Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336723 | Phenolic resin molding materials | Shinji Ikeda, Ken Katoh | 1994-08-09 |
| 5162428 | Phenolic resin composition | Ken Katoh | 1992-11-10 |
| 5141992 | Phenolic resin composition with excellent impact strength | Ken Katoh, Shinji Ikeda | 1992-08-25 |