Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7832871 | Optical equipment with at least first and second ventilation paths | Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda | 2010-11-16 |
| 7441904 | Projection type display apparatus with ventilation | Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda | 2008-10-28 |
| 7341354 | Display device and display optical system unit | Mikio Shiraishi, Yasuo Ohtsuka, Toru Numata | 2008-03-11 |
| 7175284 | Projection type display apparatus | Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda | 2007-02-13 |
| 7152978 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2006-12-26 |
| 7128422 | Display device and display optical system unit | Mikio Shiraishi, Yasuo Ohtsuka, Toru Numata | 2006-10-31 |
| 7021768 | Optical apparatus | Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda | 2006-04-04 |
| 6935750 | Display device and display optical system unit | Mikio Shiraishi, Yasuo Ohtsuka, Toru Numata | 2005-08-30 |
| 6857749 | Projection type display apparatus | Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda | 2005-02-22 |
| 6824273 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2004-11-30 |
| 6796660 | Display optical unit and display apparatus using this unit | Mikio Shiraishi, Nobuyuki Kaku, Fukuyasu Abe, Nobuo Masuoka, Tatsuo Morita | 2004-09-28 |
| 6783245 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2004-08-31 |
| 6779894 | Display device and display optical system unit | Mikio Shiraishi, Yasuo Ohtsuka, Toru Numata | 2004-08-24 |
| 6595645 | Display optical unit and display apparatus using this unit | Mikio Shiraishi, Nobuyuki Kaku, Fukuyasu Abe, Nobuo Masuoka, Tatsuo Morita | 2003-07-22 |
| 6582083 | Display device and display optical system unit | Mikio Shiraishi, Yasuo Ohtsuka, Toru Numata | 2003-06-24 |
| 6431710 | Optical apparatus | Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda | 2002-08-13 |
| 6394608 | Display device and display optical system unit | Mikio Shiraishi, Yasuo Ohtsuka, Toru Numata | 2002-05-28 |
| 6334686 | Display optical unit and display apparatus | Mikio Shiraishi, Nobuyuki Kaku, Fukuyasu Abe, Nobuo Masuoka, Tatsuo Morita | 2002-01-01 |
| 6290360 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2001-09-18 |
| 6280038 | Optical equipment | Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda | 2001-08-28 |
| 5598133 | Ladder filter containing piezoresonator with conductive elastic sheet | — | 1997-01-28 |
| 5291351 | Magnetic recording/reproducing apparatus | Kouhei Takita, Yoshiyuki Tanaka, Hironori Saitoh, Kyuichirou Nagai, Tatsumi Nishijima +2 more | 1994-03-01 |