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Yasuhiko Saka

USPTO Granted Patents = 6

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 131(Granted Patents)

Location History:

Yamato, JP (1989)
Tokyo, JP (2003)
Nagoya, JP (2003 - 2006)
Kanagawa, JP (2009)

Company Filing History:

6 out of 28,577

Ricoh Company, Ltd.

Years Active: 1989-2009

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7539599 - Abnormality diagnosing method, condition appraisal apparatus, image forming apparatus, management apparatus and management system (2009-05-26),

2. 7113174 - Coordinate inputting/detecting apparatus and method designed to avoid a trailing phenomenon (2006-09-26),

3. 6570103 - Method and apparatus for coordinate inputting capable of effectively using a laser ray (2003-05-27),

4. 6518959 - Device for detecting and inputting a specified position (2003-02-11),

5. 4851924 - Color recorder overhead projector with color recorder (1989-07-25),

6. 4839731 - Color overhead projector (1989-06-13),

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