Inventor · disambiguated record
Hitoshi Hirobe
Also filed as: HIROBE HITOSHI
8 granted patents·185 citations·filing 1981–1987
88Inventor score
Top patents by PatentIndex Score
8 records- 0192US4445757AZooming deviceASAHI OPTICAL CO LTD·Filed 1982·Granted May 1, 1984·81 cites·4 claims
- 0278US4821127ADemagnetizing apparatus for erasing signals recorded on concentric tracksFUJI PHOTO FILM CO LTD·Filed 1986·Granted Apr 11, 1989·24 cites·4 claims
- 0374US4558367AAutomatic focusing device for video cameraASAHI OPTICAL CO LTD·Filed 1982·Granted Dec 10, 1985·22 cites·6 claims
- 0460US4465352AAutomatic focusing deviceASAHI OPTICAL CO LTD·Filed 1982·Granted Aug 14, 1984·16 cites·10 claims
- 0556US4783703ATelevision flicker preventing circuit with gamma value conversion prior to field-to-frame conversionFUJI PHOTO FILM CO LTD·Filed 1986·Granted Nov 8, 1988·14 cites·9 claims
- 0655US4535364ASpot exposure adjustment circuitASAHI OPTICAL CO LTD·Filed 1981·Granted Aug 13, 1985·12 cites·2 claims
- 0754US4792866AStill picture recording apparatusFUJI PHOTO FILM CO LTD·Filed 1987·Granted Dec 20, 1988·13 cites·6 claims
- 0833US4719511AExposure controlling method for television cameraASAHI OPTICAL CO LTD·Filed 1986·Granted Jan 12, 1988·3 cites·3 claims
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