Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723386 | Fluororesin-coated quartz glass jig and method for producing the same | Itsuo Araki | 2004-04-20 |
| 6680455 | Plasma resistant quartz glass jig | Naoki Hayashi, Tohru Segawa | 2004-01-20 |