Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715691 | Electrochromic display using bipolar ion-exchange membrane | Teruaki Katsube, Yoshiya Iida | 1987-12-29 |
| 4587274 | Process for preparation of fluorine-containing compound having carboxyl group | Akihiko Nakahara, Masaki Shirouzu, Kenji Kunai | 1986-05-06 |
| 4294943 | Process for preparing fluorine-containing polymers having carboxyl groups | Yasuharu Onoue, Akihiko Nakahara, Junichi Itoh | 1981-10-13 |
| 4200711 | Process for preparing fluorine-containing polymers having carboxyl groups | Yasuharu Onoue, Akihiko Nakahara, Junichi Itoh | 1980-04-29 |