Issued Patents All Time
Showing 76–100 of 125 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079127 | Optical recording medium and process for recording thereupon | Yoshihiro Oguchi, Yoshio Takasu | 1992-01-07 |
| 5079128 | Optical recording medium and process for recording thereupon | Yoshihiro Oguchi, Yoshio Takasu | 1992-01-07 |
| 5034152 | Optically active compound and liquid crystal composition containing same | Kenji Shinjo, Kazuo Yoshinaga | 1991-07-23 |
| 5034151 | Mesomorphic compound, ferroelectric liquid crystal composition containing same and ferroelectric liquid crystal device | Kenji Shinjo, Akio Yoshida, Takashi Iwaki, Takao Takiguchi, Hiroyuki Kitayama | 1991-07-23 |
| 4979805 | Ferroelectric liquid crystal device containing optically active azo or azoxy benzene type mesomorphic compound with extended life | Kazuo Yoshinaga | 1990-12-25 |
| 4904410 | Mesomorphic compound and liquid crystal composition containing same | Hiroyuki Nohira, Masanao Kamei, Shinichi Nakamura, Takashi Iwaki, Yoko Yamada | 1990-02-27 |
| 4883344 | Liquid crystal device having a modified polyvinyl alcohol alignment layer | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama +2 more | 1989-11-28 |
| 4882085 | Lactic acid derivative and liquid crystal composition containing same | Kazuo Yoshinaga, Akira Tsuboyama, Hiroyuki Kitayama, Kenji Shinjo, Chieko Hioki | 1989-11-21 |
| 4880560 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuo Yoshinaga, Kenji Shinjo | 1989-11-14 |
| 4876027 | Optically active composition, mesomorphic compound and liquid crystal device | Kazuo Yoshinaga, Toyoko Kobayashi, Kenji Shinjo | 1989-10-24 |
| 4873018 | Optically active compound, process for producing same and liquid crystal composition containing same | Hiroyuki Nohira, Masanao Kamei, Shinichi Nakamura, Kazuo Yoshinaga, Mariko Kai | 1989-10-10 |
| 4867903 | Fluoroalkane derivative | Hiroyuki Nohira, Masanao Kamei, Shinichi Nakamura | 1989-09-19 |
| 4844597 | Liquid crystal device utilizing chiral-smectic and nematic phases for thinner crystal layers | Kazuo Yoshinaga, Shinjiro Okada, Junichiro Kanbe | 1989-07-04 |
| 4820026 | Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama +2 more | 1989-04-11 |
| 4816178 | Optically active compound and liquid crystal composition containing same | Kenji Shinjo, Kazuo Yoshinaga | 1989-03-28 |
| 4812259 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuo Yoshinaga, Kenji Shinjo | 1989-03-14 |
| 4798680 | Optically active compound, process for producing same and liquid crystal composition containing same | Hiroyuki Nohira, Masanao Kamei, Shinichi Nakamura, Kazuo Yoshinaga, Mariko Kai | 1989-01-17 |
| 4781441 | Method of controlling orientation of liquid crystal, device used therein and liquid crystal device produced thereby | Junichiro Kanbe, Shinjiro Okada | 1988-11-01 |
| 4778259 | Ferroelectric liquid crystal devices having reverse twist angle and stable states resulting from A.C. excitation | Hiroyuki Kitayama, Akira Tsuboyama, Yutaka Inaba, Kenji Shinjo | 1988-10-18 |
| 4775223 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuo Yoshinaga | 1988-10-04 |
| 4775225 | Liquid crystal device having pillar spacers with small base periphery width in direction perpendicular to orientation treatment | Akira Tsuboyama, Hitoshi Shindo, Junichiro Kanbe | 1988-10-04 |
| 4763995 | Spacers with alignment effect and substrates having a weak alignment effect | Shuzo Kaneko | 1988-08-16 |
| 4738908 | Photothermal transducing type of recording medium | Yoshihiro Oguchi, Yoshio Takasu | 1988-04-19 |
| 4721367 | Liquid crystal device | Kazuo Yoshinaga, Akira Tsuboyama, Osamu Taniguchi | 1988-01-26 |
| 4720173 | Display having an orientation treatment between 0.degree. and 15.degree. to the spacer wall | Shinjiro Okada, Junichiro Kanbe | 1988-01-19 |