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Masayosi Watanuki

USPTO Granted Patents = 3

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 30(Granted Patents)

Location History:

Tokyo, JA (1978)
Tokyo, JP (1980)
Yokohama, JP (1989)

Company Filing History:

3 out of 28,559

Ricoh Company, Ltd.

Years Active: 1978-1989

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4872037 - Image forming apparatus and control system therefor (1989-10-03),

2. 4200388 - Toner density sensor for electrostatic copying machine (1980-04-29),

3. 4089602 - Automatic shutdown system for electrophotographic apparatus (1978-05-16),

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