Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435543 | Phenolic resin compositions | Kenji Ema, Junji Hara, Shuhei Ikado, Hideo Kawashima | 1984-03-06 |
| 4378450 | Phenolic resin compositions | Kenji Ema, Junji Hara, Shuhei Ikado, Hideo Kawashima | 1983-03-29 |