KO

Koya Ohira

NT Ntn: 4 patents #361 of 1,364Top 30%
Overall (All Time): #1,267,882 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6517250 Rolling bearing Hidenobu Mikaki, Mari Kataoka, Takuya Ishii, Kenji Ito, Eiichiro Shimazu +1 more 2003-02-11
6417143 Rolling bearings and greases for the same Hidenobu Mikami, Yoshinobu Akamatsu, Masaki Egami, Takashi Yasunishi 2002-07-09
6113278 Rolling bearing for a dental instrument hand-piece 2000-09-05
5672013 Heat-resistant sliding bearing 1997-09-30