Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923244 | Pouring apparatus for castings | Tetsuichi Motegi, Kiichi Miyazaki, Kiyotaka Yoshihara | 2005-08-02 |
| 6616729 | Method of grain refining cast magnesium alloy | Tetsuichi Motegi, Kiichi Miyazaki, Kiyotaka Yoshihara, Eiji Yano | 2003-09-09 |
| 4610926 | Concrete reinforcing steel fibers and production thereof | — | 1986-09-09 |
| 4560622 | Steel fiber for reinforcing concrete and production thereof | Takeo Nakagawa, Kazusuke Kobayashi | 1985-12-24 |
| 4559276 | Concrete reinforcing steel fibers | — | 1985-12-17 |