Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372038 | Concrete composition for overlay method and hardened product therefrom | Shoichi Kameta, Ryoichi Sato, Yoichi Abe, Makoto Tanimura, Tetsuro Niinuma +1 more | 2002-04-16 |
| 5979376 | Valve operating system in internal combustion engine | Harumi Hatano, Toshihiro Yamaki, Chihaya Sugimoto, Toshio Yokoyama | 1999-11-09 |
| 4357374 | Guest-host liquid crystal display devices with silane surfactant | — | 1982-11-02 |