Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6309791 | Polyimide precursor, polyimide and their use | Hideo Hagiwara, Yasunori Kojima, Makoto Kaji, Haruhiko Kikkawa | 2001-10-30 |
| 6143475 | Polyimide precursor, polyimide and their use | Hideo Hagiwara, Yasunori Kojima, Makoto Kaji, Haruhiko Kikkawa | 2000-11-07 |
| 6071667 | Photosensitive resin composition containing a photosensitive polyamide resin | Hideo Hagiwara, Yasunori Kojima, Makoto Kaji, Haruhiko Kikkawa | 2000-06-06 |
| 5811218 | Photoinitiator compositions including amino acids, coumarin and titanocene and photosensitive materials using the same | Makoto Kaji, Yasunori Kojima, Shigeki Katogi, Masataka Nunomura, Hideo Hagiwara +3 more | 1998-09-22 |
| 5262277 | Photosensitive resin composition and photosensitive element using the same | Kuniaki Sato, Yasunori Kojima, Shigeo Tachiki, Tohru Kikuchi, Toshiaki Ishimaru +1 more | 1993-11-16 |
| 5115089 | Processes for preparation of polyimide-isoindroquinazolinedione and precursor thereof | Masatoshi Yoshida, Katsuji Shibata, Hidetaka Satou, Toshihiko Kato, Yasuo Miyadera +1 more | 1992-05-19 |
| 4958001 | Dicyclohexyl-3,4,3',4'-tetracarboxylic acid or dianhydride thereof and polyamide-acid and polyimide obtained therefrom | Tohru Kikuchi, Toshiyuki Fujita, Takayuki Saito, Hidetaka Sato, Hiroshi Suzuki | 1990-09-18 |
| 4847358 | Process for producing polyamide acid having siloxane bonds and polyimide having siloxane bonds and isoindoloquinazolinedione rings | Takayuki Saito, Toul Kikuchi, Shun-ichiro Uchimura, Hidetaka Satou, Daisuke Makino | 1989-07-11 |
| 4565767 | Light-sensitive polymer composition with poly(amic acid), bisazide, and tertiary amine compound | Fumio Kataoka, Fusaji Shoji, Isao Obara, Issei Takemoto, Hitoshi Yokono +1 more | 1986-01-21 |