Inventor · disambiguated record
Hirotsugu Nishikawa
Also filed as: NISHIKAWA HIROTSUGU
3 granted patents·34 citations·filing 1988–1990
70Inventor score
Technology areasG03G
Files withMITA INDUSTRIAL CO LTD3
Top patents by PatentIndex Score
3 records- 0171US4882253AOrganic laminated photosensitive material of positive charging typeMITA INDUSTRIAL CO LTD·Filed 1988·Granted Nov 21, 1989·18 cites·10 claims
- 0251US5153088AElectrophotosensitive material with x-type metal free phthalocyanine and perylene compoundMITA INDUSTRIAL CO LTD·Filed 1990·Granted Oct 6, 1992·9 cites·26 claims
- 0344US4968579AOrganic laminated photosensitive material of positive charging type and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1990·Granted Nov 6, 1990·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →