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For the Inventor, By the Inventor

Toyonaka, Japan

Tetsuo Kohno

This inventor holds 39 USPTO granted patents, primarily in Optical Systems. Top assignees: Minolta Company, Ltd., Konica Minolta Photo Imaging, Inc., Minolta Camera Kabushiki Kaisha. Active years: 1993-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Kohno. Retrieved from https://idiyas.com/inventor/tetsuo-kohno

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 39

% Patents Active = 89.7

Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 484(Granted Patents)


Location History:

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

Company Filing History:

goldMedal27 out of 2,816 
 
Minolta Company, Ltd.
 patents
silverMedal5 out of 81 
 
Konica Minolta Photo Imaging, Inc.
 patents
bronzeMedal4 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
4. 2 out of 680 
 
Konica Minolta Opto, Inc.
 patents
5. 1 out of 2 
 
Konica Minolta Camera, Inc.
 patents

Years Active: 1993-2010

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Areas of Expertise:
Zoom Lens System
Variable Magnification
Image Pickup Apparatus
Optical System Design
Imaging Optical Unit
Fixed Focal Length
Image Taking Lens
Optical Element
Lens Holding Structure
Compact Zoom Lens
Magnification Varying
Image Taking Optical
39 patents (USPTO):Explore 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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Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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