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Patent applications and USPTO patent grants for Yusa; Koichi.The latest application filed is for "light modulation element unit and image projection apparatus".
Patent | Date |
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Light modulation element unit having a light modulating element and image projection apparatus for preventing foreign matters from adhering to light modulation element Grant 10,310,317 - Yusa , et al. | 2019-06-04 |
Projection display apparatus and image display system Grant 9,565,407 - Yusa , et al. February 7, 2 | 2017-02-07 |
Light Modulation Element Unit And Image Projection Apparatus App 20160337624 - Yusa; Koichi ;   et al. | 2016-11-17 |
Projection Display Apparatus And Image Display System App 20150381952 - Yusa; Koichi ;   et al. | 2015-12-31 |
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