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Hamamatsu, Japan

Shigeo Okumura

USPTO Granted Patents = 7

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 65(Granted Patents)

Location History:

Iwata, JP (1985)
Hamamatsu, JP (1986 - 1994)

Company Filing History:

Sanshin Kogyo Kabushiki Kaisha

Yamaha Hatsudoki Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1985-1994

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5330376 - Water cooling system for a marine propulsion unit (1994-07-19),

2. 5012648 - Exhaust system for two-stroke engine (1991-05-07),

3. 4805442 - Knocking sensor for internal combustion engine (1989-02-21),

4. 4790279 - Ignition control system for an internal combustion engine (1988-12-13),

5. 4787344 - Two-stroke multi-cylinder engine (1988-11-29),

6. 4606315 - Ignition control system for an internal combustion engine (1986-08-19),

7. 4492198 - Advancing mechanism for internal combustion engines (1985-01-08),

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