Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022867 | Silicon compound and method for making the same | Kazunori Ueno, Yuichi Hashimoto, Akihiro Senoo, Seiji Mashimo | 2006-04-04 |
| 6858325 | Organic compound and electroluminescent device using the same | Akihiro Senoo, Kazunori Ueno, Seiji Mashimo | 2005-02-22 |
| 6586119 | Luminescent device | Yuichi Hashimoto, Akihiro Senoo, Kazunori Ueno | 2003-07-01 |
| 6534198 | Silicon compound, method for making the same, and electroluminescent device using the same | Kazunori Ueno, Yuichi Hashimoto, Akihiro Senoo, Seiji Mashimo | 2003-03-18 |
| 6517957 | Organic compound and electroluminescent device using the same | Akihiro Senoo, Kazunori Ueno, Seiji Mashimo | 2003-02-11 |
| 6037040 | Light-transmitting recording material for electrophotography, and heat fixing method | Takehiko Ohi, Naoki Kushida, Hiroyuki Ogino | 2000-03-14 |
| 6017644 | Organic compound, its polymer and light emitting device | Akihiro Senoo, Kazunori Ueno, Seiji Mashimo | 2000-01-25 |
| 5869210 | Photosensitive recording medium and method of preparing volume type phase hologram member using same | Norio Ohkuma, Tetsuro Kuwayama, Toshiaki Majima, Naosato Taniguchi, Yoko Yoshinaga +1 more | 1999-02-09 |
| 5853875 | Light-transmitting recording material for electrophotography, and heat fixing method | Naoki Kushida, Takehiko Ooi, Hiroyuki Ogino | 1998-12-29 |
| 5812227 | Liquid crystal device, display apparatus using same and display method using same | Kazuo Yoshinaga, Toshikazu Ohnishi, Koichi Sato, Takeo Eguchi, Tsuyoshi Shibata | 1998-09-22 |
| 5776634 | Photosensitive recording medium and method of preparing volume type phase hologram member using same | Norio Ohkuma, Tetsuro Kuwayama, Toshiaki Majima, Naosato Taniguchi, Yoko Yoshinaga +1 more | 1998-07-07 |
| 5708932 | Charging system and electrophotography apparatus | Hideyuki Yano, Akio Maruyama, Noboru Kashimura, Kazushige Nakamura, Shoji Amamiya +2 more | 1998-01-13 |
| 5637253 | Chiral smectic liquid crystal compound, chain polymeric liquid crystal copolymer compound, their polymeric liquid crystal composition, a polymeric liquid crystal device which uses them, and apparatus and method which uses the same | Koichi Sato, Kazuo Yoshinaga, Takeo Eguchi | 1997-06-10 |
| 5614125 | Polymeric liquid-crystal compound, polymeric liquid-crystal composition, and polymeric liquid-crystal device | Koichi Sato, Kazuo Yoshinaga, Takeo Eguchi | 1997-03-25 |
| 5540858 | Display method and apparatus using chiral smectic liquid crystal | Kazuo Yoshinaga, Hidetoshi Suzuki, Katsumi Kurematsu, Toshikazu Ohnishi, Hideaki Mitsutake +3 more | 1996-07-30 |
| 5527497 | Process and apparatus for manufacturing substrate sheet for optical recording mediums, and process for preparing stamper | Osamu Kanome, Hirofumi Kamitakahara, Tsuyoshi Santo, Hitoshi Yoshino, Toshiya Yuasa +1 more | 1996-06-18 |
| 5475515 | Liquid crystal device having a stretched porous polymer film impregnated with a low molecular weight mesomorphic compound | Kazuo Yoshinaga, Ryoji Fujiwara, Toshikazu Ohnishi, Koichi Sato, Takeo Eguchi +1 more | 1995-12-12 |
| 5473448 | Display device having a mesomorphic diffraction grating layer adjacent a polymer dispersed layer | Kazuo Yoshinaga, Hajime Sakata, Toshikazu Ohnishi, Koichi Sato, Takeo Eguchi +1 more | 1995-12-05 |
| 5447655 | Polymeric liquid crystal copolymer compound, composition, thererof, and polymeric liquid crystal device making use of these | Koichi Sato, Kazuo Yoshinaga, Takeo Eguchi | 1995-09-05 |
| 5372745 | Liquid crystal device, display apparatus using same and display method using same | Kazuo Yoshinaga, Hidetoshi Suzuki, Katsumi Kurematsu, Toshikazu Ohnishi, Hideaki Mitsutake +3 more | 1994-12-13 |
| 5285298 | Color display apparatus | Shuzo Kaneko, Kazuo Yoshinaga, Kazuo Isaka, Takashi Kai | 1994-02-08 |
| 5272552 | Optical modulation device and method using modulation layer of helical polymer liquid crystal having a helical chiral smectic C phase | Kazuo Yoshinaga, Yutaka Kurabayashi, Kazuo Isaka, Shuzo Kaneko, Akihiro Mouri +2 more | 1993-12-21 |
| 5268783 | Liquid crystal device including a polymer having a surface energy of at most 25 dyn/cm, display apparatus using same and display method using same | Kazuo Yoshinaga, Toshikazu Ohnishi, Koichi Sato, Takeo Eguchi, Tsuyoshi Shibata | 1993-12-07 |
| 5258134 | Main chain-type chiral smectic polymer liquid crystal and polymer liquid crystal device | Kazuo Yoshinaga, Yutaka Kurabayashi, Koichi Sato, Takeo Eguchi | 1993-11-02 |
| 5252251 | Mesomorphic polymer, monomeric mesomorphic compounds, liquid crystal composition and liquid crystal device | Koichi Sato, Yutaka Kurabayashi, Kazuo Yoshinaga | 1993-10-12 |