Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340869 | Colorable binder composition | Yoshio Aizawa, Kenichi Kogo, Chuzo Yoshida | 1994-08-23 |
| 5328943 | Asphalt compositions for pavement | Yoshio Aizawa | 1994-07-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340869 | Colorable binder composition | Yoshio Aizawa, Kenichi Kogo, Chuzo Yoshida | 1994-08-23 |
| 5328943 | Asphalt compositions for pavement | Yoshio Aizawa | 1994-07-12 |