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Shizuoka, Japan

Tomoe Hagiwara

USPTO Granted Patents = 6

Average Co-Inventor Count = 4.2

ph-index = 6

Forward Citations = 80(Granted Patents)

Location History:

Shizuoka, JP (1992 - 1995)
Fuji, JP (1994 - 1996)

Company Filing History:

6 out of 28,566

Ricoh Company, Ltd.

Years Active: 1992-1996

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5519316 - Method and apparatus for measuring a toner concentration of a (1996-05-21),

2. 5482807 - Positively-chargeable toner (1996-01-09),

3. 5474869 - Toner and method of developing (1995-12-12),

4. 5370959 - Image formation method (1994-12-06),

5. 5244765 - Toner for developing latent electrostatic images (1993-09-14),

6. 5164774 - Developing device of the type forming thin layer of toner on toner (1992-11-17),

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