Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908737 | Production method of fluid dynamic-pressure bearing in spindle motor | Hosei Kudou, Hirofumi Takayama, Takashi Nishina | 2011-03-22 |
| RE38841 | Shower bath apparatus and spray nozzle | Hiroaki Yoshida, Shigeru Shirai, Masaaki Kawaguri, Kazushige Kawahara, Masaki Yamamoto +1 more | 2005-10-25 |
| 6195814 | Shower bath apparatus and spray nozzle | Hiroaki Yoshida, Shigeru Shirai, Masaaki Kawaguri, Kazushige Kawahara, Masaki Yamamoto +1 more | 2001-03-06 |