Inventor
HIRAYAMA RYUICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “HIRAYAMA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CASIO COMPUTER CO LTD
3 patentsUS7511691B2Mar 31, 2009
Display drive device and display apparatus having same
CASIO COMPUTER CO LTD14 citations81
US7365592B2Apr 29, 2008
Power supply circuit
CASIO COMPUTER CO LTD6 citations60
US5089918AFeb 18, 1992
Magnetic recording and/or reproducing apparatus having single head with two gaps and providing different lead angles in different operating states
CASIO COMPUTER CO LTD3 citations57
HIRAYAMA RYUICHI
3 patentsUS8159435B2Apr 17, 2012
Active matrix type display device which compensates for an electrical potential variation caused by inter-pixel parasitic capacitance between two adjacent pixels connected to different signal lines
HIRAYAMA RYUICHI3 citations57
US8294655B2Oct 23, 2012
Display drive device and display apparatus having same
HIRAYAMA RYUICHI0 citations47
US8581893B2Nov 12, 2013
Liquid crystal display apparatus
HIRAYAMA RYUICHI0 citations36
TOPPAN PRINTING CO LTD
3 patentsUS10649249B2May 12, 2020
Liquid crystal driving apparatus and liquid crystal driving method
TOPPAN PRINTING CO LTD0 citations51
US11187931B2Nov 30, 2021
Polymer network liquid crystal display device and liquid crystal display method
TOPPAN PRINTING CO LTD0 citations49
US11143890B2Oct 12, 2021
Liquid crystal optical modulation device and liquid crystal optical modulation method
TOPPAN PRINTING CO LTD0 citations49