Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663977 | Gas laser apparatus | Hakaru Mizoguchi | 1997-09-02 |
| 5639515 | Method for post-treatment of plated steel sheet for soldering | Katsumi Kanda, Takashi Tanaka, Masashi Ichishima, Yoshikazu Kondo | 1997-06-17 |