Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8714806 | Coupling apparatus and kneading equipment having kneading apparatus and drive apparatus coupled together through the coupling apparatus | Masaki Naoi, Katsunobu Hagiwara | 2014-05-06 |
| 5607703 | Roller head extruder unit | Kenji Sakai, Yoshihiro Hamada, Katsunobu Hagiwara, Toshio Yanagihara, Hiromi Nakano | 1997-03-04 |
| 5565219 | Bank quantity adjusting device for extruder | Takeshi Hatanaka, Toshiyuki Miyamoto | 1996-10-15 |
| 5433522 | Hydraulic control device for closed type kneader | — | 1995-07-18 |