Assignee
YAMAMOTO HITOSHI
US13 patents
Top patents by PatentIndex Score
US9601708B2Mar 21, 2017
Organic light emitting device and materials for use in same
YAMAMOTO HITOSHI14 citations84
US8583436B2Nov 12, 2013
Word category estimation apparatus, word category estimation method, speech recognition apparatus, speech recognition method, program, and recording medium
YAMAMOTO HITOSHI10 citations82
US8174755B2May 8, 2012
Microcapsules for electrophoretic display devices, and processes for their production, and their applications
YAMAMOTO HITOSHI14 citations81
US9966541B2May 8, 2018
Biscarbazole derivative host materials and green emitter for OLED emissive region
YAMAMOTO HITOSHI4 citations73
US8781837B2Jul 15, 2014
Speech recognition system and method for plural applications
YAMAMOTO HITOSHI6 citations73
US8238020B2Aug 7, 2012
Electrophoretic display sheet productions process, electrophoretic display sheet, electrophoretic display device, and electronic apparatus
YAMAMOTO HITOSHI6 citations73
US9043209B2May 26, 2015
Language model creation device
YAMAMOTO HITOSHI4 citations71
US8751226B2Jun 10, 2014
Learning a verification model for speech recognition based on extracted recognition and language feature information
YAMAMOTO HITOSHI5 citations71
US9009513B2Apr 14, 2015
Multiprocessor for providing timers associated with each of processor cores to determine the necessity to change operating frequency and voltage for per core upon the expiration of corresponding timer
YAMAMOTO HITOSHI5 citations70
US8427735B2Apr 23, 2013
Electrophoretic display sheet, electrophoretic display, method for producing electrophoretic display, and electronic apparatus
YAMAMOTO HITOSHI2 citations63
US9705092B2Jul 11, 2017
Phosphorescent organic light emitting devices combined with hole transport material having high operating stability
YAMAMOTO HITOSHI1 citations48
US8941099B2Jan 27, 2015
Organic light emitting device and materials for use in same
YAMAMOTO HITOSHI0 citations42
US8526099B2Sep 3, 2013
Method for manufacturing microcapsules, and microcapsule, electrophoretic device and electric apparatus
YAMAMOTO HITOSHI0 citations35