Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554204 | Surface treatment method for quartz material | Hiroaki Kotaka, Nobuhisa Kurono, Hidenori Yamaoka, Shuuitsu Matsuo | 1996-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554204 | Surface treatment method for quartz material | Hiroaki Kotaka, Nobuhisa Kurono, Hidenori Yamaoka, Shuuitsu Matsuo | 1996-09-10 |