Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790300 | Method and apparatus for bonding substrate plates together through gap-forming sealer material | Hiroyuki Watanabe, Yuji Otsubo, Hisayoshi Ichikawa, Hiroaki Kiyomiya | 2004-09-14 |
| 6004487 | Method and apparatus for laser-texturing disk surfaces | Kenya Wada, Hisayoshi Ichikawa, Kazuto Kinoshita | 1999-12-21 |