Inventor · disambiguated record
Sachio Ishioka
Also filed as: ISHIOKA SACHIO
22 granted patents·482 citations·filing 1975–1990
96Inventor score
Top patents by PatentIndex Score
22 records- 0198US4378417AElectrophotographic member with α-Si layersHITACHI LTD·Filed 1981·Granted Mar 29, 1983·96 cites·10 claims
- 0297US4365013AElectrophotographic memberHITACHI LTD·Filed 1981·Granted Dec 21, 1982·90 cites·7 claims
- 0385US4121537AApparatus for vacuum depositionHITACHI LTD·Filed 1977·Granted Oct 24, 1978·35 cites·6 claims
- 0484US4952839APhotoconductive device and method of operating the sameHITACHI LTD·Filed 1989·Granted Aug 28, 1990·28 cites·4 claims
- 0583US4888521APhotoconductive device and method of operating the sameHITACHI LTD·Filed 1987·Granted Dec 19, 1989·26 cites·46 claims
- 0674US4377628AElectrophotographic member with α-Si and HHITACHI LTD·Filed 1981·Granted Mar 22, 1983·24 cites·24 claims
- 0773US5101255AAmorphous photoelectric conversion device with avalancheISHIOKA SACHIO·Filed 1989·Granted Mar 31, 1992·32 cites·20 claims
- 0870US5233265APhotoconductive imaging apparatusHITACHI LTD·Filed 1990·Granted Aug 3, 1993·37 cites·19 claims
- 0970US4900975ATarget of image pickup tube having an amorphous semiconductor laminateHITACHI LTD·Filed 1987·Granted Feb 13, 1990·16 cites·12 claims
- 1070US4556817APhotoelectric conversion apparatusHITACHI LTD·Filed 1983·Granted Dec 3, 1985·13 cites·14 claims
- 1165US4564784AReduced degradation, high resolution image pickup tubeHITACHI LTD·Filed 1983·Granted Jan 14, 1986·11 cites·20 claims
- 1259US3960618AEpitaxial growth process for compound semiconductor crystals in liquid phaseHITACHI LTD·Filed 1975·Granted Jun 1, 1976·17 cites·5 claims
- 1357US4980736AElectric conversion deviceHITACHI LTD·Filed 1988·Granted Dec 25, 1990·15 cites·41 claims
- 1445US4829345AElectronic device having light transmission systemHITACHI LTD·Filed 1986·Granted May 9, 1989·8 cites·8 claims
- 1543US4609846AImage pick-up tube having collector and balance electrodesHITACHI LTD·Filed 1984·Granted Sep 2, 1986·4 cites·19 claims
- 1643US4394749APhotoelectric device and method of producing the sameHITACHI LTD·Filed 1980·Granted Jul 19, 1983·8 cites·8 claims
- 1740US4380557AMethod of production of image pickup deviceHITACHI LTD·Filed 1981·Granted Apr 19, 1983·3 cites·6 claims
- 1838US4554478APhotoelectric conversion elementHITACHI LTD·Filed 1983·Granted Nov 19, 1985·6 cites·9 claims
- 1936US4636682AImage pickup tubeHITACHI LTD·Filed 1983·Granted Jan 13, 1987·2 cites·19 claims
- 2034US4626885APhotosensor having impurity concentration gradientHITACHI LTD·Filed 1983·Granted Dec 2, 1986·4 cites·15 claims
- 2134US4419604ALight sensitive screenHITACHI LTD·Filed 1981·Granted Dec 6, 1983·4 cites·17 claims
- 2233US4884011ALight-detecting deviceHITACHI LTD·Filed 1988·Granted Nov 28, 1989·3 cites·23 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →