Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230525 | Process for improving qualities of paper | Hideo Yamaguchi, Masahiro Kobayashi, Yoshiyuki Iwamuro | 1980-10-28 |
| 4224103 | Bonding composition for incombustible fibrous materials | Hideo Yamaguchi, Masahiro Kobayashi, Yoshiyuki Iwamuro | 1980-09-23 |