Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991074 | Lighting lamp | Yasuo Kobayashi, Churyo Kodama, Katsumi Miyazaki, Takao Higashi, Masami Yanagisawa +1 more | 1991-02-05 |
| 4961024 | Circular fluorescent lamp with oval section of tube | Churyo Kodama, Yukio Ohno | 1990-10-02 |
| 4954937 | Lighting lamp | Yasuo Kobayashi, Naoki Hagiwara, Taisuke Hirota, Churyo Kodama, Katsumi Miyazaki +4 more | 1990-09-04 |