Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6079900 | Pavement composite material with elastic surface layer and production method thereof | Masakazu Io, Satoru Hara, Seiko Himeno | 2000-06-27 |
| 4894932 | Air-permeable shoe | Masasuke Harada, Yoshiharu Moronaga | 1990-01-23 |