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Tetsuo Masuyama

USPTO Granted Patents = 5

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 43(Granted Patents)

Location History:

Hatogaya, JP (1992)
Shimotsuga-gun, JP (1999)
Tochigi-ken, JP (2001)
Saitama, JP (2005)

Company Filing History:

Nippon Piston Ring Co., Ltd.

Years Active: 1992-2005

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6860485 - Piston ring (2005-03-01),

2. 6261389 - Synchronizer ring (2001-07-17),

3. 5900559 - Synchronizer ring (1999-05-04),

4. 5861565 - Synchronizer ring (1999-01-19),

5. 5092361 - Inline type check valve (1992-03-03),

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