Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101545 | Method of reforming existing gas pipe by repairing joint portions thereof | Yoji Mori, Mitsuhide Fujita, Koichi Yasui, Yutaka Sugiki, Yasuo Miyazaki +1 more | 1992-04-07 |