Inventor
YOSHIMOTO OSAMU
JP42 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMOTO OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
17 patentsUS6864622B2Mar 8, 2005
Spark plug
NGK SPARK PLUG CO17 citations91
US7382084B2Jun 3, 2008
Spark plug having a precious metal tip
NGK SPARK PLUG CO13 citations84
US7336024B2Feb 26, 2008
Spark plug
NGK SPARK PLUG CO11 citations84
US7288879B2Oct 30, 2007
Spark plug having ground electrode including precious metal alloy portion containing first, second and third components
NGK SPARK PLUG CO10 citations84
US7279827B2Oct 9, 2007
Spark plug with electrode including precious metal
NGK SPARK PLUG CO14 citations84
US7164225B2Jan 16, 2007
Small size spark plug having side spark prevention
NGK SPARK PLUG CO18 citations84
US7131191B2Nov 7, 2006
Method for manufacturing noble metal electric discharge chips for spark plugs
NGK SPARK PLUG CO10 citations74
US12251923B2Mar 18, 2025
Joined body, holding device, and electrostatic chuck
NGK SPARK PLUG CO2 citations73
US7859177B2Dec 28, 2010
Spark plug for internal-combustion engines
NGK SPARK PLUG CO3 citations63
USRE41944ENov 23, 2010
Method for manufacturing noble metal electric discharge chips for spark plugs
NGK SPARK PLUG CO2 citations63
US7550906B2Jun 23, 2009
Spark plug having a noble-metal chip and method for manufacturing the same
NGK SPARK PLUG CO3 citations63
US8344604B2Jan 1, 2013
Spark plug for internal combustion engine
NGK SPARK PLUG CO4 citations62
US12308619B2May 20, 2025
Noble metal tip for spark plug, electrode for spark plug, and spark plug
NGK SPARK PLUG CO0 citations58
US9240677B2Jan 19, 2016
Spark plug
NGK SPARK PLUG CO0 citations52
US12528131B2Jan 20, 2026
Joined body and electrostatic chuck
NGK SPARK PLUG CO0 citations50
US9548593B2Jan 17, 2017
Spark plug
NGK SPARK PLUG CO0 citations50
US9783872B2Oct 10, 2017
Electrode material and spark plug
NGK SPARK PLUG CO0 citations39
TOYO TANSO CO
8 patentsUS7316765B2Jan 8, 2008
Apparatus and method for molten salt electrolytic bath control
TOYO TANSO CO7 citations73
US5894696AApr 20, 1999
Method of and apparatus for supplying a solution for raising of terrestrial plants
TOYO TANSO CO11 citations69
US7556678B2Jul 7, 2009
Gas generator
TOYO TANSO CO2 citations62
US7351322B2Apr 1, 2008
Fluorine gas generator and method of electrolytic bath liquid level control
TOYO TANSO CO2 citations62
US8038852B2Oct 18, 2011
Fluorine gas generator
TOYO TANSO CO2 citations58
US7343924B2Mar 18, 2008
System for supplying halogen gas or halogen containing gas and method thereof
TOYO TANSO CO0 citations51
US7288180B2Oct 30, 2007
Electric current control method and apparatus for use in gas generators
TOYO TANSO CO0 citations51
US8366886B2Feb 5, 2013
Fluorogas generator
TOYO TANSO CO0 citations41
YOSHIMOTO OSAMU
6 patentsUS9109288B2Aug 18, 2015
Gas supply system
YOSHIMOTO OSAMU2 citations61
US8164242B2Apr 24, 2012
Spark plug
YOSHIMOTO OSAMU1 citations50
US8922103B2Dec 30, 2014
Spark plug
YOSHIMOTO OSAMU1 citations46
US8624472B2Jan 7, 2014
Spark plug for internal combustion engine
YOSHIMOTO OSAMU0 citations40
US9343876B2May 17, 2016
Spark plug
YOSHIMOTO OSAMU0 citations38
US8593045B2Nov 26, 2013
Spark plug
YOSHIMOTO OSAMU0 citations37