Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471104 | Drum motor for VCR | Shunichi Aiyoshizawa, Yoshikazu Suganuma, Daisuke Konno | 1995-11-28 |
| 5366298 | Hydrodynamic bearing | Hiroko Fuse | 1994-11-22 |
| 5322369 | Dynamic pressure bearing | Tadashi Kataoka, Shunsuke Mimura, Yoichi Kanemitsu, Yoshiyuki Maruta, Tatsuo Hinata +2 more | 1994-06-21 |
| 5224782 | Hydrodynamic bearing | Sachihiko Miwa, Kazuyuki Kasahara, Yoshikazu Suganuma, Yumiko Noda | 1993-07-06 |
| 5198637 | Method of cutting grooves in hydrodynamic bearing made of ceramic material | Yumiko Noda, Ichiro Kamiya, Yoshio Sato, Ryoichi Shinjo | 1993-03-30 |
| 4583015 | Single-phase brushless motor with multisector stator armature poles having different cross-sections | — | 1986-04-15 |