Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810687 | Method for producing synthetic quartz glass members for excimer lasers | Hiroyuki Nishimura, Toru Yokota | 2004-11-02 |
| 6761951 | Synthetic quartz glass blank | Hisatoshi Otsuka, Kazuo Shirota, Hiroyuki Nishimura, Takayuki SHIMAKAWA | 2004-07-13 |
| 6689705 | Synthetic quartz glass optical material and optical member | Hiroyuki Nishimura, Toru Yokota, Yasuyuki Yaginuma, Akira Sato, Tetsuji Ueda | 2004-02-10 |