Inventor · disambiguated record
Kachu Ishizuka
Also filed as: ISHIZUKA KACHU
4 granted patents·73 citations·filing 1981–1998
78Inventor score
Top patents by PatentIndex Score
4 records- 0170US4443107AOptical displacement sensorALEXANDER DAVID H·Filed 1981·Granted Apr 17, 1984·24 cites·6 claims
- 0258US5746515ADynamic-pressure gas bearingCOPAL ELECTRONICS·Filed 1997·Granted May 5, 1998·20 cites·18 claims
- 0350US5997180ACircumferential flow type dynamic pressure bearingCOPAL ELECTRONICS·Filed 1998·Granted Dec 7, 1999·15 cites·3 claims
- 0450US4843942AGuitar pickISHIZUKA KACHU·Filed 1988·Granted Jul 4, 1989·14 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →