Inventor
ICHIKAWA AKIRA
JP97 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS5887069AMar 23, 1999
Sign recognition apparatus and method and sign translation system using same
HITACHI LTD151 citations99
US5544050AAug 6, 1996
Sign language learning system and method
HITACHI LTD152 citations99
US5185848AFeb 9, 1993
Noise reduction system using neural network
HITACHI LTD73 citations96
US5040215AAug 13, 1991
Speech recognition apparatus using neural network and fuzzy logic
HITACHI LTD57 citations96
US5384891AJan 24, 1995
Vector quantizing apparatus and speech analysis-synthesis system using the apparatus
HITACHI LTD58 citations95
US4975957ADec 4, 1990
Character voice communication system
HITACHI LTD75 citations95
US4473904ASep 25, 1984
Speech information transmission method and system
HITACHI LTD69 citations95
US4227046AOct 7, 1980
Pre-processing system for speech recognition
HITACHI LTD40 citations93
US5179624AJan 12, 1993
Speech recognition apparatus using neural network and fuzzy logic
HITACHI LTD28 citations92
US5119424AJun 2, 1992
Speech coding system using excitation pulse train
HITACHI LTD44 citations92
US5077798ADec 31, 1991
Method and system for voice coding based on vector quantization
HITACHI LTD39 citations92
US4776015AOct 4, 1988
Speech analysis-synthesis apparatus and method
HITACHI LTD38 citations92
US4590605AMay 20, 1986
Method for production of speech reference templates
HITACHI LTD47 citations92
US4283601AAug 11, 1981
Preprocessing method and device for speech recognition device
HITACHI LTD38 citations92
US4088838AMay 9, 1978
Voice response system
HITACHI LTD32 citations92
US4559604ADec 17, 1985
Pattern recognition method
HITACHI LTD41 citations87
US4489433ADec 18, 1984
Speech information transmission method and system
HITACHI LTD17 citations81
US4401849AAug 30, 1983
Speech detecting method
HITACHI LTD22 citations81
DENSO CORP
12 patentsUS6898927B2May 31, 2005
Emission control system with catalyst warm-up speeding control
DENSO CORP99 citations97
US6279390B1Aug 28, 2001
Thermostat malfunction detecting system for engine cooling system
DENSO CORP73 citations97
US6725710B2Apr 27, 2004
Thermostat malfunction detecting system for engine cooling system
DENSO CORP23 citations96
US6679110B2Jan 20, 2004
Thermostat malfunction detecting system for engine cooling system
DENSO CORP32 citations96
US6386022B1May 14, 2002
Thermostat malfunction detecting system for engine cooling system
DENSO CORP28 citations96
US5728941AMar 17, 1998
Misfire detecting apparatus using difference in engine rotation speed variance
DENSO CORP60 citations96
US7743651B2Jun 29, 2010
Method for detecting malfunction of a cooling system based on detected coolant temperature
DENSO CORP12 citations93
US7363804B2Apr 29, 2008
Method for detecting malfunction of a cooling system based on detected coolant temperature
DENSO CORP12 citations93
US7010967B2Mar 14, 2006
Thermostat malfunction detecting system for engine cooling system
DENSO CORP12 citations93
US6957570B2Oct 25, 2005
Thermostat malfunction detecting system for engine cooling system
DENSO CORP11 citations82
US7137295B2Nov 21, 2006
Thermostat malfunction detecting system for engine cooling system
DENSO CORP4 citations74
US7047799B2May 23, 2006
Thermostat malfunction detecting system for engine cooling system
DENSO CORP6 citations74
ASAHI RUBBER INC
4 patentsUS6521915B2Feb 18, 2003
Light-emitting diode device
ASAHI RUBBER INC189 citations98
US6319425B1Nov 20, 2001
Transparent coating member for light-emitting diodes and a fluorescent color light source
ASAHI RUBBER INC192 citations98
US6798467B2Sep 28, 2004
Liquid crystal display device and a method for producing the same
ASAHI RUBBER INC23 citations92
US10533094B2Jan 14, 2020
Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrate
ASAHI RUBBER INC5 citations82
RICOH KK
4 patentsUS6500536B1Dec 31, 2002
Heat activatable adhesive composition and adhesive sheet having adhesive layer thereof
RICOH KK54 citations96
US6501495B1Dec 31, 2002
Heat activating and thermosensitive recording for thermosensitive adhesive label
RICOH KK60 citations96
US6731319B2May 4, 2004
Heat activating and thermosensitive recording for thermosensitive adhesive label
RICOH KK22 citations92
US6043190AMar 28, 2000
Thermosensitive recording label
RICOH KK30 citations92
HONDA MOTOR CO LTD
3 patentsUS5113185AMay 12, 1992
Current location indication apparatus for use in an automotive vehicle
HONDA MOTOR CO LTD110 citations96
US4963865AOct 16, 1990
Apparatus for displaying travel path
HONDA MOTOR CO LTD98 citations96
US4470124ASep 4, 1984
Method of adjusting the zero-point of rate type sensor
HONDA MOTOR CO LTD44 citations90
NIPPON DENSO CO
3 patentsUS5440922AAug 15, 1995
Apparatus for detecting misfire in internal combustion engines for vehicles
NIPPON DENSO CO28 citations93
US5539644AJul 23, 1996
System for detecting misfire in a multi-cylinder internal combustion engine
NIPPON DENSO CO51 citations92
US5263364ANov 23, 1993
Apparatus for detecting misfire in multicylinder internal combustion engines
NIPPON DENSO CO45 citations92
MITSUBISHI ELECTRIC CORP
1 patentLINTEC CORP
1 patentTOYOTA MOTOR CO LTD
1 patentALPS ELECTRIC CO LTD
1 patentTASAKI MASUTSUGU
1 patentAGENCY IND SCIENCE TECHN
1 patentShowing the top 50 of 97 patents by PatentIndex Score.