Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961261 | Roll for mill and method of making a roll for a mill | Tatsuo Kojima, Tatsunori Kobayashi, Kouki Katou, Tetsuya Ohba, Koji Tanabe | 1990-10-09 |
| 4817410 | Roll for mill | Tetsuya Ohba, Kouji Tanabe, Tatsuo Kojima, Tatsunobu Kobayashi, Kouki Katou | 1989-04-04 |