Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543474 | Resin composition | Akikazu Amagai, Toshiaki Yamada, Hidefumi Harada, Hajime Ban, Yuji Takeda +1 more | 1996-08-06 |
| 5387652 | Resin composition of polyamideimide and polyphenylene sulfide | Akikazu Amagai, Toshiaki Yamada, Hidefumi Harada, Hajime Ban | 1995-02-07 |
| 5380907 | Method for preparing aromatic carbonate | Masamichi Mizukami, Katsushige Hayashi, Katsuhiro Iura | 1995-01-10 |
| 5321097 | Heat-resistant resin composition | Akikazu Amagai, Masahiko Ishikawa, Toshiaki Yamada, Yasuhiro Hirai, Hajime Ban | 1994-06-14 |
| 5310944 | Process for producing carboxylated compound | Yuh Miyauchi, Toshio Watanabe, Katsushige Hayashi, Satoshi Ueno, Hiroshi Ogawa +1 more | 1994-05-10 |
| 5051309 | Anti-dazzling polycarbonate polarizing plate | Ryozo Kawai, Katsushige Hayashi, Masaki Nagata | 1991-09-24 |
| 5034492 | Sulfur-containing aromatic vinyl compound, crosslinked polymer articles and lens | Makoto Kobayashi, Osamu Aoki, Tatsuo Iwai, Yukifumi Goto | 1991-07-23 |
| 4939218 | Sulfur-containing aliphatic acrylic compound, crosslinked polymer article, and lens | Makoto Kobayashi, Osamu Aoki, Yoshie Hiramatsu | 1990-07-03 |
| 4910283 | Aromatic-aliphatic polycarbonate copolymer | Sumio Iwao, Nobuhiro Shintani | 1990-03-20 |
| 4888401 | Molding material for optics | Yasuhiko Kijima, Yuh Miyauchi, Eizi Ukita, Toru Nakajima, Mituhiko Masumoto | 1989-12-19 |
| 4861854 | Photosensitive polyimide precursor | Akitoshi Sugio, Makoto Kobayashi, Katsushige Hayashi, Masahito Watanabe | 1989-08-29 |
| 4670535 | Photosensitive polyimide precursor and process for producing the same | Akitoshi Sugio, Katsushige Hayashi | 1987-06-02 |
| 4246398 | Method for recovering polyphenylene oxides | Akitoshi Sugio, Atsuo Kuramoto, Hiroyuki Urabe, Tatsuhiko Kurihara, Isamu Masumoto +1 more | 1981-01-20 |