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Hirobumi Ouchi

USPTO Granted Patents = 8

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 126(Granted Patents)

Location History:

Kokubunji, JP (1982)
Hino, JP (1983 - 1993)
Hitachi, JP (1980 - 2000)

Company Filing History:

7 out of 42,496

Hitachi Cable, Inc.

1 out of 25,550

Sharp Kabushiki Kaisha Corporation

where one patent can have more than one assignee

Years Active: 1980-2000

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6021239 - Photocoupler and method for producing the same (2000-02-01),

2. 5245491 - Magneto-optical head employing optical fiber connected stationary and (1993-09-14),

3. 4816890 - Optoelectronic device (1989-03-28),

4. 4740819 - Photo semiconductor device (1988-04-26),

5. 4563764 - Semiconductor laser device (1986-01-07),

6. 4367483 - Optical semiconductor device (1983-01-04),

7. 4346395 - Light detecting photodiode-MIS transistor device (1982-08-24),

8. 4242695 - Low dark current photo-semiconductor device (1980-12-30),

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