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Higashikurume, Japan

Masami Itoh

USPTO Granted Patents = 5

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 69(Granted Patents)

Location History:

Tokyo, JP (1991)
Higashi-Kurume, JP (1993 - 1996)

Company Filing History:

5 out of 28,559

Ricoh Company, Ltd.

Years Active: 1991-1996

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5513042 - Lens system with master lens system and conversion lens (1996-04-30),

2. 5448400 - Zoom finder of real image type and real image type zoom finder capable (1995-09-05),

3. 5270865 - Compact zoom lens (1993-12-14),

4. 5182673 - Zoom lens having high variable magnification (1993-01-26),

5. 5059006 - Compact zoom lens (1991-10-22),

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