Inventor · disambiguated record
Hirokazu Matsubara
Also filed as: MATSUBARA HIROKAZU
11 granted patents·353 citations·filing 1981–1990
92Inventor score
Files withHITACHI LTD11
Top patents by PatentIndex Score
11 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
- 0386US4433202AThin film solar cellHITACHI LTD·Filed 1982·Granted Feb 21, 1984·46 cites·12 claims
- 0474US4377628AElectrophotographic member with α-Si and HHITACHI LTD·Filed 1981·Granted Mar 22, 1983·24 cites·24 claims
- 0570US5233265APhotoconductive imaging apparatusHITACHI LTD·Filed 1990·Granted Aug 3, 1993·37 cites·19 claims
- 0670US4900975ATarget of image pickup tube having an amorphous semiconductor laminateHITACHI LTD·Filed 1987·Granted Feb 13, 1990·16 cites·12 claims
- 0768US4672015AElectrophotographic member having multilayered amorphous silicon photosensitive memberHITACHI LTD·Filed 1984·Granted Jun 9, 1987·14 cites·21 claims
- 0857US4980736AElectric conversion deviceHITACHI LTD·Filed 1988·Granted Dec 25, 1990·15 cites·41 claims
- 0945US4829345AElectronic device having light transmission systemHITACHI LTD·Filed 1986·Granted May 9, 1989·8 cites·8 claims
- 1043US4405879APhotoelectric conversion device and method of producing the sameHITACHI LTD·Filed 1981·Granted Sep 20, 1983·4 cites·12 claims
- 1140US4380557AMethod of production of image pickup deviceHITACHI LTD·Filed 1981·Granted Apr 19, 1983·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →