Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070431 | Display board illuminating device for passive displays | Hideki Kitazawa, Ryohei Terada, Shogo Takeuchi, Kohichi Tanimoto, Nobuo Utsugi +1 more | 1991-12-03 |
| 4502289 | Cold water supply system | — | 1985-03-05 |