KO

Katsuhiko Oka

NS Nippon Soken: 3 patents #406 of 1,540Top 30%
DE Denso: 2 patents #4,986 of 11,792Top 45%
KL Kawasumi Laboratories: 1 patents #37 of 106Top 35%
Overall (All Time): #1,222,394 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8852259 Indwelling device for tubular medical treatment instrument and front tip of indwelling device for tubular medical treatment instrument Yoshihiko Yokoi, Kazumi Akita 2014-10-07
7821177 Laminated core Sadahisa Onimaru, Hirofumi Kinjou, Daisuke Miyata 2010-10-26
7814642 Stator of electric rotating machine Sadahisa Onimaru, Hirohito Matsui, Hirofumi Kinjo, Shinji Kouda 2010-10-19
7759834 Electromagnetic device Sadahisa Onimaru, Hirofumi Kinjou, Daisuke Miyata 2010-07-20