Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982014 | Tetrapeptide compound and method for producing same | Akira Nishiyama, Masaru Mitsuda | 2018-05-29 |
| 9096523 | Process for preparing cyclic amine compounds | Akira Nishiyama | 2015-08-04 |
| 7052370 | High-precision machining system | Tomoaki Nakasuji, Masahiko Hasegawa | 2006-05-30 |
| 6654082 | Liquid crystal display element and color display device having particular transflector | Yuji Sohda, Masao Ozeki, Toshihiko Suzuki | 2003-11-25 |
| 6592430 | High-precision machining system | Tomoaki Nakasuji, Masahiko Hasegawa | 2003-07-15 |
| 6346774 | Method of driving passive matrix liquid crystal display | Kiyoshi Tamai, Makoto Nagai, Akira Nakazawa, Masakazu Kitamura | 2002-02-12 |
| 6144373 | Picture display device and method of driving picture display device | Akira Nakazawa, Kazuyoshi Kawaguchi | 2000-11-07 |
| 6122021 | Liquid crystal display element and a projection type liquid crystal display apparatus | Satoshi Niiyama, Tomoki Gunjima, Masanori Yuki, Masaya Kunigita, Yukio Yoshikawa +1 more | 2000-09-19 |
| 6017466 | Liquid crystal optical element, liquid crystal display element and a projection type liquid crystal display apparatus | Yohsuke Fujino, Satoshi Niiyama | 2000-01-25 |
| 6018378 | Liquid crystal/polymer composite with high optical anisotropy and low dielectric anisotropy to lower hysteresis exhibiting transparent and light scattering states | Satoshi Niiyama, Tomoki Gunjima, Masanori Yuki, Masaya Kunigita, Yukio Yoshikawa +1 more | 2000-01-25 |
| 5953002 | Driving method for a liquid crystal display device | Akira Nakazawa, Makoto Nagai, Takeshi Kuwata, Hiroyuki Motegi, Kazuyoshi Kawaguchi | 1999-09-14 |
| 5900857 | Method of driving a liquid crystal display device and a driving circuit for the liquid crystal display device | Takeshi Kuwata, Kazuyoshi Kawaguchi | 1999-05-04 |
| 5838404 | Display device with optical member having two parts in overlay relation to reflect light incident at particular angle | Masao Ozeki, Yoshiharu Ooi | 1998-11-17 |
| 5831586 | Method of driving a picture display device | Akira Nakazawa, Makoto Nagai, Takeshi Kuwata | 1998-11-03 |
| 5774101 | Multiple line simultaneous selection method for a simple matrix LCD which uses temporal and spatial modulation to produce gray scale with reduced crosstalk and flicker | Makoto Nagai, Akira Nakazawa, Kazuyoshi Kawaguchi, Takeshi Kuwata | 1998-06-30 |
| 5754260 | Projection type color liquid crystal optical apparatus | Yoshiharu Ooi, Tsuneo Wakabayashi, Shigeyuki Serizawa, Yoshiyuki Sonda, Masaya Kunigita | 1998-05-19 |
| 5734364 | Method of driving a picture display device | Akira Nakazawa, Makoto Nagai, Takeshi Kuwata | 1998-03-31 |
| 5648860 | Projection type color liquid crystal optical apparatus | Yoshiharu Ooi, Tsuneo Wakabayashi, Shigeyuki Serizawa, Yoshiyuki Sonda, Masaya Kunigita | 1997-07-15 |
| 5386306 | Active matrix liquid crystal display element and projection type active matrix liquid crystal display device | Tomoki Gunjima, Masanori Yuki, Masaya Kunigita, Yukio Yoshikawa, Eiji Shidoji | 1995-01-31 |
| 5379137 | Liquid crystal display element and a projection type liquid crystal display apparatus | Satoshi Niiyama, Tomoki Gunjima | 1995-01-03 |
| 5331446 | Liquid crystal optical element and a laser projection apparatus using polymer dispersed liquid crystal | Hiroshi Kumai, Takehiko Nishiyama, Satoshi Niiyama, Tsuneo Wakabayashi | 1994-07-19 |
| 5283675 | Liquid crystal display element with electrode having concave-convex surface at liquid crystal side | Yoshiharu Ooi, Satoshi Niiyama, Tsuneo Wakabayashi | 1994-02-01 |
| 5274480 | Projection type display apparatus having an aperture stop means including non-circular openings | Yoshiharu Ooi, Tomoki Gunjima | 1993-12-28 |
| 5264953 | Liquid crystal display apparatus for providing a gray scale and a projection type liquid crystal display apparatus | Masaya Kunigita, Tomoki Gunjima | 1993-11-23 |
| 5235445 | Liquid crystal optical element with liquid crystal in polymer matrix with particular modulus of elasticity | Satoshi Niiyama, Hiroshi Kumai, Tomoki Gunjima | 1993-08-10 |