Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874707 | Processing torch having a separably assembled torch base and torch head | Noboru Iida, Hitoshi Sato, Toshio Yamashita | 1999-02-23 |
| 5628924 | Plasma arc torch | Hitoshi Sato, Noriyuki Sekizawa, Yoshihiro Yamaguchi, Yoshitaka Niigaki, Yuuichi Takabayashi | 1997-05-13 |
| 4876158 | Piston ring having a wear resistant surface layer | Toru Onuki, Junichi Sagawa, Tamotsu Watanabe | 1989-10-24 |
| 4706616 | Internal combustion engine cylinder liner coatings | — | 1987-11-17 |