Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669988 | Corrugating roll and manufacturing method thereof | Hiroyuki Takenaka, Yorishige Tosaka, Yasunobu Sahara, Yoshiaki Maruyama, Hidenori Yamane | 1997-09-23 |
| 4919696 | Supercooling type mist eliminator apparatus | Tsuneo Higashi | 1990-04-24 |
| 4697060 | Electronic beam welding method for screen cylinder | Tadanobu Yamaguchi | 1987-09-29 |