Inventor
ITOGA TOSHIHIKO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “ITOGA TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS7323716B2Jan 29, 2008
Manufacturing method of thin film transistor substrate
HITACHI LTD21 citations92
US7133086B2Nov 7, 2006
Image display and manufacturing method of the same including a thin film transistor and a storage capacitor
HITACHI LTD20 citations92
US6864134B1Mar 8, 2005
Manufacturing method of thin film transistor substrate
HITACHI LTD41 citations92
US7342615B2Mar 11, 2008
Image display and manufacturing method of the same
HITACHI LTD12 citations84
US6815717B2Nov 9, 2004
Thin-film transistor and method of manufacturing the same
HITACHI LTD7 citations73
US6767760B2Jul 27, 2004
Process of manufacturing a thin-film transistor
HITACHI LTD8 citations73
US6657227B2Dec 2, 2003
Transistor with thin film active region having clusters of different crystal orientation
HITACHI LTD10 citations73
US6479867B2Nov 12, 2002
Thin film transistor
HITACHI LTD6 citations63
US7227186B2Jun 5, 2007
Thin film transistor and method of manufacturing the same
HITACHI LTD3 citations62
US6903371B2Jun 7, 2005
Thin film transistor and display using the same
HITACHI LTD0 citations51
US6716688B2Apr 6, 2004
Irradiation of manufacturing a thin film transistor by laser irradiation
HITACHI LTD0 citations51
JAPAN DISPLAY INC
11 patentsUS9537013B2Jan 3, 2017
Display device including tapered substrate
JAPAN DISPLAY INC3 citations72
US12501834B2Dec 16, 2025
Semiconductor device
JAPAN DISPLAY INC0 citations62
US11217646B2Jan 4, 2022
Semiconductor device including a flexible substrate
JAPAN DISPLAY INC0 citations62
US10566400B2Feb 18, 2020
Flexible semiconductor device and flexible display device
JAPAN DISPLAY INC1 citations62
US10374023B2Aug 6, 2019
Flexible display device
JAPAN DISPLAY INC0 citations51
US9972667B2May 15, 2018
Display device
JAPAN DISPLAY INC0 citations51
US9837475B2Dec 5, 2017
Display device
JAPAN DISPLAY INC0 citations51
US9685631B2Jun 20, 2017
Display device including tapered substrate
JAPAN DISPLAY INC0 citations51
US10355249B2Jul 16, 2019
Organic electro-luminescence display device and manufacturing method of an organic electro-luminescence display device
JAPAN DISPLAY INC0 citations43
US10586839B2Mar 10, 2020
Flexible display device
JAPAN DISPLAY INC0 citations41
US9525154B2Dec 20, 2016
Display device
JAPAN DISPLAY INC0 citations40
HITACHI DISPLAYS LTD
8 patentsUS7557376B2Jul 7, 2009
Display device using first and second semiconductor films of different crystallinity and boundary section therebetween
HITACHI DISPLAYS LTD4 citations63
US7671370B2Mar 2, 2010
Display device and fabrication method thereof
HITACHI DISPLAYS LTD2 citations62
US7535024B2May 19, 2009
Display device and fabrication method thereof
HITACHI DISPLAYS LTD4 citations62
US7180095B2Feb 20, 2007
Display device and manufacturing method thereof
HITACHI DISPLAYS LTD2 citations62
US7524685B2Apr 28, 2009
Manufacturing method of a display device
HITACHI DISPLAYS LTD0 citations52
US7727784B2Jun 1, 2010
Display device and fabrication method thereof
HITACHI DISPLAYS LTD0 citations51
US7456433B2Nov 25, 2008
Display device and fabrication method thereof
HITACHI DISPLAYS LTD0 citations51
US7407853B2Aug 5, 2008
Display device and manufacturing method of the same
HITACHI DISPLAYS LTD1 citations51