Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176341 | Airship yaw line tractor | Katsuhisa Ishikawa, Keiji Nakamura, Takao Suzuki | 1993-01-05 |
| 4825683 | Apparatus for evaluating an oxygen sensor | Akio Takami, Ken Minoha, Mineji Nasu, Toshifumi Sekiya, Toshitaka Matsuura +1 more | 1989-05-02 |