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Patent applications and USPTO patent grants for SADAHIRO; Tetsuya.The latest application filed is for "light-guide plate, area light source device, display device, manufacturing method for light guide plate".
Patent | Date |
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Light-guide Plate, Area Light Source Device, Display Device, Manufacturing Method For Light Guide Plate App 20210088710 - KOMIZO; Kohei ;   et al. | 2021-03-25 |
Reflection screen and image display system Grant 9,285,669 - Sadahiro , et al. March 15, 2 | 2016-03-15 |
Reflection screen and image display system Grant 9,030,736 - Sadahiro , et al. May 12, 2 | 2015-05-12 |
Reflection Screen And Image Display System App 20150077849 - SADAHIRO; Tetsuya ;   et al. | 2015-03-19 |
Optical sheet and display device Grant 8,891,169 - Kashiwagi , et al. November 18, 2 | 2014-11-18 |
Surface light source device, optical member, and display device Grant 8,696,187 - Goto , et al. April 15, 2 | 2014-04-15 |
Reflection Screen And Image Display System App 20140092471 - SADAHIRO; Tetsuya ;   et al. | 2014-04-03 |
Transmission screen for interactive board Grant 8,634,136 - Ogawa , et al. January 21, 2 | 2014-01-21 |
Surface Light Source Device, Optical Member, And Display Device App 20120020081 - Goto; Masahiro ;   et al. | 2012-01-26 |
Optical Sheet And Display Device App 20110216416 - Kashiwagi; Tsuyoshi ;   et al. | 2011-09-08 |
Transmission Screen For Interactive Board App 20110122493 - Ogawa; Kazunobu ;   et al. | 2011-05-26 |
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