Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7637478 | Seat ring with insert for butterfly valve, and manufacturing method thereof | Norimitsu Kai | 2009-12-29 |
| 5511487 | Transport system with electric movers | Yoshito Kaida | 1996-04-30 |
| 5450796 | Transport system with electric rail cars | — | 1995-09-19 |
| 5303656 | Monorail tramcar type conveyor | Katsuyoshi Makimura | 1994-04-19 |
| 4905605 | Conveyor trolley | Tsuneo Shishido, Yasuaki Abe, Masao Arai, Kazuysohi Fukuhara, Yasuhide Kido | 1990-03-06 |