Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425672 | Reflecting mirror and film and television receiver | Takehiko Yamashita, Hirokazu Sakaguchi | 2002-07-30 |
| 6264341 | Reflecting mirror and film and television receiver | Takehiko Yamashita, Hirokazu Sakaguchi | 2001-07-24 |
| 6203162 | Reflecting mirror and film and television receiver | Takehiko Yamashita, Hirokazu Sakaguchi | 2001-03-20 |
| 5914809 | Permeable screen and its manufacturing method | Satoshi Aoki, Hitoshi Mukai | 1999-06-22 |
| 5831585 | Light transmission screen | Satoshi Aoki, Hirokazu Sakaguchi | 1998-11-03 |
| 5824174 | Light transmission screen and its manufacturing method | Hirokazu Sakaguchi, Satoshi Aoki | 1998-10-20 |
| 5815313 | Light transmission screen and its manufacturing method | Hirokazu Sakaguchi, Satoshi Aoki | 1998-09-29 |
| 5724182 | Optical sheet and a light transmission screen using the same | Hirokazu Sakaguchi, Satoshi Aoki | 1998-03-03 |
| 5699131 | Light transmission type screen assembly | Satoshi Aoki | 1997-12-16 |
| 5661600 | Transmission type screen and method of manufacturing thereof | Noboru Yasumatsuya, Ichiro Matsuzaki, Hiroshi Kuwada | 1997-08-26 |
| 5612085 | Lens holder and method for making a thin film | Masayuki Takahashi, Syunsuke Kimura | 1997-03-18 |
| 5581407 | Permeable screen and its manufacturing method | Satoshi Aoki, Hitoshi Mukai | 1996-12-03 |
| 5434706 | Transmission type screen and method of manufacturing thereof | Noboru Yasumatsuya, Ichiro Matsuzaki, Hiroshi Kuwada | 1995-07-18 |
| 5353070 | Lens holder which reduces internal reflections | Masayuki Takahashi, Syunsuke Kimura | 1994-10-04 |
| 5296922 | Projection television with a wavelength-selection-type rear projection screen | Noboru Yasumatsuya, Yoshiki Tsujita | 1994-03-22 |
| 5184224 | Television projection screen having anti-static elements | Toshiaki Matsumura, Noboru Yasumatsuya | 1993-02-02 |
| 4982289 | Liquid cooled cathode ray tube apparatus for video projection system | Isao Matsuda | 1991-01-01 |
| 4840471 | X-ray shielded projection lens | Hideki Ishinaga | 1989-06-20 |
| 4519763 | Apparatus for injection compression molding | Shunsuke Matsuda, Hironori Yoda, Kesaji Nishizawa | 1985-05-28 |