Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11801573 | Tack welding method and tack welding apparatus | Katsura Owaki, Isao Kawaguchi, Satomi Maki, Hiroki Matsuo | 2023-10-31 |
| 7241718 | Dimethyl ether steam reforming catalyst and method for producing the same | Kaoru Takeishi | 2007-07-10 |
| 7062908 | Construction for exhaust emission control | — | 2006-06-20 |
| 6875408 | Exhaust gas purification catalyst for internal combustion | Nobutoshi Konagai, Fumikazu Kimata, Ruri Higuchi | 2005-04-05 |
| 4927611 | Lightweight magnesia clinker and process for the preparation of the same | Akira Kaneyasu, Toshiichi Iwamoto | 1990-05-22 |
| 4681863 | High-density magnesia-calcia clinker and process for production thereof | Akira Kaneyasu, Yo Arita | 1987-07-21 |
| 4585743 | High density magnesia clinker and process for its production | Akira Kaneyasu | 1986-04-29 |