Inventor · disambiguated record
Osamu Kumasaka
Also filed as: KUMASAKA OSAMU
11 granted patents·3 pending applications·170 citations·filing 1983–2007
91Inventor score
Top patents by PatentIndex Score
14 records- 0191US4894260AElectroless plating method and apparatusPIONEER ELECTRONIC CORP·Filed 1988·Granted Jan 16, 1990·52 cites·5 claims
- 0285US7336585B2Information recording apparatus and method for recording information and information recording mediumPIONEER CORP·Filed 2007·Granted Feb 26, 2008·8 cites·6 claims
- 0382US6650611B1Master disc manufacturing apparatusPIONEER CORP·Filed 2001·Granted Nov 18, 2003·21 cites·7 claims
- 0480US7663124B2Beam recording method and devicePIONEER CORP·Filed 2005·Granted Feb 16, 2010·8 cites·21 claims
- 0575US4983815AMethod of identifying stamper for optical information storage diskPIONEER ELECTRONIC CORP·Filed 1989·Granted Jan 8, 1991·20 cites·2 claims
- 0672US7203144B2Information recording apparatus and method for recording information patterns with a deflecting beam irradiated to a recording mediumPIONEER CORP·Filed 2002·Granted Apr 10, 2007·9 cites·13 claims
- 0764US6686597B2Substrate rotating device, and manufacturing method and apparatus of recording medium masterPIONEER CORP·Filed 2001·Granted Feb 3, 2004·10 cites·36 claims
- 0864US5015338AMethod of manufacturing a stamper for formation of optical information carrying diskPIONEER ELECTRONIC CORP·Filed 1989·Granted May 14, 1991·16 cites·5 claims
- 0962US4732844AMethod for manufacturing optical disk with address and guide groovesPIONEER ELECTRONIC CORP·Filed 1985·Granted Mar 22, 1988·13 cites·5 claims
- 1050US4554655AOptical data recording disc and systemPIONEER VIDEO CORP·Filed 1983·Granted Nov 19, 1985·13 cites·10 claims
- 1149US7486011B2Thread-type electron emission elementPIONEER CORP·Filed 2005·Granted Feb 3, 2009·0 cites·13 claims
- 1243US2005163021A1Recording medium using ferroelectric substance, recording apparatus and reproducing apparatusPIONEER CORP·Filed 2005·Application pending·0 cites
- 1341US2007265158A1Method of Selectively Applying Carbon Nanotube CatalystPIONEER CORP·Filed 2005·Application pending·0 cites
- 1434US2007182942A1Exposure deviceKASONO OSAMU·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →