Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5722695 | Pipe joint | Shigeyuki Matsumoto, Kenji Fuse, Yasuyoshi Maruhashi, Mitsuaki Motoda, Kenji Miyatani +4 more | 1998-03-03 |
| 5658021 | Pipe joint | Shigeyuki Matsumoto, Tsuneyoshi Shibata, Masao Kanazawa, Minoru Sunaga, Nobuhisa Fukuda +4 more | 1997-08-19 |