Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6229646 | Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit | Hideaki Mitsutake, Noritaka Mochizuki, Shigeru Kawasaki, Kazumi Kimura | 2001-05-08 |
| 5692819 | Illuminating device and projector utilizing the same | Hideaki Mitsutake, Kohtaro Yano, Shigeru Kawasaki, Kazumi Kimura | 1997-12-02 |
| 5615025 | Optical modulation device having different pretilts in the compensation cell(s) | Shuzo Kaneko, Hideaki Mitsutake | 1997-03-25 |
| 5568287 | Liquid crystal device with optical means of high refractive index at pixels and low refractive index between pixels | Shuzo Kaneko, Katsumi Kurematsu, Hideaki Mitsutake | 1996-10-22 |
| 5566367 | Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit | Hideaki Mitsutake, Noritaka Mochizuki, Shigeru Kawasaki, Kazumi Kimura | 1996-10-15 |
| 5495351 | Liquid crystal device with two monostable liquid crystal cells | Shuzo Kaneko, Katsumi Kurematsu, Hideaki Mitsutake | 1996-02-27 |
| 5461500 | Polarization converting apparatus and optical instrument having the same | Sadahiko Tsuji, Hidetoshi Suzuki, Hideaki Mitsutake, Katsumi Kurematsu, Noritaka Mochizuki +3 more | 1995-10-24 |
| 5381278 | Polarization conversion unit, polarization illumination apparatus provided with the unit, and projector provided with the apparatus | Hideaki Mitsutake, Kazumi Kimura | 1995-01-10 |
| 5257123 | Ferroelectric liquid crystal device with temperature compensation by rotation of compensator | Hideaki Mitsutake | 1993-10-26 |