Inventor
NISHIKAWA KENICHI
JP51 patents
⚠️ This page may combine multiple inventors who share the name “NISHIKAWA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
16 patentsUS6160342ADec 12, 2000
Resistor-incorporated spark plug and manufacturing method of resistor-incorporated spark plug
NGK SPARK PLUG CO72 citations96
US5565157AOct 15, 1996
Method of making a spark plug insulator
NGK SPARK PLUG CO66 citations96
US5508582AApr 16, 1996
Spark plug insulator for use in internal combustion engine
NGK SPARK PLUG CO96 citations96
US6590318B2Jul 8, 2003
Spark plug having a reduced lead glaze layer on the insulator thereof
NGK SPARK PLUG CO26 citations93
US6334800B1Jan 1, 2002
Manufacturing method of resistor-incorporated spark plug
NGK SPARK PLUG CO29 citations93
US6188166B1Feb 13, 2001
Spark plug having a metal layer in a terminal metal piece
NGK SPARK PLUG CO19 citations93
US5859491AJan 12, 1999
Spark plug
NGK SPARK PLUG CO32 citations93
US6566792B2May 20, 2003
Spark plug
NGK SPARK PLUG CO28 citations92
US6771009B2Aug 3, 2004
Spark plug
NGK SPARK PLUG CO27 citations91
US6765340B2Jul 20, 2004
Spark plug
NGK SPARK PLUG CO9 citations74
US6744188B2Jun 1, 2004
Spark plug
NGK SPARK PLUG CO8 citations71
US7081274B2Jul 25, 2006
Method for producing spark plug
NGK SPARK PLUG CO4 citations63
US6831396B2Dec 14, 2004
Spark plug with glaze and marking
NGK SPARK PLUG CO2 citations63
US6831395B2Dec 14, 2004
Spark plug
NGK SPARK PLUG CO3 citations63
US6752677B2Jun 22, 2004
Method for producing spark plug
NGK SPARK PLUG CO5 citations63
US6590317B2Jul 8, 2003
Spark plug
NGK SPARK PLUG CO4 citations61
NITTO DENKO CORP
6 patentsUS9605189B2Mar 28, 2017
Pressure-sensitive adhesive composition
NITTO DENKO CORP5 citations73
US12115483B2Oct 15, 2024
Ventilation component
NITTO DENKO CORP1 citations62
US10392533B2Aug 27, 2019
Adhesive sheet
NITTO DENKO CORP1 citations61
US9605184B2Mar 28, 2017
Pressure-sensitive adhesive sheet
NITTO DENKO CORP0 citations50
US9896606B2Feb 20, 2018
Pressure-sensitive adhesive sheet and use thereof
NITTO DENKO CORP0 citations42
US10479058B2Nov 19, 2019
Pressure-sensitive adhesive sheet
NITTO DENKO CORP0 citations33
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
5 patentsUS5258592ANov 2, 1993
Waterproof switch apparatus for electronic device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD263 citations97
US5934453AAug 10, 1999
Key top holding structure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91
US6118411ASep 12, 2000
Loop antenna and antenna holder therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations89
US5898248AApr 27, 1999
Small motor holding device in individual calling receiver
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82
US6208730B1Mar 27, 2001
Key top attachment structure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations50
TDK CORP
5 patentsUS10020102B2Jul 10, 2018
R-T-B based permanent magnet and rotating machine
TDK CORP0 citations52
US9082537B2Jul 14, 2015
R-T-B based permanent magnet
TDK CORP0 citations52
US9548148B2Jan 17, 2017
R-T-B based sintered magnet
TDK CORP1 citations49
US9318244B2Apr 19, 2016
Soft magnetic powder core
TDK CORP0 citations49
US9631264B2Apr 25, 2017
Soft magnetic powder core
TDK CORP0 citations47
HITACHI LTD
4 patentsUS5761404AJun 2, 1998
Image-data managing apparatus
HITACHI LTD78 citations96
US5181260AJan 19, 1993
Method for determining the amount of skew of image, method for correcting the same, and image data processing system
HITACHI LTD87 citations96
US5129011AJul 7, 1992
Method and apparatus for retrieving image data
HITACHI LTD52 citations91
US6725221B2Apr 20, 2004
Image data transfer method and system therefor
HITACHI LTD16 citations82
FUJITSU LTD
3 patentsUS10009895B2Jun 26, 2018
Beamforming for selecting a transmitting direction based on feedback from a reception device
FUJITSU LTD4 citations73
US10008773B2Jun 26, 2018
Wireless communication apparatus, antenna directionality control method, and power supply circuit
FUJITSU LTD0 citations42
US9756453B2Sep 5, 2017
Wireless communication apparatus, wireless communication system, and channel estimating method
FUJITSU LTD0 citations40
SUMITOMO WIRING SYSTEMS
1 patentNIPPON TELEGRAPH & TELEPHONE
1 patentWASHIHIRA KENICHI
1 patentTOSHIBA KK
1 patentNGK SPARK PLUG LTD
1 patentARAKAWA CHEM IND
1 patentHAYAKAWA TAKUMA
1 patentKAO CORP
1 patentHONDA MOTOR CO LTD
1 patentJCU CORP
1 patentMATSUI AKIRA
1 patentShowing the top 50 of 51 patents by PatentIndex Score.