IDiyas

For the Inventor, By the Inventor

Utsunomiya, Japan

Kazumasa Yoshikawa

USPTO Granted Patents = 17


Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 52(Granted Patents)


Location History:

  • Utsunomiya, JP (2003 - 2008)
  • Tokyo, JP (2008)
  • Tochigi, JP (2004 - 2010)

Company Filing History:

goldMedal17 out of 90,594 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 58,129 
 
Sony Corporation
 patents
where one patent can have more than one assignee

Years Active: 2003-2010

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17 patents (USPTO):Explore Patents
1. 7808547 - Lens apparatus and image-taking apparatus including drive range limiting function having valid and invalid states (2010-10-05),
2. 7755695 - Camera system and lens apparatus (2010-07-13),
3. 7460166 - Switchover image taking apparatus (2008-12-02),
4. 7456895 - Relay unit (2008-11-25),
5. 7388615 - Lens apparatus allowing changing user settings to standard settings (2008-06-17),
6. 7280148 - Optical control system (2007-10-09),
7. 7265788 - Lens apparatus with changeable image-capturing function setting (2007-09-04),
8. 7158179 - Optical device, optical device driving unit, and camera system (2007-01-02),
9. 7095566 - Drive controller for lens apparatus (2006-08-22),
10. 7079182 - Optical apparatus, optical apparatus driving unit and camera system (2006-07-18),
11. 6717618 - Adapter device for connecting a photographic optical system to a camera (2004-04-06),
12. 6704503 - Optical device, optical device driving unit, information write device, preset information setting system, and camera system (2004-03-09),
13. 6701073 - Optical driving unit, optical apparatus and camera system (2004-03-02),
14. 6633729 - Optical apparatus, optical apparatus driving unit and camera system (2003-10-14),
15. 6605916 - Rotation position control apparatus of rotary element of filter (2003-08-12),
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