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Hitachinaka, Japan

Yasuo Sasaki

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 177(Granted Patents)

Location History:

Katsuta, JP (1983)
Yonago, JP (1998)
Hitachinaka, JP (1997 - 2008)
Ibaraki, JP (2007 - 2010)

Company Filing History:

13 out of 1,267

Hitachi Koki Co., Ltd.

2 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Years Active: 1983-2010

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7815085 - Combustion type driving tool (2010-10-19),

2. 7370559 - Pneumatically operated screw driver (2008-05-13),

3. 7258291 - Destructive device, foam gas collecting device, and foam gas separating and collecting system (2007-08-21),

4. 7165478 - Pneumatically operated screw driver (2007-01-23),

5. 7021251 - Combustion type power tool having avoiding unit for avoiding overheating to mechanical components in the tool (2006-04-04),

6. 7013985 - Pneumatically operated screw driver (2006-03-21),

7. 6672404 - Screw fastening machine (2004-01-06),

8. 6370781 - Reciprocating tool (2002-04-16),

9. 6073521 - Pneumatically operable screw driver (2000-06-13),

10. 6026713 - Pneumatically operated screw driver (2000-02-22),

11. 5789834 - Spindle motor (1998-08-04),

12. 5735183 - Power screwdriver and clutch mechanism used therein (1998-04-07),

13. 5730035 - Pneumatically operated screw driver (1998-03-24),

14. 5673758 - Low-noise impact screwdriver (1997-10-07),

15. 4401167 - Vibratory tool with a vibration proof mechanism for the handle thereof (1983-08-30),

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