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Kanagawa, Japan

Tsuyoshi Endo

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 78(Granted Patents)

Location History:

Kawasaki, JP (1997 - 1999)
Kanagawa, JP (2014 - 2021)

Company Filing History:

13 out of 28,544

Ricoh Company, Ltd.

Years Active: 1997-2021

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13 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 11209771 - Image forming apparatus (2021-12-28),

2. 11172086 - Drawer mechanism and image forming apparatus (2021-11-09),

3. 10606209 - Housing and image forming apparatus (2020-03-31),

4. 10594880 - Lock lever structure, unit, and image forming apparatus (2020-03-17),

5. 9711125 - Sound absorbing device, electronic device, and image forming apparatus (2017-07-18),

6. 9527321 - Electronic device and image forming apparatus (2016-12-27),

7. 9389574 - Sound absorbing device, electronic device, and image forming apparatus (2016-07-12),

8. 9353553 - Image forming apparatus with locking drawer unit (2016-05-31),

9. 9176462 - Image forming apparatus having a drawer unit with a paper-feeding conveying path therein (2015-11-03),

10. 9163429 - Image forming apparatus having drawer unit (2015-10-20),

11. 8849180 - Image forming apparatus (2014-09-30),

12. 5987227 - Image forming apparatus and method for detecting and eliminating (1999-11-16),

13. 5640467 - Image forming apparatus which monitors hardware errors of a controller (1997-06-17),

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