Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692678 | Flame spraying burner | Genichi Ishibashi, Kuniaki Sato, Hiroyuki Nakashima, Keiji Matsuda, Satoshi Shimizu | 1997-12-02 |
| 5688985 | Process for producing keto nitrile derivative | Mitsuhiko Fujihara, Kenji Asahina, Toru Watanabe, Toshiyuki Takezawa | 1997-11-18 |
| 5631724 | Centralized control system for terminal device | Yoji Sawada, Toru Kirimura, Kazunobu Maekawa, Sumiaki Hirata | 1997-05-20 |
| 5600482 | Optical amplifier circuit capable of carrying out stable amplification | — | 1997-02-04 |