Inventor · disambiguated record
Nobuhiro Hirayama
Also filed as: HIRAYAMA NOBUHIRO
13 granted patents·101 citations·filing 1987–1996
91Inventor score
Top patents by PatentIndex Score
13 records- 0177US5084368AElectrophotographic tonerMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jan 28, 1992·17 cites·10 claims
- 0259US5658999ASyndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the waxMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 19, 1997·13 cites·14 claims
- 0356US5241019ABinder for dry tonerMITSUI TOATSU CHEMICALS·Filed 1991·Granted Aug 31, 1993·13 cites·4 claims
- 0451US5230978AElectrophotographic toner compositionMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jul 27, 1993·9 cites·10 claims
- 0550US5677409ASyndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the waxMITSUI TOATSU CHEMICALS·Filed 1995·Granted Oct 14, 1997·8 cites·4 claims
- 0650US5468585AResin composition for use in an electrophotographic tonerMITSUI TOATSU CHEMICALS·Filed 1994·Granted Nov 21, 1995·9 cites·7 claims
- 0748US4963456AElectrophotographic tonerMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 16, 1990·7 cites·16 claims
- 0843US5389483AElectrophotographic toner having two ethylene polymersMITSUI TOATSU CHEMICALS·Filed 1993·Granted Feb 14, 1995·6 cites·12 claims
- 0940US5266434AElectrophotographic toner compositionMITSUI TOATSU CHEMICALS·Filed 1990·Granted Nov 30, 1993·8 cites·16 claims
- 1033US5573881AToner composition for electrophotographyMITSUI TOATSU CHEMICALS·Filed 1995·Granted Nov 12, 1996·4 cites·13 claims
- 1132US5362595AElectrophotographic toner production processMITSUI TOATSU CHEMICALS·Filed 1992·Granted Nov 8, 1994·2 cites·5 claims
- 1229US6011119AResin composition for electrophotographic toner, and tonerMITSUI CHEMICALS INC·Filed 1996·Granted Jan 4, 2000·3 cites·3 claims
- 1329US5502110AResin composition for electrophotographic tonerMITSUI TOATSU CHEMICALS·Filed 1993·Granted Mar 26, 1996·2 cites·9 claims
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