Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8151613 | Method for shot peening | Ryohei Ishikura, Takashi Kano, Yuji Kobayashi, Satoru Ujihashi, Kiyoshi Okumura | 2012-04-10 |
| 6338574 | Bearing mechanism, hard disk drive mechanism and polygon mirror drive mechanism using the bearing mechanism, and method for manufacturing herringbone groove portions of dynamic-pressure bearing | Narito Shimizu, Tatsuo Hisada, Jun Yatazawa | 2002-01-15 |