Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10226726 | Intake air filter device, filter replacement method of intake air filter device, and gas turbine | Toyosei Aota, Hiroyuki Katayama | 2019-03-12 |
| 6917134 | Vehicle use ac generator | Makoto Hirama, Sakae Ishida, Susumu Sasaki, Kenichiro Matsubara, Shinji Yamazaki +2 more | 2005-07-12 |