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Kanagawa, Japan

Ryoji Kawasaki

USPTO Granted Patents = 6

Average Co-Inventor Count = 4.5

ph-index = 5

Forward Citations = 235(Granted Patents)

Location History:

Tokyo, JP (1989 - 1991)
Kanagawa, JP (1987 - 2017)

Company Filing History:

5 out of 35,689

Nec Corporation

5 out of 52,730

Kabushiki Kaisha Toshiba

Nippon Telegraph and Telephone Corporation

4. 2 out of 522

Nippon Telegraph and Telephone Public Corporation

5. 1 out of 11,665

Fuji Xerox Co., Ltd.

where one patent can have more than one assignee

Years Active: 1987-2017

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9829827 - Developer container and image forming apparatus (2017-11-28),

2. 4991198 - Interconnection control method in cordless telephone system (1991-02-05),

3. 4876708 - Cordless telephone system (1989-10-24),

4. 4875231 - Radio telephone system (1989-10-17),

5. 4736461 - Method of transmitting terminating call signals within a restricted (1988-04-05),

6. 4679244 - Method of transmitting terminating call signals within a restricted (1987-07-07),

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