P

Inventor

MASUDA MASAAKI

JP57 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK INSULATORS LTD

36 patents
US6783875B2Aug 31, 2004

Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members

NGK INSULATORS LTD471 citations99
US6486085B1Nov 26, 2002

Aluminum nitride sintered bodies and semiconductor-producing members including same

NGK INSULATORS LTD29 citations93
US7635824B2Dec 22, 2009

Plasma generating electrode, plasma generation device, and exhaust gas purifying device

NGK INSULATORS LTD19 citations92
US6607836B2Aug 19, 2003

Material of low volume resistivity, an aluminum nitride sintered body and a member used for the production of semiconductors

NGK INSULATORS LTD16 citations84
US7507934B2Mar 24, 2009

Plasma generation electrode, plasma reactor, and exhaust gas cleaning apparatus

NGK INSULATORS LTD10 citations82
US6869902B2Mar 22, 2005

Silicon nitride porous body and method of manufacturing the same

NGK INSULATORS LTD6 citations74
US6846764B2Jan 25, 2005

Silicon nitride porous body and method of manufacturing the same

NGK INSULATORS LTD7 citations74
US5691261ANov 25, 1997

Silicon nitride ceramic

NGK INSULATORS LTD11 citations74
US4834926AMay 30, 1989

Process for producing silicon nitride ceramic articles

NGK INSULATORS LTD12 citations74
US11369952B2Jun 28, 2022

Honeycomb structure and exhaust gas purifying device

NGK INSULATORS LTD4 citations73
US8367966B2Feb 5, 2013

Ceramic plasma reactor and reaction apparatus

NGK INSULATORS LTD5 citations73
US11280243B2Mar 22, 2022

Catalyst substrate, method of manufacturing the same, and exhaust gas purification apparatus

NGK INSULATORS LTD2 citations72
US7648683B2Jan 19, 2010

Plasma generating electrode, plasma generator, and exhaust gas purifying device

NGK INSULATORS LTD7 citations72
US7638103B2Dec 29, 2009

Plasma generating electrode, plasma generation device, and exhaust gas purifying device

NGK INSULATORS LTD7 citations72
US6364965B1Apr 2, 2002

Aluminum-containing member and a method for producing such an aluminum-containing member

NGK INSULATORS LTD10 citations71
US11268422B2Mar 8, 2022

Exhaust gas mixing apparatus, exhaust gas purifier and exhaust gas purification method

NGK INSULATORS LTD2 citations69
US12559425B2Feb 24, 2026

Ceramic body and method for producing same, heater element, heater unit, heater system as well as purification system

NGK INSULATORS LTD0 citations63
US12209526B2Jan 28, 2025

Honeycomb structure and exhaust gas purifying device

NGK INSULATORS LTD1 citations63
US8053992B2Nov 8, 2011

Plasma reactor and plasma reaction apparatus

NGK INSULATORS LTD2 citations63
US7863540B2Jan 4, 2011

Plasma reactor

NGK INSULATORS LTD2 citations63
US7727488B2Jun 1, 2010

Plasma generating electrode and plasma reactor

NGK INSULATORS LTD2 citations63
US6541406B1Apr 1, 2003

Silicon nitride sintered material and process for production thereof

NGK INSULATORS LTD4 citations63
US5804521ASep 8, 1998

Process for production of a silicon nitride ceramic

NGK INSULATORS LTD4 citations63
US12257574B2Mar 25, 2025

Honeycomb structure, exhaust gas purification catalyst, and exhaust gas purification system

NGK INSULATORS LTD0 citations62
US12523167B2Jan 13, 2026

Honeycomb structure, exhaust gas purifying device and method for producing honeycomb structure

NGK INSULATORS LTD0 citations61
US7700051B2Apr 20, 2010

Apparatus and method of treating exhaust gas

NGK INSULATORS LTD3 citations61
US11970961B2Apr 30, 2024

Honeycomb structure, exhaust gas purifying device and exhaust system

NGK INSULATORS LTD0 citations60
US6468366B1Oct 22, 2002

Surface nitriding member

NGK INSULATORS LTD2 citations60
US12116920B2Oct 15, 2024

Catalyst support and induction heating catalyst system

NGK INSULATORS LTD0 citations59
US12104519B2Oct 1, 2024

Catalyst support and induction heating catalyst system

NGK INSULATORS LTD0 citations59
US12078092B2Sep 3, 2024

Catalyst support and induction heating catalyst system

NGK INSULATORS LTD0 citations59
US10948242B2Mar 16, 2021

Heat storage reactor

NGK INSULATORS LTD0 citations58
US12065957B2Aug 20, 2024

Cylindrical can body and induction heating catalyst device

NGK INSULATORS LTD0 citations52
US7589296B2Sep 15, 2009

Plasma generating electrode and plasma reactor

NGK INSULATORS LTD1 citations52
US11612018B2Mar 21, 2023

Heater, method of manufacturing the same, and system

NGK INSULATORS LTD0 citations51
US11035278B2Jun 15, 2021

Heater, method of manufacturing the same, and system

NGK INSULATORS LTD0 citations51

SHARP KK

5 patents

SONY CORP

3 patents

SONY GROUP CORP

2 patents

MASUDA MASAAKI

2 patents

FUJI MEDICAL INSTR MFG CO LTD

1 patent

(unassigned)

1 patent

Showing the top 50 of 57 patents by PatentIndex Score.