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Kawasaki, Japan

Masamitsu Ozawa

This inventor holds 7 USPTO granted patents. Top assignee: Nikon Corporation. Active years: 1997-2010.

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 38(Granted Patents)

Location History:

Kanagawa-ken, JP (1997)
Kawasaki, JP (1997 - 2004)
Yokohama, JP (2010)

Company Filing History:

Nikon Corporation

Years Active: 1997-2010

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7701502 - Image sensor, focal point detection device and camera (2010-04-20),

2. 6766112 - Focal point detection apparatus and focal point detection module (2004-07-20),

3. 6643460 - Camera and focal point detection apparatus (2003-11-04),

4. 6239912 - Focal point detection apparatus (2001-05-29),

5. 5628036 - Focus adjustment device and method (1997-05-06),

6. 5625849 - Focus state detection device and method (1997-04-29),

7. 5604561 - Focus state detection device (1997-02-18),

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