Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217446 | Hydraulic controller | Shuhei Ohtsuka, Takaaki Kunishiro, Tomohisa Yoshimura | 2015-12-22 |
| 5040639 | Elevator valve apparatus | Shinya Watanabe, Hironori Sasaki, Kaoru Nomichi | 1991-08-20 |