Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614271 | Method for the formation of a silica-based coating film | Tatsuhiko Shibuya, Susumu Okano, Yoshio Hagiwara, Toshimasa Nakayama | 1997-03-25 |
| 5591262 | Rotary chemical treater having stationary cleaning fluid nozzle | Hiroyoshi Sago, Koji Ueda, Hidenori Miyamoto, Ryuzo Takatsuki | 1997-01-07 |