Inventor · disambiguated record
Yasuo Utsumi
Also filed as: UTSUMI YASUO
5 granted patents·147 citations·filing 1991–1994
83Inventor score
Top patents by PatentIndex Score
5 records- 0183US5352303ARolling bearingNSK LTD·Filed 1993·Granted Oct 4, 1994·71 cites·4 claims
- 0280US5122000ARolling bearingNIPPON SEIKO KK·Filed 1991·Granted Jun 16, 1992·23 cites·11 claims
- 0371US6325867B1Rolling bearing and heat treatment method thereforNSK LTD·Filed 1994·Granted Dec 4, 2001·27 cites·5 claims
- 0456US5361648ARolling-sliding mechanical memberNSK LTD·Filed 1993·Granted Nov 8, 1994·17 cites·2 claims
- 0540US5259886ARolling memberNIPPON SEIKO KK·Filed 1992·Granted Nov 9, 1993·9 cites·16 claims
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