Inventor · disambiguated record
Kengo Kainuma
Also filed as: KAINUMA KENGO
5 granted patents·1 pending application·36 citations·filing 1996–2005
77Inventor score
Top patents by PatentIndex Score
6 records- 0176US6997019B2Molding process of disk with shaft shaped portionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 14, 2006·8 cites·6 claims
- 0272US7622205B2Disk substrate for a perpendicular magnetic recording medium and a perpendicular magnetic recording medium using the substrateFUJI ELEC DEVICE TECH CO LTD·Filed 2005·Granted Nov 24, 2009·2 cites·6 claims
- 0372US7313930B2Method and apparatus for manufacturing glass substrate for storage mediumFUJI ELEC DEVICE TECH CO LTD·Filed 2003·Granted Jan 1, 2008·7 cites·5 claims
- 0457US7428828B2Press die of disk with shaft shaped portionFUJI ELEC DEVICE TECH CO LTD·Filed 2005·Granted Sep 30, 2008·0 cites·9 claims
- 0553US5889813ALevitation melting furnaceFUJI ELECTRIC CO LTD·Filed 1996·Granted Mar 30, 1999·19 cites·10 claims
- 0639US2005153481A1Method of pretreating a nonmagnetic substrate and a magnetic recording medium formed therebyFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →