Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339524 | Photosensitive resinous materials containing stilbazolium groups | Kunihiro Ichimura, Osamu Takeuchi, Hideo Kusama, Akira Saka, Hiroshi Ito +1 more | 1982-07-13 |
| 4330778 | Device for detecting broken filaments in lamps | Katsumi Nomura, Osafumi Takemoto | 1982-05-18 |