Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920729 | Starting device for gas internal combustion engine | Hideki Nishio, Hirotoshi Kitagawa | 2018-03-20 |
| 9816891 | Gas internal combustion engine gas leak checking device and method for same | Hirotoshi Kitagawa | 2017-11-14 |
| 9777692 | Exhaust purge device for gas internal combustion engine | Hideki Nishio, Hirotoshi Kitagawa | 2017-10-03 |
| 9261034 | Gas engine control device | Minoru Esaki | 2016-02-16 |
| 8826883 | Gas engine | Kimihiko Maehata | 2014-09-09 |
| 8757127 | Gas engine with spark plug and bore-cooling holes | Hideaki Okumura | 2014-06-24 |
| 4199829 | Nursing system | Shigeru Watanabe, Hideo Iwasaki | 1980-04-29 |