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Yokohama, Japan

Kazuhiko Hanawa

USPTO Granted Patents = 4

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 156(Granted Patents)

Company Filing History:

Tokyo Shibaura Electric Co., Ltd.

1 out of 52,730

Kabushiki Kaisha Toshiba

Tokyo Shibaura Denki Kabushiki Kaisha

Years Active: 1980-1993

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5274641 - ATM communication system (1993-12-28),

2. 4330886 - Automatic telephone exchange system for both speech signals and data (1982-05-18),

3. 4297532 - Interfacing circuit status detection arrangement in a telephone exchange (1981-10-27),

4. 4215251 - Switching apparatus selectively utilizing a regenerative repeater (1980-07-29),

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