Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817929 | Lens periphery edge processing apparatus | Akio Kobayashi, Yumi Takahashi, Hiroshi Koizumi, Makoto Taya, Michiko Nakanishi +1 more | 2004-11-16 |
| 6797127 | Process and apparatus for purification of oxygen-containing gas | Toshiaki Murata, Masamichi Kikuchi | 2004-09-28 |