Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451026 | Underwater device and method for controlling posture of underwater device | Norihisa Handa, Shigeki Nagaya, Akio Ito | 2019-10-22 |
| 9816479 | Underwater device | Norihisa Handa, Shigeki Nagaya | 2017-11-14 |
| 8984863 | Ammonia injection device | Akinori Yukimura, Masafumi Kawai | 2015-03-24 |
| 8572965 | High-temperature radiator storage yard generating apparatus | Hiroyuki Otsuka, Hisakazu Onizuka, Shinsuke Matsuno, Takahisa Nagao, Atsushi Hirata +2 more | 2013-11-05 |