Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6330776 | Structure for reinforcing concrete member and reinforcing method | Yasuo Jinno, Hideto Saito, Hideo Tsukagoshi, Jun'ichi Iketani, Tadao Fujita +2 more | 2001-12-18 |
| 5049015 | Anchoring structure | Noboru Hiraoka | 1991-09-17 |
| 4876143 | Rod material | Minoru Sugita, Teruyuki Nakatsuji, Tadashi Fujisaki, Noboru Ishikawa, Yasuo Inada | 1989-10-24 |
| 4873145 | Resin-coated aggregates | Takeji Okada, Minoru Imai, Daisuke Tachibana | 1989-10-10 |
| 4758295 | Method of stopping leakage of water in concrete structure | Hiroshi Miura, Humiharu Machi, Shigeo Shimizu | 1988-07-19 |
| 4722861 | Lightweight aggregate having high resistance to water absorption and process for preparation thereof | — | 1988-02-02 |
| 4687517 | Concrete composition having heat resisting property and dimensional stability | Noboru Ishikawa, Hideyo Shiokawa | 1987-08-18 |
| 4660340 | Grain silo | Fumiharu Machi | 1987-04-28 |