Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544719 | Internal combustion engine | Yoichi Oyamada, Yoshiyuki Suzuki, Akihiro Yamashita | 2020-01-28 |
| 10385810 | Intake system of internal combustion engine with supercharger | Kazuya Matsushima, Yoichi Oyamada, Daigo USA, Kohei Hotta | 2019-08-20 |
| 10151226 | Oil separator | Daigo USA, Kohei Hotta, Yoshiyuki Suzuki, Kazuya Matsushima, Akihiro Yamashita | 2018-12-11 |
| 10060530 | Internal combustion engine and cover member attachment structure for internal combustion engine | Yoshiharu Takeda, Hirotaka Kurita | 2018-08-28 |
| 9581061 | Internal combustion engine and separator structure thereof | Hirotaka Kurita, Seiichi Shiigi, Naoki Emori | 2017-02-28 |
| 9388765 | Internal combustion engine and structure of chain cover of the same | Hirotaka Kurita, Yoshiharu Takeda | 2016-07-12 |
| 9038585 | Valve timing control apparatus | — | 2015-05-26 |
| 8991348 | Valve timing control apparatus | Shohei Masuda, Masaki Kobayashi, Kazuo Ueda, Hideomi Iyanaga | 2015-03-31 |
| 7921820 | Valve timing control apparatus | Ichiro Kimura | 2011-04-12 |
| 7311069 | Variable valve timing control device | Masaki Kobayashi, Katsuhiko Eguchi, Kazumi Ogawa | 2007-12-25 |
| 7007918 | Valve opening-closing timing control device | Masaki Kobayashi, Shigeru Nakajima | 2006-03-07 |
| 6994062 | Variable valve timing control device | Masaki Kobayashi, Shinji Ohe, Hideyuki Suganuma | 2006-02-07 |
| 6814118 | Pneumatic tire with specified airtight layer on inner surface | Yasuhiro Narahara, Takuji Kusumoto, Atsushi Yamakage, Yutaka Kuroda, Masayuki Sakamoto +1 more | 2004-11-09 |
| 6701878 | Variable valve timing device | Shinji Ohe | 2004-03-09 |
| 6125804 | Variable valve lift device | Eiji Miyachi, Kazunari Adachi, Masahiro Nagae | 2000-10-03 |
| 5638782 | Valve timing control device | Katsuhiko Eguchi, Atsushi Sato | 1997-06-17 |
| 5603294 | Variable valve lift device | — | 1997-02-18 |
| 5488934 | Valve gear device | Eiji Shirai, Koji Hotta, Shinji Otsuka, Shigeru Katsuragi, Hisashi Kodama | 1996-02-06 |