Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788347 | Process for producing formaldehyde | Hideyo Fujii | 1988-11-29 |
| 4544773 | Process for producing formaldehyde | — | 1985-10-01 |
| 4291148 | Process for preparation of a phenolic-polybutadiene-HCHO resin composition useful for laminated sheet | Seimei Yasui, Takanobu Noguchi, Yoshiki Toyoshima, Junzo Saito | 1981-09-22 |
| 4259395 | Process for preparation of resin composition useful for laminated sheet | Seimei Yasui, Yoshinobu Matsuda, Takanobu Noguchi | 1981-03-31 |
| 4242413 | Vapor plating method for plastics | Shunji Iwahashi, Masahiro Yamasaki | 1980-12-30 |