Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663818 | Optical concentrator and optical communication network using the same | Toru Nakata, Kazuhiko Hojyo | 1997-09-02 |
| 5654611 | Lamp control circuit having a V-I converter with slopes of different magnitudes and a second resistor connected in series with a first such that the second senses the output current of the V-I converter | Masamichi Ishikawa, Kenji Yoneima | 1997-08-05 |
| 5608088 | Process for producing 3,4-caranediol | Keisuke Watanabe, Atsushi Kaetsu, Yoshimi Yamada | 1997-03-04 |
| 5606227 | Surge generator having a low voltage transformer winding connected to a high voltage winding | Masamichi Ishikawa, Kenji Yoneima | 1997-02-25 |