Inventor · disambiguated record
Hajime Tazumi
Also filed as: TAZUMI HAJIME
11 granted patents·2 pending applications·135 citations·filing 1995–2008
90Inventor score
Top patents by PatentIndex Score
13 records- 0181US6343682B1One-way clutchKOYO SEIKO CO·Filed 2000·Granted Feb 5, 2002·21 cites·40 claims
- 0275US6394249B1One-way clutchKOYO SEIKO CO·Filed 1998·Granted May 28, 2002·26 cites·8 claims
- 0369US6311814B1One-way clutchKOYO SEIKO CO·Filed 2000·Granted Nov 6, 2001·10 cites·3 claims
- 0463US6745472B2Manufacturing method of steel ball for rolling bearingKOYO SEIKO CO·Filed 2002·Granted Jun 8, 2004·11 cites·12 claims
- 0563US5539844ABall bearing cages and ball bearingsKOYO SEIKO CO·Filed 1995·Granted Jul 23, 1996·20 cites·18 claims
- 0662US6116393APulley unitKOYO SEIKO CO·Filed 1998·Granted Sep 12, 2000·16 cites·7 claims
- 0761US6095301APulley unitKOYO SEIKO CO·Filed 1998·Granted Aug 1, 2000·17 cites·21 claims
- 0855US2008264528A1Rolling, sliding part and process for producing sameJTEKT CORP·Filed 2008·Application pending·0 cites
- 0951US6138804AOne-way clutch and auxiliary machine using the sameKOYO SEIKO CO·Filed 1999·Granted Oct 31, 2000·11 cites·18 claims
- 1047US6726728B2Rolling bearingKOYO SEIKO CO·Filed 2001·Granted Apr 27, 2004·2 cites·13 claims
- 1144US6547442B1Rolling bearingKOYO SEIKO CO·Filed 2000·Granted Apr 15, 2003·1 cites·6 claims
- 1242US2004234180A1Rolling, sliding part and process for producing the sameKOYO SEIKO CO·Filed 2004·Application pending·0 cites
- 1341US6858100B2Rolling bearingKOYO SEIKO CO·Filed 2002·Granted Feb 22, 2005·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →