Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6910948 | Needle bearing and method for grinding bearing parts thereof | Makoto Fujinami | 2005-06-28 |
| 5289067 | Bearing device | Katsuhiko Tanaka, Ikunori Sakatani, Shigeru Endo | 1994-02-22 |
| 5114245 | Dynamic pressure bearing device | Katsuhiko Tanaka, Takanobu Sato, Ikunori Kawakami, Koichi Kawakami | 1992-05-19 |
| 5046863 | Dynamic pressure bearing device | Ikunori Sakatani, Katushiko Tanaka | 1991-09-10 |
| 4934836 | Dynamic pressure type fluid bearing device | Katsuhiko Tanaka, Ikunori Sakatani, Takanobu Sato, Kiyoshi Haginuma, Toshimi Takajou +1 more | 1990-06-19 |