Inventor · disambiguated record
Keiichi Shidara
Also filed as: SHIDARA KEIICHI
26 granted patents·236 citations·filing 1974–1991
96Inventor score
Top patents by PatentIndex Score
26 records- 0184US4952839APhotoconductive device and method of operating the sameHITACHI LTD·Filed 1989·Granted Aug 28, 1990·28 cites·4 claims
- 0283US4888521APhotoconductive device and method of operating the sameHITACHI LTD·Filed 1987·Granted Dec 19, 1989·26 cites·46 claims
- 0373US5101255AAmorphous photoelectric conversion device with avalancheISHIOKA SACHIO·Filed 1989·Granted Mar 31, 1992·32 cites·20 claims
- 0470US5233265APhotoconductive imaging apparatusHITACHI LTD·Filed 1990·Granted Aug 3, 1993·37 cites·19 claims
- 0570US4900975ATarget of image pickup tube having an amorphous semiconductor laminateHITACHI LTD·Filed 1987·Granted Feb 13, 1990·16 cites·12 claims
- 0668US4007473ATarget structures for use in photoconductive image pickup tubes and method of manufacturing the sameHITACHI LTD·Filed 1975·Granted Feb 8, 1977·11 cites·17 claims
- 0763US4040985APhotoconductive filmsHITACHI LTD·Filed 1976·Granted Aug 9, 1977·16 cites·3 claims
- 0857US4980736AElectric conversion deviceHITACHI LTD·Filed 1988·Granted Dec 25, 1990·15 cites·41 claims
- 0950US4307319ASemiconductor layer of oxygen depletion type cerium oxide or lead oxideHITACHI LTD·Filed 1978·Granted Dec 22, 1981·5 cites·5 claims
- 1048US3984722APhotoconductive target of an image pickup tube and method for manufacturing the sameHITACHI LTD·Filed 1974·Granted Oct 5, 1976·7 cites·27 claims
- 1144US5021705AMethod of fabricating an image pick-up tube and target section used therewithHITACHI LTD·Filed 1989·Granted Jun 4, 1991·5 cites·23 claims
- 1243US4007395ATarget structure for use in photoconductive image pickup tubesHITACHI LTD·Filed 1975·Granted Feb 8, 1977·4 cites·14 claims
- 1340US4563611AImage pick-up tube targetHITACHI LTD·Filed 1983·Granted Jan 7, 1986·3 cites·4 claims
- 1439US4463279ADoped photoconductive film comprising selenium and telluriumHITACHI LTD·Filed 1982·Granted Jul 31, 1984·7 cites·15 claims
- 1538US4330733APhotoconductive targetJAPAN BROADCASTING CORP·Filed 1980·Granted May 18, 1982·7 cites·5 claims
- 1637US4866332ATarget of image pickup tubeHITACHI LTD·Filed 1987·Granted Sep 12, 1989·3 cites·22 claims
- 1733US4884011ALight-detecting deviceHITACHI LTD·Filed 1988·Granted Nov 28, 1989·3 cites·23 claims
- 1833US4717854AImage pick-up tube targetHITACHI LTD·Filed 1986·Granted Jan 5, 1988·2 cites·4 claims
- 1933US4219831ATargets for use in photoconductive image pickup tubesHITACHI LTD·Filed 1977·Granted Aug 26, 1980·1 cites·4 claims
- 2032US4445131APhotoconductive image pick-up tube targetHITACHI LTD·Filed 1981·Granted Apr 24, 1984·3 cites·2 claims
- 2131US4860093AMethod and apparatus for driving a plurality of pick-up tubes having their cathodes supplied by a common negative potentialHITACHI LTD·Filed 1988·Granted Aug 22, 1989·1 cites·18 claims
- 2230US5070272APhotoconductive device and method of operating sameHITACHI LTD·Filed 1990·Granted Dec 3, 1991·2 cites·17 claims
- 2330US4883562AMethod of making a photosensorHITACHI LTD·Filed 1989·Granted Nov 28, 1989·2 cites·12 claims
- 2430US4277515ATargets for use in photoconductive image pickup tubesHITACHI LTD·Filed 1979·Granted Jul 7, 1981·0 cites·8 claims
- 2529US5384597AImage pickup tube utilizing third electrode and its operating methodHITACHI LTD·Filed 1991·Granted Jan 24, 1995·0 cites·20 claims
- 2629US4617248ADoped photoconductive film including selenium and telluriumJAPAN BROADCASTING CORP·Filed 1985·Granted Oct 14, 1986·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →