Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885229 | Photopolymerizable compositions | Kouzi Tohya, Yoshihiro Ohtsuka | 1989-12-05 |
| 4590145 | Photopolymerization initiator comprised of thioxanthones and oxime esters | Masanori Itoh, Kouzi Tohya | 1986-05-20 |
| 4252697 | Process for preparing an aqueous dispersion of synthetic resin mutually dissolved with a cellulose acetate alkylate | Yoshio Hashizume, Masatoshi Mikumo | 1981-02-24 |