Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588453 | Method of manufacturing grain-oriented silicon steel sheets | Yoh Shimizu | 1986-05-13 |
| 4384748 | Oil film bearing for rolling roll for producing rolled sheets having a low deviation of sheet thickness | Takayuki Naoi, Keiichi Hamada, Makoto Shitomi, Hidetami Noguchi | 1983-05-24 |
| 4351576 | Oil film bearing for rolling roll | Takayuki Naoi, Makoto Shitomi, Keiichi Hamada, Hidetami Noguchi | 1982-09-28 |