Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024199 | Variable valve mechanism of internal combustion engine | Naoki Hiramatsu, Koki Yamaguchi, Motohiro Yuge, Masaaki Tani | 2018-07-17 |
| 8656877 | Vehicle engine | Naoki Hiramatsu | 2014-02-25 |
| 8567362 | Vehicle engine | Naoki Hiramatsu | 2013-10-29 |
| 8561585 | Rocker arm unit | Tomoki Miyoshi, Naoki Hiramatsu, Toshimasa Sasaki | 2013-10-22 |
| 8240284 | Rocker arm | Naoki Hiramatsu | 2012-08-14 |
| 8191523 | Rocker arm | Naoki Hiramatsu, Eiichi Nozaki | 2012-06-05 |
| 8156907 | Cam housing | Hiroki Fujii, Katsuhiko Motosugi, Naruhiko Nakashima | 2012-04-17 |
| 7779803 | Rocker arm installed module | Naoyuki Yamamoto, Tomoki Miyoshi, Naoki Hiramatsu | 2010-08-24 |
| 7775186 | Supporting structure for a camshaft, as well as methods for mounting and manufacturing a camshaft | Katsuhiko Motosugi, Manabu Shibata | 2010-08-17 |
| 7647912 | Supporting structure and a supporting member for a camshaft | Manabu Shibata, Katsuhiko Motosugi, Mitsuyoshi Teramura | 2010-01-19 |