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Yamamoto Kazuyuki

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Featured researches published by Yamamoto Kazuyuki.

Archive | 1980

MAIN DEVICE OF PUSH BUTTON TELEPHONE

Kubo Teruyuki; Terai Masaaki; Yamamoto Kazuyuki

Archive | 1981

CONNECTION SYSTEM BETWEEN MAIN UNITS IN KEY TELEPHONE SET

Sekiguchi Kouichi; Uchida Seiya; Yamamoto Kazuyuki; Kubo Teruyuki

Archive | 1980

Rewriting device for subscriber service data

Yamamoto Kazuyuki; Kubo Teruyuki; Kawamura Masataka; Ashikaga Kouichi

Archive | 1982

SWITCHBOARD DEVICE USING PLURAL MASK SHEETS

Kawamura Masataka; Ashikaga Kouichi; Yamamoto Kazuyuki; Kubo Teruyuki

Archive | 1982

POWER OFF CIRCUIT OF TELEPHONE EXCHANGE

Sekiguchi Kouichi; Naganami Hideaki; Yamamoto Kazuyuki; Kubo Teruyuki

Archive | 1982

CHANGEOVER TALKING CIRCUIT DURING SERVICE INTERRUPTION

Sekiguchi Kouichi; Naganami Hideaki; Kawashima Isao; Yamamoto Kazuyuki; Kubo Teruyuki

Archive | 1981

CONTROL SYSTEM FOR CONNECTION BETWEEN TELEPHONE SET

Sekiguchi Kouichi; Uchida Seiya; Yamamoto Kazuyuki; Kubo Teruyuki

Archive | 1981

Access mode of telephone equipment

Sekiguchi Kouichi; Naganami Hideaki; Yamamoto Kazuyuki; Kubo Teruyuki; Ooshima Setsuo; Matsuda Satoru

Archive | 1981

TERMINAL ADAPTOR SYSTEM

Yamamoto Kazuyuki; Yamazaki Yuuichi; Ishii Kenichi; Kubo Teruyuki

Archive | 1982

BUTTON TELEPHONE SET

Mito Michio; Ishii Shinji; Yamamoto Kazuyuki; Kubo Teruyuki; Sekiguchi Kouichi; Uchida Seiya

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