Inventor · disambiguated record
Toshiaki Hirai
Also filed as: HIRAI TOSHIAKI
10 granted patents·68 citations·filing 1989–1997
88Inventor score
Top patents by PatentIndex Score
10 records- 0171US5032859AShutter with lens drive mechanismSEIKOSHA KK·Filed 1989·Granted Jul 16, 1991·12 cites·20 claims
- 0266US5198849ARemote controller for a cameraSEIKOSHA KK·Filed 1991·Granted Mar 30, 1993·12 cites·9 claims
- 0366US4985724AAutomatic focus/exposure operation apparatus for cameraSEIKOSHA KK·Filed 1989·Granted Jan 15, 1991·10 cites·14 claims
- 0450US5420660AMotor driven shutter activated by single motor having controllable clockwise and counterclockwise rotationsSEIKOSHA KK·Filed 1993·Granted May 30, 1995·5 cites·9 claims
- 0549US5997188APlane shutterSEIKO PRECISION KK·Filed 1997·Granted Dec 7, 1999·4 cites·3 claims
- 0643US5719663ARange finder apparatusSEIKO PRECISION KK·Filed 1995·Granted Feb 17, 1998·14 cites·19 claims
- 0742US5559569AMotor driven shutter having focus adjusting and stop setting meansSEIKOSHA KK·Filed 1994·Granted Sep 24, 1996·3 cites·3 claims
- 0839US5608488AData processing device for a cameraSEIKO PRECISION KK·Filed 1994·Granted Mar 4, 1997·8 cites·7 claims
- 0929US5826124AFocal plane shutterSEIKO PRECISION KK·Filed 1997·Granted Oct 20, 1998·0 cites·13 claims
- 1029US4937603AMultiple exposure photographic device for cameraSEIKOSHA KK·Filed 1989·Granted Jun 26, 1990·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →