Inventor
WAKAGI MASATOSHI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “WAKAGI MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
30 patentsUS6300988B1Oct 9, 2001
Liquid crystal display apparatus having patterned insulating layer formed over a substrate except for a region on the gate electrode
HITACHI LTD137 citations99
US6828582B1Dec 7, 2004
Thin film transistor, display device and their production
HITACHI LTD71 citations98
US6507383B1Jan 14, 2003
In-plane switching liquid crystal display apparatus with reduced capacitance between pixel electrodes and common electrodes
HITACHI LTD95 citations98
US6356330B1Mar 12, 2002
Active matrix liquid crystal display device
HITACHI LTD93 citations98
US6184946B1Feb 6, 2001
Active matrix liquid crystal display
HITACHI LTD88 citations98
US6600524B1Jul 29, 2003
Active matrix type liquid crystal display apparatus with silicon oxide at different portions
HITACHI LTD66 citations96
US6704085B2Mar 9, 2004
Liquid crystal display apparatus having superimposed portion of common signal electrode, data signal wiring and scanning wiring via insulator
HITACHI LTD58 citations95
US7145176B2Dec 5, 2006
Active matrix display device
HITACHI LTD34 citations93
US7102155B2Sep 5, 2006
Electrode substrate, thin film transistor, display device and their production
HITACHI LTD15 citations93
US7382432B2Jun 3, 2008
Liquid crystal display device
HITACHI LTD10 citations92
US7045816B2May 16, 2006
Liquid crystal display apparatus
HITACHI LTD15 citations92
US6593977B2Jul 15, 2003
IC card apparatus having patterned insulating layer formed between gate insulating film and semiconductor layer except for channel region and method of manufacture
HITACHI LTD31 citations92
US6441880B1Aug 27, 2002
Normally closed liquid crystal display device using spacers coated with material having liquid crystal aligning ability by irradiation with polarized light
HITACHI LTD29 citations92
US6300995B1Oct 9, 2001
Liquid crystal display device utilizing in-plane-switching system and having alignment film separating picture element electrode or counter electrode from liquid crystal layer
HITACHI LTD17 citations92
US5995187ANov 30, 1999
Liquid crystal display device in-plane-switching system with counter electrode in contact with liquid crystal
HITACHI LTD25 citations92
US5777702AJul 7, 1998
Liquid crystal display device and method of fabricating the same by patterning semiconductor, insulator, and gatelines with single mask
HITACHI LTD32 citations92
US5204202AApr 20, 1993
Electrophotographic photosensitive element comprising a protective layer with a porous surface impregnated with lubricant
HITACHI LTD24 citations90
US5252418AOct 12, 1993
Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same
HITACHI LTD20 citations82
US7521716B2Apr 21, 2009
Electrode substrate, thin-film transistor, display and its production method
HITACHI LTD7 citations74
US5073466ADec 17, 1991
Electrophotographic member containing a fluorine-containing lubricating agent and process for producing the same
HITACHI LTD12 citations72
US8026535B2Sep 27, 2011
Thin film transistor and organic electroluminescence display using the same
HITACHI LTD3 citations63
US7738069B2Jun 15, 2010
Liquid crystal display device
HITACHI LTD1 citations63
US7655947B2Feb 2, 2010
Thin film transistor used as a switching element in an active matrix type liquid crystal display device
HITACHI LTD2 citations63
US7407846B2Aug 5, 2008
Thin film transistor, display device and their production
HITACHI LTD3 citations63
US7394095B2Jul 1, 2008
Electrode substrate, thin film transistor, display device and their production
HITACHI LTD3 citations63
US7202496B2Apr 10, 2007
Thin film transistor, display device and their production
HITACHI LTD2 citations63
US7112500B2Sep 26, 2006
Thin film transistor, liquid crystal display and manufacturing method thereof
HITACHI LTD2 citations63
US6757044B2Jun 29, 2004
Liquid crystal display device with spacers controlling thickness of liquid crystal layer
HITACHI LTD5 citations60
US7542121B2Jun 2, 2009
Liquid crystal display device
HITACHI LTD0 citations52
US8344382B2Jan 1, 2013
Semiconductor device, manufacturing method thereof, and display apparatus using the semiconductor device
HITACHI LTD0 citations51
JAPAN DISPLAY INC
5 patentsUS10018859B2Jul 10, 2018
Liquid crystal display device
JAPAN DISPLAY INC3 citations84
US9715132B2Jul 25, 2017
Liquid crystal display device
JAPAN DISPLAY INC3 citations84
US10823992B2Nov 3, 2020
Liquid crystal display device
JAPAN DISPLAY INC0 citations52
US10466519B2Nov 5, 2019
Liquid crystal display device
JAPAN DISPLAY INC0 citations52
US9097922B2Aug 4, 2015
Liquid crystal display device
JAPAN DISPLAY INC0 citations52