Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4568588 | Method of joining waterproof sheets and their joint structure | Toshiaki Fujiki, Toru Nishi | 1986-02-04 |
| 4535581 | Method of heat-insulating and water-proof construction utilizing a roll having a web portion and a flap portion | Toshiaki Fujiki | 1985-08-20 |
| 4443993 | Method of heat-insulating and water-proof construction | Toshiaki Fujiki | 1984-04-24 |
| 4404056 | Method of joining waterproof vulcanized synthetic rubber sheets | Masanori Kakehi, Yoshitaka HIGASHIDA, Kenzo Iwamoto | 1983-09-13 |
| 4379114 | Method of joining waterproof sheets, and their joint structure | Toshiaki Fujiki, Toru Nishi | 1983-04-05 |