Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090226 | Motor driven flaring device | Katsushi Takeoka, Tsuyoshi Ohashi | 1992-02-25 |
| 4401308 | Scroll chuck device | Ryo Sakaguchi | 1983-08-30 |
| 4396316 | Die-head of machine tools | Ryo Sakaguchi | 1983-08-02 |
| 4288181 | Die-head of cutting machines | Ryo Sakaguchi | 1981-09-08 |
| 4279182 | Machine tool | Fumiko Miyagawa, Makoto Sakaguchi | 1981-07-21 |