Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051023 | Fracture-free layered paving blocks | Kinoto Yoshida, Morizumi Fujii, Shigeo Suda, Osamu Kodama, Kazuro Kuroe +3 more | 1991-09-24 |
| 4995932 | Method for production of paving blocks | Kinoto Yoshida, Morizumi Fujii, Shigeo Suda, Osamu Kodama, Kazuro Kuroe +3 more | 1991-02-26 |