Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671778 | Repairing tube, method for repairing pipe lines therewith and method for removing the repairing tube | Masahiro Seshimo, Futoshi Makimoto, Shinichi Takebe, Takuji Sokawa, Hitoshi Saito | 1997-09-30 |
| 4956038 | Method for lining pipe lines | Akio Morinaga, Masakatsu Hyodo, Tomiyo Nishimoto, Shinji Onishi | 1990-09-11 |