Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11646454 | Liquid detection sensor | Masaki Takahashi | 2023-05-09 |
| 5671778 | Repairing tube, method for repairing pipe lines therewith and method for removing the repairing tube | Hiroyuki Sakuragi, Futoshi Makimoto, Shinichi Takebe, Takuji Sokawa, Hitoshi Saito | 1997-09-30 |
| 5186987 | Lining material for pipe lines and a process for providing pipe lines therewith | Takayoshi Imoto, Futoshi Makimoto, Eiji Kitagawa | 1993-02-16 |
| 5164237 | Lining material for pipelines | Shigeo Kaneda, Akio Morinaga, Hitoshi Saito | 1992-11-17 |
| 5077107 | Lining material for pipelines | Shigeo Kaneda, Akio Morinaga, Hitoshi Saito | 1991-12-31 |
| 4877665 | Lining material for pipe lines | Kumao Higuchi, Akio Morinaga, Hitoshi Saito | 1989-10-31 |