Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5484685 | Naphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereof | Seiji Tai, Nobuyuki Hayashi, Koichi Kamijima, Mitsuo Katayose, Takayuki Akimoto +4 more | 1996-01-16 |
| RE34885 | Liquid crystal polyimide alignment free of scattering domains | Hisao Yokokura, Tadao Nakata, Yasuo Hanawa, Kishiro Iwasaki, Teruo Kitamura +5 more | 1995-03-28 |
| 5321078 | Thermoplastic resin composition and molded articles obtained therefrom | Kiyotaka Mashita, Tatsuo Ishikawa, Isamu Hattori | 1994-06-14 |
| 5219706 | Naphthalocyanine derivative and production process thereof, as well as optical information recording media using the derivatives and production process thereof | Seiji Tai, Shigeru Hayashida, Nobuyuki Hayashi, Yasushi Iwakabe, Shunichi Numata +4 more | 1993-06-15 |
| 5214188 | 2,3-dicyanonaphthalene derivatives | Seiji Tai, Shigeru Hayashida, Nobuyuki Hayashi, Hideo Hagiwara, Mitsuo Katayose +4 more | 1993-05-25 |
| 5180786 | Impact modifier, thermoplastic resin composition using the same and molded article obtained therefrom | Toshio Matsumoto, Yoshinori Kobayashi, Masashi Shitara, Isamu Hattori, Yoshihiro Nomura | 1993-01-19 |
| 5034309 | Naphthalocyanine derivatives and their use in optical recording medium | Seiji Tai, Shigeru Hayashida, Nobuyuki Hayashi, Hideo Hagiwara, Mitsuo Katayose +4 more | 1991-07-23 |
| 5020883 | Ferroelectric liquid crystal device | Kishiro Iwasaki, Hisao Yokokura, Yasuo Hanawa, Katsumi Kondo, Tadao Nakada +2 more | 1991-06-04 |
| 4942073 | Optical data storage medium | Setsuo Kobayashi, Mariko Nakamura, Akio Mukoh | 1990-07-17 |
| 4927735 | Novel naphthalocyanine dye, method for preparing the same, and optical information recording medium employing the same | Setsuo Kobayashi, Akio Mukoh | 1990-05-22 |
| 4781439 | Liquid crystal polyimide alignment free of scattering domains | Hisao Yokokura, Tadao Nakata, Yasuo Hanawa, Kishiro Iwasaki, Teruo Kitamura +5 more | 1988-11-01 |
| 4759614 | Ferroelectric liquid crystal element with particular alignment film and a method for manufacturing the same | Hisao Yokokura, Katsumi Kondo, Yasuo Hanawa, Kishiro Iwasaki, Tadao Nakata +4 more | 1988-07-26 |
| 4653866 | Liquid crystal compound and liquid crystal composition including the same | Hisao Yokokura, Kishiro Iwasaki, Tadao Nakata, Teruo Kitamura, Akio Mukoh | 1987-03-31 |
| 4645305 | Liquid-crystal compound, liquid crystal composition and liquid crystal display device | Hisao Yokokura, Hidetoshi Abe, Tadao Nakata, Teruo Kitamura, Akio Mukoh | 1987-02-24 |
| 4634228 | Ferroelectric liquid crystal cell with rubbed polyimide alignment layer | Kishiro Iwasaki, Hisao Yokokura, Tadao Nakata, Akio Mukoh | 1987-01-06 |
| 4460783 | Ether imides and process for producing the same | Akio Nishikawa, Masashi Shitara, Toshiaki FUKUSHIMA, Hiroshi Suzuki, Hisashi Kohkame | 1984-07-17 |
| 4278786 | Aromatic polyamides containing ether linkages and process for producing same | Ken Nanaumi, Fusaji Shoji, Hisashi Kohkame | 1981-07-14 |