Tokyo
Japan
7
2023-10-26
The entities that hold a legal rights for patent applications filed by inventor OKI Yoji:
Yoji OKI from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Light guide plate, lighting apparatus, and display apparatus
#2 | 2023-01-19Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets
#3 | 2019-12-05Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets
#4 | 2017-01-26Surface light source device and prism sheet
#5 | 2012-06-28Surface light source device and LCD unit
#6 | 2011-09-22Surface light source device
#7 | 2010-05-06Surface light source device and LCD unit
1780491 ⎘