranked 11th in the 2024 ''Fortune'' Global 500 list of the world's largest companies. In 2024, Volkswagen Group was the largest company in the European Union and the largest car manufacturer in the world by revenue. The Volkswagen Group sells passenger cars under the Audi, Bentley, Cupra, Jetta, Lamborghini, Pors ...
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Organic Light-emitting Diode
An organic light-emitting diode (OLED), also known as organic electroluminescent (organic EL) diode, is a type of light-emitting diode (LED) in which the emissive electroluminescent layer is an organic compound film that emits light in response to an electric current. This organic layer is situated between two electrodes; typically, at least one of these electrodes is transparent. OLEDs are used to create digital displays in devices such as television screens, computer monitors, and portable systems such as smartphones and handheld game consoles. A major area of research is the development of white OLED devices for use in solid-state lighting applications. There are two main families of OLED: those based on small molecules and those employing polymers. Adding mobile ions to an OLED creates a light-emitting electrochemical cell (LEC) which has a slightly different mode of operation. An OLED display can be driven with a passive-matrix (PMOLED) or active-matrix ( AMOLED) c ...
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Pioneer Kuro
Kuro was the brand name that Pioneer Corporation used for its line of high-definition plasma televisions. "Kuro" means black in Japanese. History At the 2008 Consumer Electronics Show, Pioneer unveiled its "Ultimate Black" Kuro. The Kuro's plasma technology reduces light emissions from black areas of the screen to such a degree that at its maximum brightness, the contrast ratio was considered “almost infinite”. Hard-core home theater enthusiasts and home cinema aficionados stated that the Kuro was the only HDTV to achieve the "true black". Reviewers said that the Kuro represented the best-in-class technology, as its images were the most vibrant and colorful of any HDTV at the time, whether LCD, LED-LCD, or plasma. Sony had unveiled the XEL-1 OLED display which has even better contrast than the Kuro including darker blacks; however at that stage OLED technology was still plagued by reliability and lifespan issues. Despite being critically acclaimed, the Kuro was commerciall ...
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