Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429066 | Subchamber type combustion chamber for diesel engine | Takahiro Yamazaki, Yutaka Ishigaki, Hideyuki Koyama, Manabu Miyazaki, Katsunori Ikemachi +1 more | 2016-08-30 |
| 9027933 | Engine | Takahiro Yamazaki, Yutaka Ishigaki, Hideyuki Koyama, Manabu Miyazaki, Yoshinori Tanaka +2 more | 2015-05-12 |
| 8875679 | Apparatus for adjusting fuel amount of diesel engine | Takahiro Yamazaki, Hozumi Ishida, Yutaka Ishigaki, Tadasi Nakano, Satoshi Fujii | 2014-11-04 |