Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925981 | Method of isolating methacrylic acid | Noboru Shimizu, Hiroshi Yoshida, Shoichi Matsumoto | 1990-05-15 |
| 4365081 | Process for producing 2-hydroxyalkyl acrylates or methacrylates | Noboru Shimizu, Hiroshi Yoshida, Shiyouichi Matumoto, Hiroyoshi Uchino | 1982-12-21 |