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Shinichi Tsurufuji

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 134(Granted Patents)

Location History:

Nara, JP (1989 - 1990)
Yawata, JP (1994)

Company Filing History:

Sanyo Electric Co., Ltd.

Years Active: 1989-1994

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5301227 - Automatic dial telephone (1994-04-05),

2. 4916735 - Power-supply transfer apparatus for telephone (1990-04-10),

3. 4903291 - Automatic on-hook arrangement (1990-02-20),

4. 4864622 - Voice recognizing telephone (1989-09-05),

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