Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8851053 | Gas fuel supply apparatus | Shigeru Shudo, Hiroaki Kojima | 2014-10-07 |
| 8726929 | Gas engine regulator | Hiroaki Kojima, Tsukasa Ebisudani | 2014-05-20 |
| 8490604 | Fuel feeding device for gas engine | Hiroaki Kojima, Haruo Tsusaka, Tsukasa Ebisudani | 2013-07-23 |
| 8448660 | Gas fuel supply apparatus | Shigeru Shudo, Hiroaki Kojima | 2013-05-28 |
| 8061330 | Fuel supplying apparatus for gas engine | Hiroaki Kojima, Toru Taniguchi | 2011-11-22 |
| 7992547 | Multiple gas fuel delivery system | Hiroaki Kojima, Haruo Tsusaka | 2011-08-09 |
| 7954479 | Fuel supply device for gas engine | Hiroaki Kojima, Yasuhiro Sugimoto | 2011-06-07 |
| 7654250 | Gas fuel supply apparatus | Eiichi Utsugi, Hiroaki Kojima | 2010-02-02 |
| 6679232 | Mixer for multicylinder gas engine | Ryuhei Tamamoto, Shinji Yamanaka | 2004-01-20 |