Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137931 | Foamable phenolic resin composition and process for preparation thereof | Syuji Okumura, Masahiro Kinoshita, Kazuo Tamemoto, Akihiro Maruyama, Takumi Ishiwaka +1 more | 1992-08-11 |