Inventor · disambiguated record
Ken Ishitobi
Also filed as: ISHITOBI KEN
9 granted patents·1 pending application·156 citations·filing 1988–2002
90Inventor score
Files withSHOWA DENKO KK10
Top patents by PatentIndex Score
10 records- 0186US4915710AAbrasive composition and process for polishingSHOWA DENKO KK·Filed 1989·Granted Apr 10, 1990·43 cites·17 claims
- 0274US4929257AAbrasive composition and process for polishingSHOWA DENKO KK·Filed 1989·Granted May 29, 1990·31 cites·15 claims
- 0371US6488729B1Polishing composition and methodSHOWA DENKO KK·Filed 2000·Granted Dec 3, 2002·12 cites·12 claims
- 0468US5935278AAbrasive composition for magnetic recording disc substrateSHOWA DENKO KK·Filed 1997·Granted Aug 10, 1999·21 cites·12 claims
- 0566US6607571B2Polishing composition and methodSHOWA DENKO KK·Filed 2002·Granted Aug 19, 2003·8 cites·10 claims
- 0660US6152976AAbrasive composition for disc substrate, and process for polishing disc substrateSHOWA DENKO KK·Filed 1997·Granted Nov 28, 2000·16 cites·16 claims
- 0751US4883502AAbrasive composition and process for polishingSHOWA DENKO KK·Filed 1988·Granted Nov 28, 1989·8 cites·12 claims
- 0850US5609657AComposition for texturing magnetic diskSHOWA DENKO KK·Filed 1996·Granted Mar 11, 1997·9 cites·6 claims
- 0947US5626640AComposition adapted for use in texturing process for magnetic discSHOWA DENKO KK·Filed 1996·Granted May 6, 1997·8 cites·12 claims
- 1042US2002128327A1Polishing composition and magnetic recording disk substrate polished with the polishing compositionSHOWA DENKO KK·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →