Inventor · disambiguated record
Shigemasa Takano
Also filed as: TAKANO SHIGEMASA
6 granted patents·136 citations·filing 1983–1994
85Inventor score
Top patents by PatentIndex Score
6 records- 0188US4882427ATitanium phthalocyanine optical semiconductor material and electrophotographic plate using sameTOYO INK MFG CO·Filed 1989·Granted Nov 21, 1989·35 cites·15 claims
- 0287US5213929ATitanyl phthaloycyanine crystal, method of manufacture thereof and its use for electrophotographic photosensitive materialNEC CORP·Filed 1990·Granted May 25, 1993·33 cites·7 claims
- 0381US4507374AElectrophotographic recording medium containing τ and η metal-free phthalocyanineHITACHI LTD·Filed 1983·Granted Mar 26, 1985·13 cites·15 claims
- 0468US5525811AOrganic quantum semiconductor and quantum semiconductor deviceNEC CORP·Filed 1994·Granted Jun 11, 1996·35 cites·20 claims
- 0563US5187036AElectrophotographic photosensitive materialNEC CORP·Filed 1991·Granted Feb 16, 1993·15 cites·7 claims
- 0639US5427879Aelectrophotographic photoreceptorsNEC CORP·Filed 1993·Granted Jun 27, 1995·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →