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For the Inventor, By the Inventor

Okazaki, Japan

Eiji Shirai

USPTO Granted Patents = 8

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 149(Granted Patents)


Location History:

  • Okazaki, JP (1987 - 1992)
  • Aichi, JP (1994)
  • Nukata, JP (1994 - 1996)

Company Filing History:

goldMedal8 out of 5,207 
 
Aisin Seiki Kabushiki Kaisha
 patents

Years Active: 1987-1996

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8 patents (USPTO):Explore Patents
1. 5488934 - Valve gear device (1996-02-06),
2. 5361734 - Valve control device for an engine (1994-11-08),
3. 5343833 - Valve gear device for internal combustion engines (1994-09-06),
4. 5104359 - Tensioner with reduced rattling (1992-04-14),
5. 4925436 - Tensioner (1990-05-15),
6. 4858572 - Device for adjusting an angular phase difference between two elements (1989-08-22),
7. 4790796 - Free piston type auto-tensioner (1988-12-13),
8. 4662325 - Self-contained hydraulic valve lifter (1987-05-05),
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