Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159254 | Wax composition for forming candles | Eiji Akiyama, Nobuaki Kawabata | 2000-12-12 |
| 5340869 | Colorable binder composition | Yoshio Aizawa, Kenichi Kogo, Chuzo Yoshida | 1994-08-23 |
| 5328943 | Asphalt compositions for pavement | Yoshio Aizawa | 1994-07-12 |
| 4248749 | Stripping-resistant asphalt compositions | Shigeyuki Hayashi | 1981-02-03 |