Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545166 | Process for producing spiro acetal derivative | Masao Honma, Hiroyasu Koto | 2003-04-08 |
| 5317080 | Polyether acrylamide and active energy ray curable resin composition | Seiji Arimatsu, Chitoshi Kawaguchi, Kazunori Kanda, Yasuhiro Kimura, Masao Honma +2 more | 1994-05-31 |