Inventor
NASU HIROAKI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “NASU HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
14 patentsUS6528929B1Mar 4, 2003
Spark plug with iridium-based alloy chip
NGK SPARK PLUG CO28 citations92
US6121719ASep 19, 2000
Spark plug having a multi-layered electrode
NGK SPARK PLUG CO43 citations92
US6236148B1May 22, 2001
Spark plug with specific metal shell coating
NGK SPARK PLUG CO18 citations91
US6768249B1Jul 27, 2004
Spark plug and producing method therefor
NGK SPARK PLUG CO13 citations84
US6846416B2Jan 25, 2005
Process for treating chromate waste liquid
NGK SPARK PLUG CO7 citations74
US7122947B2Oct 17, 2006
Glow plug and spark plug, and manufacturing method therefor
NGK SPARK PLUG CO7 citations72
US6437493B2Aug 20, 2002
Glow plug and spark plug, and manufacturing method therefor
NGK SPARK PLUG CO5 citations72
US6538365B2Mar 25, 2003
Metal member with chromate coat, spark plug with chromate coat and manufacturing methods thereof
NGK SPARK PLUG CO12 citations71
US8704434B2Apr 22, 2014
Spark plug and method of manufacturing the same
NGK SPARK PLUG CO5 citations69
US8946976B2Feb 3, 2015
Spark plug
NGK SPARK PLUG CO2 citations62
US8593046B2Nov 26, 2013
Spark plug having a novel nickel coating for the metal shell
NGK SPARK PLUG CO3 citations62
US6688932B2Feb 10, 2004
Method for manufacturing spark plug and caulking metallic mold
NGK SPARK PLUG CO3 citations61
US6838809B2Jan 4, 2005
Chromate film-containing plug metal component and method for producing the same
NGK SPARK PLUG CO0 citations52
US6791245B2Sep 14, 2004
Glow plug and spark plug, and manufacturing method therefor
NGK SPARK PLUG CO0 citations51
SEIKO EPSON CORP
9 patentsUS6088262AJul 11, 2000
Semiconductor device and electronic equipment having a non-volatile memory with a security function
SEIKO EPSON CORP161 citations99
US6411550B1Jun 25, 2002
Semiconductor integrated-circuit device
SEIKO EPSON CORP25 citations92
US7420604B2Sep 2, 2008
Image-processing device with image-pickup validity indication and processing method thereof
SEIKO EPSON CORP9 citations84
US6388924B1May 14, 2002
Semiconductor integrated device and electronic apparatus mounted with the device
SEIKO EPSON CORP14 citations84
US5548696AAug 20, 1996
Image processing apparatus
SEIKO EPSON CORP14 citations74
US7492402B2Feb 17, 2009
Image-processing device, image-processing method and solid-state image pickup device
SEIKO EPSON CORP6 citations63
US7080785B2Jul 25, 2006
Image-processing device, image-processing method and solid-state image-pickup device
SEIKO EPSON CORP6 citations63
US6766408B2Jul 20, 2004
Semiconductor integrated circuit and method for writing into non-volatile memory using a program received by external communication
SEIKO EPSON CORP5 citations63
US5309560AMay 3, 1994
Data selection device
SEIKO EPSON CORP6 citations62
NASU HIROAKI
3 patentsUS8421324B2Apr 16, 2013
Spark plug, metal shell for spark plug, and method of manufacturing spark plug
NASU HIROAKI4 citations60
US8716924B2May 6, 2014
Spark plug having stress corrosion cracking resistance
NASU HIROAKI2 citations59
US8853927B2Oct 7, 2014
Spark plug, and main metal fitting for spark plug
NASU HIROAKI0 citations49
HITACHI LTD
3 patentsUS12056166B2Aug 6, 2024
System and method for supporting corporate business
HITACHI LTD0 citations52
US11715055B2Aug 1, 2023
Manufacture and sales strategy planning method and device thereof
HITACHI LTD0 citations42
US10303810B2May 28, 2019
Problem structure extraction support system, problem structure extraction support method, and program
HITACHI LTD0 citations32