Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797392 | Polyimide/metal composite sheet | Hiroaki Yamaguchi, Fumio Aoki, Katsutoshi Washio, Tatsuo Tsumiyama | 2004-09-28 |
| 5922827 | Process for producing a polycarbonate | Keigo Nishihira, Shuji Tanaka, Katsumasa Harada, Ryoji Sugise, Katsutoshi Washio | 1999-07-13 |
| 5898048 | Polyimide powder and process for producing powder molded body | Hiroaki Yamaguchi, Fumio Aoki | 1999-04-27 |
| 5741598 | Polyimide/metal composite sheet | Hiroaki Yamaguchi, Fumio Aoki, Katsutoshi Washio | 1998-04-21 |
| 5243067 | Process of production of 3,4,3',4'-substituted biphenyl compound | Michinori Suzuki, Fumio Matsuo | 1993-09-07 |
| 5118782 | Thermotropic aromatic polyester which is melt-processable at low temperatures and exhibits liquid crystalline properties | Michinori Suzuki, Fumio Matsuo | 1992-06-02 |
| 4581469 | Method for producing biphenyltetracarboxylic esters | Hiroshi Itatani, Mikio Fujimoto | 1986-04-08 |
| 4338456 | Method of producing biphenyltetracarboxylic esters | Hiroshi Itatani, Akiyoshi Yokota | 1982-07-06 |
| 4294976 | Process for producing biphenyl compounds | Hiroshi Itatani, Hataaki Yoshimoto, Akiyoshi Yokota, Motozoh Yoshikiyo | 1981-10-13 |
| 4292435 | Method of producing biphenyltetracarboxylic esters | Hiroshi Itatani, Akiyoshi Yokota | 1981-09-29 |