TO

Tokumon Ogawa

NN Nagano Nidec: 4 patents #1 of 12Top 9%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
NC Nippon Densan Co.: 1 patents #27 of 61Top 45%
Overall (All Time): #889,639 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5536986 Spindle motor Koji Fukuyama, Kazuyoshi Horikoshi, Satoshi Nakajima, Yoichi Kitamura, Kazuto Miyajima 1996-07-16
5436517 Recording disk driving apparatus 1995-07-25
5347189 Spindle motor with labyrinth sealed bearing Masanobu Chuta 1994-09-13
5296981 Disk drive apparatus 1994-03-22
5227686 Spindle motor 1993-07-13
4407019 Electronic wristwatch Yoshinori Futami 1983-09-27