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Patent applications and USPTO patent grants for YAKUSHIJI; Kenichi.The latest application filed is for "liquid crystal filter, retardation film, and optical low-pass filter".
Patent | Date |
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Liquid Crystal Filter, Retardation Film, And Optical Low-pass Filter App 20110242478 - YAKUSHIJI; Kenichi ;   et al. | 2011-10-06 |
Transmission type screen using a fly-eye lens Grant 7,236,300 - Yakushiji , et al. June 26, 2 | 2007-06-26 |
Laser ablation apparatus, processing method, and mask therefor App 20070138152 - Yakushiji; Kenichi ;   et al. | 2007-06-21 |
Rear projection display screen App 20070091436 - Aoki; Yuichi ;   et al. | 2007-04-26 |
Rear projection screen App 20060126173 - Yakushiji; Kenichi ;   et al. | 2006-06-15 |
Rear projection screen App 20060103931 - Yakushiji; Kenichi ;   et al. | 2006-05-18 |
Transmission type screen and manufacturing method of the same App 20060082886 - Yakushiji; Kenichi ;   et al. | 2006-04-20 |
Transmission type screen App 20050162753 - Yakushiji, Kenichi ;   et al. | 2005-07-28 |
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