Inventor · disambiguated record
Yasuo Katsuya
Also filed as: KATSUYA YASUO
6 granted patents·67 citations·filing 1986–2006
83Inventor score
Top patents by PatentIndex Score
6 records- 0188US7718590B2Method to remove resist, etch residue, and copper oxide from substrates having copper and low-k dielectric materialEKC TECHNOLOGY INC·Filed 2006·Granted May 18, 2010·19 cites·11 claims
- 0267US5604063AComposition for charge transport layer and electrophotographic member using sameHITACHI CHEMICAL CO LTD·Filed 1992·Granted Feb 18, 1997·18 cites·8 claims
- 0360US5215842APhotosensitive element for electrophotographyHITACHI LTD·Filed 1991·Granted Jun 1, 1993·13 cites·31 claims
- 0453US4734347AElectrophotographic plate having a protective layer of a fluorine-containing copolymerHITACHI CHEMICAL CO LTD·Filed 1986·Granted Mar 29, 1988·9 cites·8 claims
- 0543US4954406AElectrophotographic plate including an undercoating layer having a smooth surfaceHITACHI CHEMICAL CO LTD·Filed 1988·Granted Sep 4, 1990·6 cites·7 claims
- 0631US5233089AEnamine derivativesHITACHI LTD·Filed 1987·Granted Aug 3, 1993·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →