KH

Kiyoshi Haginuma

NC Nippon Seiko Co.: 2 patents #67 of 315Top 25%
Overall (All Time): #2,315,960 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5009520 Dynamic pressure type bearing and spindle unit Toshimi Takajo, Hiromitsu Asai 1991-04-23
4934836 Dynamic pressure type fluid bearing device Katsuhiko Tanaka, Ikunori Sakatani, Takeyuki Yoshiba, Takanobu Sato, Toshimi Takajou +1 more 1990-06-19