Inventor
HANZAWA SHIGERU
JP32 patents
⚠️ This page may combine multiple inventors who share the name “HANZAWA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
30 patentsUS6355206B1Mar 12, 2002
Sic-C/C composite material, uses thereof, and method for producing the same
NGK INSULATORS LTD36 citations92
US5338576AAug 16, 1994
Silicon carbide sintered article and method
NGK INSULATORS LTD34 citations92
US4912302AMar 27, 1990
Furnace for sintering ceramics, carbon heater used therefor and process for sintering ceramics
NGK INSULATORS LTD25 citations92
US6472058B2Oct 29, 2002
Fiber-composite material and method for producing the same
NGK INSULATORS LTD19 citations83
US4681074AJul 21, 1987
Structure of divided combustion chamber for internal combustion engine
NGK INSULATORS LTD22 citations82
US4616611AOct 14, 1986
Precombustion chamber construction of internal combustion engine
NGK INSULATORS LTD25 citations82
US6997703B2Feb 14, 2006
Firing furnace and firing method
NGK INSULATORS LTD13 citations80
US6521344B1Feb 18, 2003
Member for brake
NGK INSULATORS LTD8 citations74
US6447893B2Sep 10, 2002
Fibrous composite material and process for producing the same
NGK INSULATORS LTD9 citations74
US6413640B1Jul 2, 2002
Carbon fiber composite materials
NGK INSULATORS LTD10 citations74
US6162544ADec 19, 2000
Kiln tool with good workability
NGK INSULATORS LTD6 citations74
US5851941ADec 22, 1998
Si/SiC-based sintered material having excellent corrosion resistance and kiln furniture
NGK INSULATORS LTD11 citations74
US4662331AMay 5, 1987
Precombustion chamber construction of internal combustion engine
NGK INSULATORS LTD18 citations74
US5840436ANov 24, 1998
Spalling-resistant, creep-resistant and oxidation-resistant setters
NGK INSULATORS LTD11 citations73
US5542194AAug 6, 1996
Silicon carbide body for radiating far-infrared radiation, drying apparatus including the body, and firing apparatus including the body
NGK INSULATORS LTD13 citations73
US7217359B2May 15, 2007
Columns for chromatograph
NGK INSULATORS LTD7 citations72
US5026671AJun 25, 1991
Sintered silicon nitride and method for making the same
NGK INSULATORS LTD9 citations69
US6254974B1Jul 3, 2001
Si-SiC material and SiC fiber-reinforced Si-SiC composite material
NGK INSULATORS LTD12 citations68
US7223464B2May 29, 2007
Composite material and production method for composite material
NGK INSULATORS LTD4 citations63
US6627143B2Sep 30, 2003
SiC—C/C composite material, uses thereof, and method for producing the same
NGK INSULATORS LTD4 citations63
US6054000AApr 25, 2000
Pressure plate and process for production of liquid crystal panel using said pressure plate
NGK INSULATORS LTD2 citations63
US4997797AMar 5, 1991
Method of effecting glass-capsule hip for ceramic formed body
NGK INSULATORS LTD3 citations63
US7291383B2Nov 6, 2007
Supports for solid phase extraction
NGK INSULATORS LTD3 citations61
US6444063B2Sep 3, 2002
Si-SiC material and SiC fiber-reinforced Si-SiC composite material
NGK INSULATORS LTD2 citations57
US11029090B2Jun 8, 2021
Industrial furnace and method of utilizing heat therefrom
NGK INSULATORS LTD0 citations49
US5139718AAug 18, 1992
Method of manufacturing products of ceramics
NGK INSULATORS LTD0 citations45
US10551125B2Feb 4, 2020
Combustion apparatus, and heating furnace using same
NGK INSULATORS LTD0 citations40
US10451323B2Oct 22, 2019
Chemical heat pump
NGK INSULATORS LTD0 citations40
US10359236B2Jul 23, 2019
Heat storage material container
NGK INSULATORS LTD0 citations40
US9873826B2Jan 23, 2018
Chemical heat pump
NGK INSULATORS LTD0 citations40