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Tadao Koike

This inventor holds 14 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1980-1996.

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 9

Forward Citations = 183(Granted Patents)

Location History:

Suginami, JP (1995)
Tokyo, JP (1980 - 1996)

Company Filing History:

14 out of 28,915

Ricoh Company, Ltd.

Years Active: 1980-1996

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5570165 - Method of controlling toner density detection (1996-10-29),

2. 5446524 - Image forming device with a function of selecting recording paper (1995-08-29),

3. 5289147 - Image forming apparatus having system for reducing noise (1994-02-22),

4. 5245385 - Image forming apparatus which reduces noise generated therefrom (1993-09-14),

5. 5086320 - Paper conveying mechanism in image forming apparatus (1992-02-04),

6. 5014091 - Paper jogging and aligning apparatus with stapling capabilities for a (1991-05-07),

7. 4979727 - Automatic document feeder provided with three movable claws for (1990-12-25),

8. 4975749 - Automatic document feeder (1990-12-04),

9. 4954849 - Copying apparatus operable in a two-side copy mode (1990-09-04),

10. 4650313 - Duplex copying method (1987-03-17),

11. 4615607 - Dual-color copier (1986-10-07),

12. 4285510 - Sheet feeding cassette for copying apparatus capable of receiving (1981-08-25),

13. 4279501 - Cleaning device for photoelectrostatic copying apparatus (1981-07-21),

14. 4232963 - Device for positioning movable reflector of optical system of (1980-11-11),

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