Inventor · disambiguated record
Hiroshi Narai
Also filed as: NARAI HIROSHI
7 granted patents·1 pending application·125 citations·filing 1990–2004
86Inventor score
Top patents by PatentIndex Score
8 records- 0187US5630668AThrust needle-shaped roller bearing, rolling bearing, and cage of the thrust needle-shaped roller bearingNSK LTD·Filed 1995·Granted May 20, 1997·49 cites·10 claims
- 0280US5611250ARolling/sliding partNSK LTD·Filed 1995·Granted Mar 18, 1997·36 cites·3 claims
- 0362US5298323ABearing steel and rolling bearing made thereofNIPPON SEIKO KK·Filed 1990·Granted Mar 29, 1994·15 cites·36 claims
- 0442US5256213ABearing steelNSK LTD·Filed 1992·Granted Oct 26, 1993·8 cites·10 claims
- 0540US7207223B2Toroidal-type continuously variable transmission component and method for evaluating the sameNSK LTD·Filed 2004·Granted Apr 24, 2007·2 cites·8 claims
- 0640US2006048576A1Bearing steel,method for evaluating large-sized inclusions in the steel and rolling bearingKIUCHI AKIHIRO·Filed 2003·Application pending·0 cites
- 0739US5520987ARolling/sliding memberNSK LTD·Filed 1994·Granted May 28, 1996·6 cites·1 claims
- 0839US5415705ARolling bearingNSK LTD·Filed 1993·Granted May 16, 1995·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →