Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8646269 | Cylinder apparatus | — | 2014-02-11 |
| 8434304 | Cylinder apparatus | — | 2013-05-07 |
| 8347623 | Cylinder apparatus | — | 2013-01-08 |
| 7963113 | Cylinder device | Osamu Ueno, Toshiaki Mitani, Takayoshi Shinohara | 2011-06-21 |
| 6292074 | Switch unit | Tsutomu Amano, Kazuhiro Ohta, Atsushi Shimizu | 2001-09-18 |