Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354460 | Variable valve event engine | Hisao Mae, Masaaki Takizawa | 1982-10-19 |
| 4347812 | Hydraulic valve lift device | Tooru Kosuda, Michihiro Ohashi, Yasuhiro Takeuchi, Tadahide Toda, Masaaki Takizawa | 1982-09-07 |