Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669988 | Corrugating roll and manufacturing method thereof | Hiroyuki Takenaka, Yorishige Tosaka, Yasunobu Sahara, Hidenori Yamane, Akio Izuwa | 1997-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669988 | Corrugating roll and manufacturing method thereof | Hiroyuki Takenaka, Yorishige Tosaka, Yasunobu Sahara, Hidenori Yamane, Akio Izuwa | 1997-09-23 |