Busicom

Busicom Co., Ltd. (ビジコン株式会社, Bijikon Kabushiki-gaisha) was a Japanese company that manufactured and sold computer-related products headquartered in Taito, Tokyo.[3] Two other companies have done business as "Busicom" over the years: the Nippon Calculating Machine Corp, Ltd and subsequently Broughtons & Co. (Bristol) Ltd of the UK.[8] Busicom's management agreed to Hoff's new approach[9] and the chips' implementation was led by Federico Faggin who had previously developed the Silicon Gate Technology at Fairchild Semiconductor.[3] A few months later, on November 15, 1971, Intel announced the immediate availability of the first microprocessor chipset family, the MCS-4 micro computer set (all from the Busicom design) with an advertisement in Electronic News.Broughtons of Bristol was a company selling and maintaining a broad line of business machines up until they ceased operations in 2016.
On the left, the NEC TK-80 kit, based on Intel 8080 chip; on the centre, Busicom calculator motherboard, based on Intel 4004 chip; and on the right, the Busicom calculator, fully assembled in Ueno , Tokyo
The Unicom 141P and the NCR 18-36 were OEM versions of the Busicom 141-PF .
RomanizedPublicElectronicsTaitōCalculatorsTaito, TokyomicroprocessorIntel 4004integrated circuitselectronic calculatorsOdhner typemechanical calculatorsshift registersrandom-access memoryTadashi SasakiRobert NoyceTed HoffSchottkybipolarFederico FagginchipsetBristolAugarten, S.Ticknor & FieldsStine, G. H.Arbor HouseReid, T. R.Simon and SchusterFaggin, FedericoHoff, Marcian E.Mazor, StanleyShima, MasatoshiIEEE Spectrum