Assignee
TOSHIMA YASUMARO
JP·3 granted patents·0 citations·filing 2007–2012
Top patents by PatentIndex Score
3 records- 0144US9405042B2Light-shielding material for optical instrument and manufacturing method thereofTOSHIMA YASUMARO·Filed 2012·Granted Aug 2, 2016·0 cites·17 claims
- 0243US8059339B2Light diffusing sheet with binder of mixed acrylic and styrene-acrylic resinsTOSHIMA YASUMARO·Filed 2007·Granted Nov 15, 2011·0 cites·20 claims
- 0340US9383484B2Light-shielding material for optical instrumentTOSHIMA YASUMARO·Filed 2012·Granted Jul 5, 2016·0 cites·18 claims
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