Inventor · disambiguated record
Yuichi Sumita
Also filed as: SUMITA YUICHI
5 granted patents·96 citations·filing 1989–2000
81Inventor score
Top patents by PatentIndex Score
5 records- 0190US6357923B1Rolling bearing and bearing deviceNSK LTD·Filed 2000·Granted Mar 19, 2002·33 cites·15 claims
- 0280US4916751ARolling bearingNIPPON SEIKO KK·Filed 1989·Granted Apr 10, 1990·37 cites·6 claims
- 0351US5906535ABall polishing method and apparatus, and annular groove forming methodNSK LTD·Filed 1997·Granted May 25, 1999·13 cites·18 claims
- 0443US5520573ASpherical member polishing apparatusNSK LTD·Filed 1995·Granted May 28, 1996·12 cites·6 claims
- 0528US6223635B1Method of forming annular grooves in a ball polishing apparatusNSK LTD·Filed 1999·Granted May 1, 2001·1 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →