Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10240494 | Valve timing control device for internal combustion engine | Kaita Nakano, Hiroyuki Kato | 2019-03-26 |
| 9885259 | Lock determination device for variable valve timing mechanism and lock determination method for variable valve timing mechanism | Hideo Mitsuhashi, Takahiro Anada, Ken Shiozawa | 2018-02-06 |
| 9267398 | Variable valve timing control device of internal combustion engine | Ken Shiozawa, Hironori Ito, Hiroyuki Itoyama | 2016-02-23 |
| 9157379 | Variable valve timing control device for internal combustion engine | Hironori Ito, Hiroyuki Itoyama, Ken Shiozawa | 2015-10-13 |
| 9051855 | Engine valve timing control apparatus | Hironori Ito, Ken Shiozawa, Takahiro Miura, Motomu Kitamura, Naoki Osada +4 more | 2015-06-09 |
| 6427648 | Electromagnetically-powered valve operating apparatus of automotive internal combustion engine | — | 2002-08-06 |
| 5749341 | Valve lifter for internal combustion engines | Noriomi Hosaka, Tadashi Kikyohara, Seiji Tsuruta, Sadayuki Abo, Masaki Toriumi | 1998-05-12 |