IDiyas

For the Inventor, By the Inventor

Saitama, Japan

Kenzo Sado

USPTO Granted Patents = 9

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Omiya, JA (1976)
  • Omiya, JP (1981 - 1985)
  • Yuki, JP (2002)
  • Saitama, JP (1994 - 2013)

Company Filing History:

goldMedal5 out of 1,279 
 
Fuji Photo Optical Co., Ltd.
 patents
silverMedal3 out of 16,059 
 
Fujifilm Corporation
 patents
bronzeMedal1 out of 695 
 
Fujinon Corporation
 patents

Years Active: 1976-2013

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9 patents (USPTO):Explore Patents
1. 8503098 - Zoom lens for projection and projection-type display apparatus (2013-08-06),
2. 8228613 - Wide-angle projection zoom lens and projection type display apparatus (2012-07-24),
3. 8213091 - Wide-angle projection zoom lens and projection display device (2012-07-03),
4. 7885009 - Small projection lens and projection display device using the same (2011-02-08),
5. 6457829 - Projection device comprising a correction lens arranged between a prism optical system and at least one of three optical modulation elements (2002-10-01),
6. 5367405 - Projecting lens (1994-11-22),
7. 4560254 - Zoom lens system (1985-12-24),
8. 4245891 - Zoom lens system with a movable distortion-correcting element (1981-01-20),
9. 3961845 - Zoom lens system (1976-06-08),
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