Inventor · disambiguated record
Kouichi Yasuda
Also filed as: YASUDA KOUICHI
15 granted patents·1 pending application·312 citations·filing 1991–2011
93Inventor score
Top patents by PatentIndex Score
16 records- 0189US5335213APositional detection of a magneto-optic recording medium for controlling irradiation of a relief regionSONY CORP·Filed 1991·Granted Aug 2, 1994·50 cites·14 claims
- 0288US5329512ATemperature detection of a magneto-optic recording medium for controlling irradiation of an erasure regionSONY CORP·Filed 1991·Granted Jul 12, 1994·55 cites·9 claims
- 0382US5353277AOptical disk having intertrack heat conduction suppressionSONY CORP·Filed 1992·Granted Oct 4, 1994·32 cites·2 claims
- 0479US5390162AMethod for reproducing signals recorded on optical recording mediumSONY CORP·Filed 1991·Granted Feb 14, 1995·29 cites·14 claims
- 0577US5145812AMolded articles formed of silicon nitride based ceramic and process for producing sameTOA NENRYO KOGYO KK·Filed 1991·Granted Sep 8, 1992·32 cites·43 claims
- 0676US5326648ASurface-treated steel sheet having improved weldability and plating properties, and method for producing the sameKAWASAKI STEEL CO·Filed 1991·Granted Jul 5, 1994·33 cites·9 claims
- 0775US5474874AOptical recording mediumSONY CORP·Filed 1994·Granted Dec 12, 1995·24 cites·6 claims
- 0874US5304440AOptical diskSONY CORP·Filed 1992·Granted Apr 19, 1994·22 cites·8 claims
- 0970US5432774AOptical recording mediumSONY CORP·Filed 1991·Granted Jul 11, 1995·19 cites·3 claims
- 1061US8241834B2Optical recording medium and production method therefor, and sputtering target and production method thereforYASUDA KOUICHI·Filed 2009·Granted Aug 14, 2012·1 cites·10 claims
- 1157US5450387AOptical pickup apparatus for phase changing optical diskSONY CORP·Filed 1992·Granted Sep 12, 1995·11 cites·8 claims
- 1257US2009073845A1Optical recording mediumSONY CORP·Filed 2008·Application pending·0 cites
- 1342US8565057B2Multilayer optical recording mediumSAKAMOTO TETSUHIRO·Filed 2011·Granted Oct 22, 2013·0 cites·4 claims
- 1442US7464391B2Optical recording mediumSONY CORP·Filed 2004·Granted Dec 9, 2008·0 cites·7 claims
- 1533US5380573AOptical recording mediumSONY CORP·Filed 1991·Granted Jan 10, 1995·4 cites·2 claims
- 1629US5421969ASurface-treated steel sheet having improved weldability and plating properties, and method for producing the sameKAWASAKI STEEL CO·Filed 1994·Granted Jun 6, 1995·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →