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Takashi Yamaguchi

USPTO Granted Patents = 13

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 39(Granted Patents)

Company Filing History:

12 out of 19,748

Denso Corporation

Nippondenso Co., Ltd.

Nippon Soken, Inc.

where one patent can have more than one assignee

Years Active: 1991-2017

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9759101 - Valve timing control apparatus (2017-09-12),

2. 9085997 - Valve timing control apparatus (2015-07-21),

3. 8844485 - Valve timing controller (2014-09-30),

4. 8776745 - Variable valve timing apparatus (2014-07-15),

5. 8631773 - Valve timing adjuster (2014-01-21),

6. 8607752 - Valve timing control apparatus (2013-12-17),

7. 8286601 - Variable valve timing apparatus (2012-10-16),

8. 8201529 - Valve timing adjusting apparatus (2012-06-19),

9. 8166937 - Valve timing control apparatus (2012-05-01),

10. 7328773 - Oil passage switching valve having oil filter (2008-02-12),

11. 7131410 - Solenoid spool valve (2006-11-07),

12. 6968813 - Electromagnetic spool valve (2005-11-29),

13. 5033443 - Pilot injection device for fuel injection pump (1991-07-23),

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