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Ikegami Tsushinki is a Japanese manufacturer specialized in television equipment. In the mid-80s, the corporation operated a video game division that assisted with the manufacturing and programming of various arcade games, including Donkey Kong[1]. Though not credited, the company frequently left messages in the game's ROM data indicating their involvement
History with the Mario series
Hiroshi Yamauchi hired Ikegami Tsushinki to assist Shigeru Miyamoto in developing Donkey Kong, as he had no programming experiences at the time[1]. Miyamoto's would produce various ideas and sketches, that Ikegami would then program into the game.
The contract gave Ikegami exclusive rights for manufacturing Donkey Kong arcade boards. Due to the unexpected demand for the game, Nintendo ignored the clause and produced arcade boards of its own[1].
Nintendo later hired a company named Iwasaki Engineering to reverse-engineer Donkey Kong's code in order to produce a sequel[1]. In response, Ikegami Tsushinki filled a lawsuit for copyright infringement. In 1990, a court ruling decided that Nintendo did not own the arcade Donkey Kong code. The two companies settled out of court[1].
References
| Companies
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| Game companies
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Divisions and subsidiaries of Nintendo
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1-UP Studio • iQue • Mario Club Co., Ltd. • NDcube • Next Level Games • Nintendo • †Nintendo Entertainment Analysis and Development • Nintendo Entertainment Planning and Development • †Nintendo Research & Development 1 • †Nintendo Research & Development 2 • †Nintendo Software Planning & Development • Nintendo Software Technology Corporation • †Nintendo System Development • Retro Studios • Treehouse
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| Third parties
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†AlphaDream • Arika • ArtePiazza • †Artoon • Arzest • Bandai Namco Entertainment • †Banpresto • †Bullet-Proof Software • Camelot Software Planning • Capcom • CAProduction • Game Arts • Game Freak • Good-Feel • GREZZO Co., Ltd. • GungHo Online Entertainment • HAL Laboratory • †Hudson Soft • Ikegami Tsushinki • Intelligent Systems • Interplay • Jupiter • Konami • Monster Games • †NovaLogic • Paon DP • Racjin • Radical Entertainment • Rare Ltd. • Royal Philips Electronics • Sega • Silverball Studios • Softnica • Sora Ltd. • Spike Chunsoft • Square Enix • †St.GIGA • †SUZAK Inc. • TOSE Software Co. • Treasure • Ubisoft • Velan Studios • Coleco • †Atarisoft • Sharp Corporation • †The Software Toolworks • Atari Corporation • National Human Electronics • Fantasy Factory • Tokyo Electron • †Software Creations • Nichimen Graphics • EA Canada • †Skip Ltd. • Beenox • indieszero • Vicarious Visions • Mojang Studios • 4J Studios • Playtime • Scientific Toys • Million Colors • Nelsonic Industries • S.I.U. • Mani • Natsume • Vanpool • Armor Project • Dynatech Play2O • T's MUSIC Co., Ltd. • Access Games • TNX • Switch Entertainment Inc. • Digital Works Entertainment • WILL Co., Ltd. • Sound Racer Ltd. • Hexadrive • Other Ocean Interactive • SkyBox Labs • SmileBoom Co., Ltd. • Magnum enter Co., Ltd. • Hamster • Xbox Game Studios • Falcon • Iwasaki Engineering • †Gottlieb • Sunwise • †Fabtek • Atlus • Brunswick • Maygay • Brian A. Rice, Inc. • Presage Software • Digitainment • Brainstorm Entertainment • Codesmith, Inc. • MISA • †Ocean Software • Caroline Software Incorporated • C3 Incorporated • POP Multimedia • Skyworks Technologies, Inc. • VPI.net • Lightmaker • Blit Interactive • NHN Entertainment • †Yutaka • Cosmodog • PlayWorks Digital Limited • Forever Entertainment
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| Other companies
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Book publishers
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Guinness World Records • Prima Games • Scholastic • Shogakukan • Valiant Comics • Dark Horse Comics
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| Animation studios
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†DIC Entertainment • Illumination • †Medialab • Nelvana • †Pacific Rim Productions, Inc. • †Sei Young Animation Co., Ltd.
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| Home video distributors
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†Abbey Home Entertainment • Bim Bum Bam Video • Beyond Home Entertainment • Buena Vista Home Video • Disky Communications • Egmont Film • GoodView Home Video • HVN • IDP Home Video • †Kids Klassics • Lionsgate Home Entertainment • Maximum Entertainment • Manga Distribution • MRA Entertainment • NCircle Entertainment • On Air Video • Paramount Home Video • Pickwick Video • Pidax Film • Producciones Panther • Roadshow Entertainment • Sterling Entertainment Group • Shout! Factory • SMI url • Target • The Video Collection • UIG Entertainment GmbH • Universal Pictures • Wendros
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| Collectible / toy makers
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†Banpresto • Bioworld • BlackMilk Clothing • †ERTL • Fangamer • First4Figures • Furuta • Gelato Pique • Hallmark • Jakks Pacific • K'NEX • LEGO • Mattel • PopCo Entertainment • S.H. Figuarts • San-ei Co., Ltd. • Toy Biz
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| Food companies
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Burger King • Freiberger • Keebler • Kellogg's • McDonald's • Nagatanien • †Sunshine Biscuits • Taco Bell • Wendy's
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| Cosmetics companies
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Lush • shu uemura
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| Miscellaneous
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†MediaBrowser
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