Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047350 | Air intake passage structure for multi-cylinder engine | Toshihiko Hirata, Ryotaro Nishida | 2021-06-29 |
| 10982590 | Engine with supercharger | Ken Yoshida, Ryotaro Nishida, Shuhei Tsujita, Hisayuki Yamane, Masafumi Nakano +1 more | 2021-04-20 |
| 10920657 | Air intake passage structure for engine | Toshihiko Hirata, Ryotaro Nishida | 2021-02-16 |
| 10900411 | Engine with supercharger arrangement | Ken Yoshida, Ryotaro Nishida, Mitsunori Wasada, Mitsutaka Yamaya, Hisayuki Yamane +10 more | 2021-01-26 |
| 10788001 | Structure of mounting intake air temperature sensor of engine with supercharger | Jiro Kato, Mitsunori Wasada, Toshihiko Hirata, Tatsuya Koga, Shuhei Tsujita | 2020-09-29 |
| 10774793 | Intake and exhaust device for automotive engine | Kouichi Shimizu, Ryotaro Nishida | 2020-09-15 |
| 10323614 | Supercharged engine | Ryotaro Nishida | 2019-06-18 |
| 7997250 | Upper structure of engine | Yasushi Nakahara, Tsuyoshi Yamamoto, Keiichi Tateishi | 2011-08-16 |
| 6470840 | Cylinder head structure | Hiroyuki Oda, Kouji Asanoumi, Hiroaki Deguchi, Setsuo Harada, Hirokazu Matsuura | 2002-10-29 |
| 5241926 | Engine cooling apparatus | Masaaki Sato, Naoki Nagano, Toshimichi Akagi | 1993-09-07 |
| 5197423 | Arrangement for driving at least one supplemental apparatus of a V-type engine | Toshimichi Akagi, Naoki Nagano | 1993-03-30 |
| 5074255 | V-shaped engine | Masakazu Tokuyama, Masami Nishida | 1991-12-24 |
| 4750455 | Camshaft driving device for internal combustion engine | — | 1988-06-14 |