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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:

Fuji Photo Optical Co., Ltd.

3 out of 16,155

Fujifilm Corporation

Fujinon Corporation

Years Active: 1976-2013

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9 patents (USPTO):Sort by Forward CitationsExplore 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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