Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9543597 | Fuel-cell power generation system and method of manufacturing the same | Yasuhiro Arai, Takayuki Shinohara, Jun Udagawa, Kenzo Tonoki | 2017-01-10 |
| 8247099 | Gas exhaust structure of battery | Takafumi Nakahama, Takeo Kakuchi, Nobumitsu Tada, Taihei Koyama, Kenya Kurokawa +2 more | 2012-08-21 |
| 7243760 | Elevator door unit having mechanism to release lock unit manually in emergency | Kenzo Tonoki, Yoshiaki Fujita, Shin Murakami | 2007-07-17 |
| 7178638 | Car door apparatus of elevator | Yoshiaki Fujita, Kenzo Tonoki | 2007-02-20 |
| 5969531 | Inspection apparatus for inspecting performance of structure by inserting measuring element through gap formed therein | Shin Murakami, Tadashi Munakata, Satoshi Suzuki, Sueyoshi Mizuno, Yoshikata Kobayashi +5 more | 1999-10-19 |