Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598287 | Composite seal ring | Noriyuki Inagaki, Yushi TSUZUKI | 2020-03-24 |
| 6155224 | Noise silencer for vehicle engine intake system | Hiroki Akihisa, Toshiaki Nakayama | 2000-12-05 |
| 5927254 | Intake duct and intake system for internal combustion engine | Masao Ino, Yoshitaka Nishio, Toshiaki Nakayama, Akihide Yamaguchi | 1999-07-27 |
| 5826553 | Air intake device for an internal combustion engine | Toshiaki Nakayama, Yoshitaka Nishio, Akihide Yamaguchi, Masao Ino | 1998-10-27 |
| 5664533 | Air intake device for an internal combustion engine | Toshiaki Nakayama, Yoshitaka Nishio, Akihide Yamaguchi, Masao Ino | 1997-09-09 |
| 5575247 | Air intake device for an internal combustion engine | Toshiaki Nakayama, Yoshitaka Nishio, Akihide Yamaguchi, Masao Ino | 1996-11-19 |