Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982708 | Crankshaft | — | 2018-05-29 |
| 9644705 | Damper unit of internal combustion engine | Takamori Shirasuna, Hiroyuki Sugiura | 2017-05-09 |
| 9261131 | Crankshaft structure | Motoki Harada, Tadashi Niino | 2016-02-16 |
| 8104448 | Bolt fastening structure for internal combustion engine, and engine incorporating same | Hiroshi Kuribara, Shingo Ueda, Sumiko Fukuzawa | 2012-01-31 |