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Toyonaka, Japan

Tetsuo Kohno

USPTO Granted Patents = 39

Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 478(Granted Patents)

Location History:

Ioyonaka, JP (1999)
Osaka, JP (2001 - 2002)
Toyonaka, JP (1993 - 2003)
Suita, JP (2002 - 2010)

Company Filing History:

27 out of 2,816

Minolta Company, Ltd.

Konica Minolta Photo Imaging, Inc.

Minolta Camera Kabushiki Kaisha

4. 2 out of 680

Konica Minolta Opto, Inc.

Konica Minolta Camera, Inc.

Years Active: 1993-2010

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39 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7692869 - Image-taking lens unit (2010-04-06),

2. 7443599 - Magnification varying optical system and image taking apparatus (2008-10-28),

3. 7408583 - Taking lens apparatus (2008-08-05),

4. 7388716 - Variable magnification optical system and imaging device (2008-06-17),

5. 7382548 - Variable magnification optical system (2008-06-03),

6. 7375900 - Variable power optical system and image pickup apparatus (2008-05-20),

7. 7369326 - Imaging optical system and image pickup apparatus (2008-05-06),

8. 7239460 - Imaging optical unit and image pickup apparatus (2007-07-03),

9. 6532114 - Zoom lens system (2003-03-11),

10. 6515809 - Fixed focal length lens system (2003-02-04),

11. 6456443 - Zoom lens system (2002-09-24),

12. 6449433 - Taking lens device (2002-09-10),

13. 6404561 - Taking lens apparatus (2002-06-11),

14. 6400515 - Taking optical system, image taking apparatus, and method for converting frame-format in a taking optical system (2002-06-04),

15. 6373638 - Image taking optical system and reduction optical system (2002-04-16),

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