Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692052 | Engine noise control apparatus | Katsuyuki Tanaka, Tokio Kohama, Satoshi Kameyama, Kouzi Ohara, Masanori Kato | 1997-11-25 |
| 5674302 | Automobile filter element | Toshiaki Nakayama, Hideo Kamo, Tetsuro Okazono, Takanari Takagaki | 1997-10-07 |
| 5664533 | Air intake device for an internal combustion engine | Toshiaki Nakayama, Shuya Mikami, Akihide Yamaguchi, Masao Ino | 1997-09-09 |