Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626679 | Method and apparatus for preparing a silicon oxide film | Naoto Tsuji | 1997-05-06 |
| 5603754 | Composition and process for treating tinplate and aluminum | Tomoyuki Aoki, Masayuki Yoshida | 1997-02-18 |