Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435954 | Fiber opening device in open-end spinning unit | Kazuo Seiki, Toshio Yoshizawa, Yoshiaki Yoshida, Keiji Onoue | 1984-03-13 |
| 4426840 | Open-end spinning machine | Yoshiharu Yasui, Keiji Onoue, Toshio Yoshizawa | 1984-01-24 |
| 4249369 | Centralized control system for open end spinning machines | Kanemitsu Tsuzuki, Kazuo Watanabe, Yastami Kito, Shigeo Seko | 1981-02-10 |