Inventor · disambiguated record
Kazuhisa Kajihara
Also filed as: KAJIHARA KAZUHISA
13 granted patents·2 pending applications·162 citations·filing 1994–2007
91Inventor score
Top patents by PatentIndex Score
15 records- 0192US6440552B1Boehmite and base coat layer for magnetic recording mediumSUMITOMO CHEMICAL CO·Filed 2000·Granted Aug 27, 2002·38 cites·7 claims
- 0276USRE36804EBearing sealing device and bearing sealing mechanism capable of preventing the leakage of greaseKOYO SEIKO CO·Filed 1998·Granted Aug 1, 2000·29 cites·5 claims
- 0368US6010248APressed retainer and a ball bearing comprising the pressed retainerKOYO SEIKO CO·Filed 1998·Granted Jan 4, 2000·23 cites·4 claims
- 0467US5544963ABearing seal assembly with specially dimensioned sealing lipKOYO SEIKO CO·Filed 1994·Granted Aug 13, 1996·24 cites·7 claims
- 0566US7078010B2Method for producing α-alumina powderSUMITOMO CHEMICAL CO·Filed 2004·Granted Jul 18, 2006·7 cites·10 claims
- 0665US5607240ABearing sealing device and bearing sealing mechanism capable of preventing the leakage of greaseKOYO SEIKO CO·Filed 1996·Granted Mar 4, 1997·20 cites·7 claims
- 0761US5833373ABearing retainer and method of fabricating the sameKOYO SEIKO CO·Filed 1997·Granted Nov 10, 1998·19 cites·4 claims
- 0857US7766554B2Wheel rolling bearing apparatusJTEKT CORP·Filed 2007·Granted Aug 3, 2010·2 cites·12 claims
- 0948US7691362B2Method for producing an α-alumina powerSUMITOMO CHEMICAL CO·Filed 2005·Granted Apr 6, 2010·0 cites·12 claims
- 1045US7758845B2Method for producing an alpha alumina particleSUMITOMO CHEMICAL CO·Filed 2005·Granted Jul 20, 2010·0 cites·6 claims
- 1145US7510607B2Coating composition and method for producing the sameSUMITOMO CHEMICAL CO·Filed 2004·Granted Mar 31, 2009·0 cites·9 claims
- 1242US2004131856A1Alpha-alumina powder and method of producing the sameSUMITOMO CHEMICAL CO·Filed 2003·Application pending·0 cites
- 1340US2003185746A1Calcined alumina, its production method and fine alpha-alumina powder obtained by using the calcined aluminaSUMITOMO CHEMICAL CO·Filed 2003·Application pending·0 cites
- 1435US7281855B2Tapered roller bearing and final reduction gearKOYO SEIKO CO·Filed 2004·Granted Oct 16, 2007·0 cites·12 claims
- 1530US5690726ADimethylaluminum hydride composition, process for producing the same and method of reducing viscosity of dimethylaluminum hydrideSUMITOMO CHEMICAL CO·Filed 1996·Granted Nov 25, 1997·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →