Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987156 | Shock-absorbing polyurethane foam and production process thereof | Sigeru Tozune, Shizuo Yamazaki, Masashi Ishii, Yoshio Sakaguchi, Tetsuya Oda | 1991-01-22 |
| 4354474 | Fuel injection advance angle control apparatus | Masayoshi Kobayashi, Toru Sakuranaka, Keiichi Yamada, Masayasu Hayakawa, Sachio Nakagawa +1 more | 1982-10-19 |