Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916009 | Flexible printing base | Atsushi Hino | 1990-04-10 |
| 4880895 | Polyimide film-forming polyamide acid solution | Kazumi Higashi | 1989-11-14 |
| 4876330 | Colorless transparent polyimide shaped article and process for producing the same | Kazumi Higashi | 1989-10-24 |
| 4874834 | Colorless transparent polyimide shaped article and process for producing the same | Kazumi Higashi | 1989-10-17 |
| 4759987 | Polyimide powder and process for producing the same | Keizo Mizobe, Koji Suzuki, Osamu Yoshikai | 1988-07-26 |
| 4755428 | Polyimide powder and method for producing the same | Keizo Mizobe, Masanori Imai | 1988-07-05 |
| 4731287 | Process for producing polyimide/metallic foil composite film | Masanori Imai | 1988-03-15 |
| 4623563 | Process for producing polyimide/metallic foil composite film | Masanori Imai | 1986-11-18 |
| 4529793 | Selective permeable membranes comprising a polyquinazolone-based polymer | Masao Abe, Akio Iwama, Hisashi Ichinose | 1985-07-16 |
| 4520071 | Spherical porous polyimide powder | Toshio Nakajima | 1985-05-28 |
| 4464489 | Method for the production of polyimide powder | Toshio Nakajima | 1984-08-07 |
| 4354017 | Process for the production of polyquinazolone-based polymers | Masao Abe, Hisashi Ichinose | 1982-10-12 |