Inventor · disambiguated record
Ken Yoshizawa
Also filed as: YOSHIZAWA KEN
7 granted patents·98 citations·filing 1986–2004
86Inventor score
Top patents by PatentIndex Score
7 records- 0185US4710913AOptical recording discHITACHI MAXELL·Filed 1986·Granted Dec 1, 1987·36 cites·10 claims
- 0265US4911968AOptical discHITACHI MAXELL·Filed 1987·Granted Mar 27, 1990·16 cites·22 claims
- 0364US7361219B2Method for producing silicon wafer and silicon waferSHINETSU HANDOTAI KK·Filed 2004·Granted Apr 22, 2008·6 cites·2 claims
- 0460US5273598AOptical disc manufacturing methodHITACHI MAXELL·Filed 1992·Granted Dec 28, 1993·14 cites·16 claims
- 0551US5993948AMagnetic recording mediumKAO CORP·Filed 1998·Granted Nov 30, 1999·15 cites·5 claims
- 0639US5792258AHigh-frequency induction heater and method of producing semiconductor single crystal using the sameSHINETSU HANDOTAI KK·Filed 1996·Granted Aug 11, 1998·7 cites·17 claims
- 0734US5776590AMagnetic recording mediumKAO CORP·Filed 1996·Granted Jul 7, 1998·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →