Inventor · disambiguated record
Yasuo Sawada
Also filed as: SAWADA YASUO
13 granted patents·2 pending applications·370 citations·filing 1979–2005
93Inventor score
Top patents by PatentIndex Score
15 records- 0195US6137769AOptical recording medium and method of information recording/reading an optical recording mediumRICOH KK·Filed 1999·Granted Oct 24, 2000·98 cites·3 claims
- 0294US6469963B1Optical recording medium and method of information recording/reading an optical recording mediumRICOH KK·Filed 2000·Granted Oct 22, 2002·50 cites·1 claims
- 0390US5316814AOptical information recording mediumRICOH KK·Filed 1992·Granted May 31, 1994·54 cites·10 claims
- 0481US5384167AMethod for the surface treatment of a metal by atmospheric pressure plasmaEC CHEM IND CO·Filed 1993·Granted Jan 24, 1995·57 cites·7 claims
- 0576US4266141AToner developing ability measuring system for electrostatographyRICOH KK·Filed 1979·Granted May 5, 1981·17 cites·19 claims
- 0675US4839226AMagneto-optical recording mediumRICOH KK·Filed 1987·Granted Jun 13, 1989·22 cites·21 claims
- 0773US7106680B2Device and method for recording data to optical disk using multi-pulse to enhance power pulseRICOH KK·Filed 2003·Granted Sep 12, 2006·8 cites·31 claims
- 0872US4690861AMagneto optical recording mediumRICOH KK·Filed 1986·Granted Sep 1, 1987·27 cites·37 claims
- 0971US4389972AToner concentration control apparatusRICOH KK·Filed 1980·Granted Jun 28, 1983·17 cites·4 claims
- 1071US4369733AToner concentration control apparatusRICOH KK·Filed 1980·Granted Jan 25, 1983·17 cites·9 claims
- 1157US6982110B2Information recording medium and manufacturing method thereofRICOH KK·Filed 2002·Granted Jan 3, 2006·3 cites·13 claims
- 1252US7187642B2Optical information recording medium with ROM area having pre-pitsRICOH KK·Filed 2005·Granted Mar 6, 2007·0 cites·16 claims
- 1341US2004114488A1Information recording apparatus and information recording methodFiled 2003·Application pending·0 cites
- 1440US7236448B2Optical information recording medium and information recording method using the recording mediumRICOH KK·Filed 2002·Granted Jun 26, 2007·0 cites·16 claims
- 1536US2003090989A1Optical information recording mediumFiled 2001·Application pending·0 cites
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