Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509972 | Air-conditioner cleaning method | Yasumasa Akazawa, Taiko Kitai, Takeo Karashima | 1996-04-23 |
| 4637781 | Torque regulating system for fluid operated pump displacement control systems | Teruo Akiyama, Takaichi Saigo | 1987-01-20 |