Inventor
WATANABE MASAKAZU
US65 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
31 patentsUS4626392ADec 2, 1986
Process for producing ceramic body for surgical implantation
NGK SPARK PLUG CO77 citations96
US5705271AJan 6, 1998
Method for producing diamond coated member
NGK SPARK PLUG CO24 citations92
US5045513ASep 3, 1991
Sintered body of silicon nitride and its manufacture
NGK SPARK PLUG CO23 citations92
US4946807AAug 7, 1990
Composite ceramic material reinforced with silicon carbide whiskers
NGK SPARK PLUG CO24 citations92
US4748138AMay 31, 1988
Highly toughened, sintered mass of zirconia
NGK SPARK PLUG CO45 citations92
US4701426AOct 20, 1987
Silicon carbide-graphite composite material
NGK SPARK PLUG CO31 citations92
US4695517ASep 22, 1987
Composite layer aluminum nitride base sintered body
NGK SPARK PLUG CO26 citations92
US4690909ASep 1, 1987
Silicon carbide-graphite composite material and process for producing same
NGK SPARK PLUG CO30 citations92
US4668452AMay 26, 1987
Process for producing silicon carbide heating elements
NGK SPARK PLUG CO33 citations92
US4626517ADec 2, 1986
High toughness sintered bodies
NGK SPARK PLUG CO29 citations92
US5725932AMar 10, 1998
Ceramic-based substrate for coating diamond and method for preparing substrate for coating
NGK SPARK PLUG CO15 citations82
US4626518ADec 2, 1986
Method for manufacturing high toughness sintered bodies
NGK SPARK PLUG CO22 citations82
US4336216AJun 22, 1982
Process for producing silicon carbide heating elements
NGK SPARK PLUG CO21 citations82
US4877760AOct 31, 1989
Aluminum nitride sintered body with high thermal conductivity and process for producing same
NGK SPARK PLUG CO20 citations81
US4800137AJan 24, 1989
Composite layer aluminum nitride base sintered body
NGK SPARK PLUG CO23 citations81
US5626908AMay 6, 1997
Method for producing silicon nitride based member coated with film of diamond
NGK SPARK PLUG CO17 citations74
US4956317ASep 11, 1990
Whisker-reinforced ceramics
NGK SPARK PLUG CO11 citations74
US4638268AJan 20, 1987
Microwave absorber comprised of a dense silicon carbide body which is water cooled
NGK SPARK PLUG CO15 citations74
US5863606AJan 26, 1999
Method for producing diamond coated member
NGK SPARK PLUG CO11 citations73
US5858480AJan 12, 1999
Ceramic-based substrate for coating diamond and method for preparing substrate for coating
NGK SPARK PLUG CO13 citations73
US5334453AAug 2, 1994
Diamond-coated bodies and process for preparation thereof
NGK SPARK PLUG CO9 citations73
US5114888AMay 19, 1992
Silicon nitride sintered body and method for producing same
NGK SPARK PLUG CO14 citations73
US5049531ASep 17, 1991
Silicon nitride sintered body
NGK SPARK PLUG CO10 citations73
US5032554AJul 16, 1991
Sintered silicon nitride products
NGK SPARK PLUG CO6 citations73
US4997798AMar 5, 1991
Process for producing aluminum nitride sintered body with high thermal conductivity
NGK SPARK PLUG CO12 citations73
US4961987AOct 9, 1990
Aluminum nitride sintered body with high thermal conductivity and process for producing same
NGK SPARK PLUG CO10 citations73
US4375517AMar 1, 1983
Sintered cubic boron nitride and process for producing the same
NGK SPARK PLUG CO17 citations73
US5439854AAug 8, 1995
TiC-base/SiC whisker composite ceramic cutting tools
NGK SPARK PLUG CO9 citations72
US5122486AJun 16, 1992
Method of producing silicon-nitride-based sintered body
NGK SPARK PLUG CO7 citations71
US5026601AJun 25, 1991
Zirconia-base sintered bodies having coating films
NGK SPARK PLUG CO12 citations71
US5128285AJul 7, 1992
Silicon oxynitride sintered body
NGK SPARK PLUG CO4 citations63
NIPPON PAINT CO LTD
6 patentsUS5270392ADec 14, 1993
Hydroxyl polyglycidyl ether or acrylic copolymer with anhydride copolymer
NIPPON PAINT CO LTD22 citations91
US5151125ASep 29, 1992
Aqueous coating composition
NIPPON PAINT CO LTD24 citations91
US5039343AAug 13, 1991
Water borne metallic coating composition
NIPPON PAINT CO LTD23 citations91
US6863929B2Mar 8, 2005
Method for forming coated film and intermediate coating material
NIPPON PAINT CO LTD24 citations89
US6251483B1Jun 26, 2001
Recyclable cold curing aqueous coating composition and method for recycling it
NIPPON PAINT CO LTD6 citations70
US6054508AApr 25, 2000
Water dispersible resin composition and process for producing the same
NIPPON PAINT CO LTD4 citations63
DENSO CORP
3 patentsIDEMITSU PETROCHEMICAL CO
2 patentsSUMITOMO ELECTRIC INDUSTRIES
2 patentsROLAND CORP
2 patentsFUJITSU LTD
1 patentFUNAI ELECTRIC CO
1 patentYOSHIDA KAZUHIRO
1 patentSEMICONDUCTOR COMPONENTS IND LLC
1 patentShowing the top 50 of 65 patents by PatentIndex Score.