Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683529 | Process of producing aluminum nitride multiple-layer circuit board | Koji Omote, Nobuo Kamehara, Mineharu Tsukada | 1997-11-04 |
| 5639431 | Hydrogen producing apparatus | Yoshinori Shirasaki, Masayuki Gondaira, Yoshu Ohta, Hiroshi Uchida, Kennosuke Kuroda +4 more | 1997-06-17 |