Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767333 | Construction method for foundation pile | — | 2020-09-08 |
| 10036130 | Slab bridge structure | — | 2018-07-31 |
| 8370983 | Rigid connection structure of bridge pier and concrete girder | Fumihiro Saito | 2013-02-12 |
| 7469439 | Floor slab bridge structure | Fumihiro Saito | 2008-12-30 |
| 7418804 | Floor structure | Kazutoshi Tsuda, Fumihiro Saito | 2008-09-02 |
| 7373760 | Floor structure | Kazutoshi Tsuda, Fumihiro Saito | 2008-05-20 |
| RE40064 | Structure of floor slab bridge | Kazutoshi Tsuda, Fumihiro Saito | 2008-02-19 |
| 6892410 | Reinforcement structure of truss bridge or arch bridge | Fumihiro Saito, Seio Takeshima, Yoshiaki Nakai | 2005-05-17 |
| 6792638 | Structure of floor slab bridge | Kazutoshi Tsuda, Fumihiro Saito | 2004-09-21 |