Inventor
HASHIMOTO SHIGEHARU
US21 patents
⚠️ This page may combine multiple inventors who share the name “HASHIMOTO SHIGEHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
17 patentsUS5802845ASep 8, 1998
Exhaust gas purification system and exhaust gas purification method
NGK INSULATORS LTD48 citations96
US7244284B2Jul 17, 2007
Honeycomb filter
NGK INSULATORS LTD33 citations92
US7037567B2May 2, 2006
Honeycomb structure
NGK INSULATORS LTD21 citations92
US6031213AFeb 29, 2000
Electrode structure and electric heater comprising the same
NGK INSULATORS LTD44 citations92
US5888456AMar 30, 1999
Catalytic converter
NGK INSULATORS LTD21 citations92
US5861611AJan 19, 1999
Electrically heatable honeycomb body and honeycomb unit comprising said honeycomb body
NGK INSULATORS LTD20 citations92
US5852285ADec 22, 1998
Honeycomb heater with parallel circuits
NGK INSULATORS LTD21 citations92
US5800787ASep 1, 1998
Electrically heatable honeycomb body
NGK INSULATORS LTD25 citations92
US5670746ASep 23, 1997
Structure of electrode unit
NGK INSULATORS LTD45 citations92
US5651088AJul 22, 1997
Resistive honeycomb heater having locally quickly heated regions for use in an exhaust gas purification system
NGK INSULATORS LTD26 citations92
US5647203AJul 15, 1997
Exhaust gas purification system and exhaust gas purification method
NGK INSULATORS LTD25 citations92
US5614155AMar 25, 1997
Heater unit and catalytic converter
NGK INSULATORS LTD42 citations92
US5935473AAug 10, 1999
Electrode structure and electric heater
NGK INSULATORS LTD19 citations89
US7384441B2Jun 10, 2008
Honeycomb filter
NGK INSULATORS LTD18 citations83
US5238551AAug 24, 1993
Oxygen sensor
NGK INSULATORS LTD16 citations74
US9284911B2Mar 15, 2016
Engine combustion chamber structure, and inner wall structure of through channel
NGK INSULATORS LTD5 citations73
US7073327B2Jul 11, 2006
Exhaust emission control system, method of calculating pressure loss of filter, and method of manufacturing filter
NGK INSULATORS LTD10 citations73