Inventor
IKEGAYA AKIHIKO
JP49 patents
⚠️ This page may combine multiple inventors who share the name “IKEGAYA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
34 patentsUS5314570AMay 24, 1994
Process and apparatus for the production of diamond
SUMITOMO ELECTRIC INDUSTRIES494 citations99
US6162412ADec 19, 2000
Chemical vapor deposition method of high quality diamond
SUMITOMO ELECTRIC INDUSTRIES90 citations98
US6299658B1Oct 9, 2001
Cemented carbide, manufacturing method thereof and cemented carbide tool
SUMITOMO ELECTRIC INDUSTRIES55 citations96
US6187421B1Feb 13, 2001
Coated tool of cemented carbide
SUMITOMO ELECTRIC INDUSTRIES62 citations96
US6183846B1Feb 6, 2001
Coated hard metal material
SUMITOMO ELECTRIC INDUSTRIES63 citations96
US6051063AApr 18, 2000
Diamond wafer and method of producing a diamond wafer
SUMITOMO ELECTRIC INDUSTRIES51 citations96
US5871850AFeb 16, 1999
Coated hard metal material
SUMITOMO ELECTRIC INDUSTRIES67 citations96
US5776588AJul 7, 1998
Coated hard alloy tool
SUMITOMO ELECTRIC INDUSTRIES69 citations96
US5597272AJan 28, 1997
Coated hard alloy tool
SUMITOMO ELECTRIC INDUSTRIES71 citations96
US5587013ADec 24, 1996
Methods of synthesizing and polishing a flat diamond film and free-standing diamond film
SUMITOMO ELECTRIC INDUSTRIES58 citations96
US5435815AJul 25, 1995
Cutting tool employing vapor-deposited polycrystalline diamond for cutting edge and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES56 citations96
US4900628AFeb 13, 1990
Gaseous phase synthesized diamond and method for synthesizing same
SUMITOMO ELECTRIC INDUSTRIES58 citations96
US6293739B1Sep 25, 2001
Coated cemented carbide cutting tool
SUMITOMO ELECTRIC INDUSTRIES57 citations95
US6756111B1Jun 29, 2004
Coated hard alloy
SUMITOMO ELECTRIC INDUSTRIES48 citations93
US6082936AJul 4, 2000
Coated hard metal tool
SUMITOMO ELECTRIC INDUSTRIES28 citations93
US5539176AJul 23, 1996
Method and apparatus of synthesizing diamond in vapor phase
SUMITOMO ELECTRIC INDUSTRIES32 citations93
US5516027AMay 14, 1996
Bonding tool having a diamond head and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES24 citations93
US7090914B2Aug 15, 2006
Coated cutting tool
SUMITOMO ELECTRIC INDUSTRIES52 citations92
US5964942AOct 12, 1999
Wafer and method of producing same
SUMITOMO ELECTRIC INDUSTRIES34 citations92
US5776246AJul 7, 1998
Diamond wafer and method of producing a diamond wafer
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US4859490AAug 22, 1989
Method for synthesizing diamond
SUMITOMO ELECTRIC INDUSTRIES34 citations92
US4675206AJun 23, 1987
Process for the production of a surface-coated article
SUMITOMO ELECTRIC INDUSTRIES25 citations92
US5947651ASep 7, 1999
Indexable insert
SUMITOMO ELECTRIC INDUSTRIES49 citations91
US5197651AMar 30, 1993
Bonding tool
SUMITOMO ELECTRIC INDUSTRIES30 citations91
US5481081AJan 2, 1996
Method and apparatus of synthesizing diamond in vapor phaase
SUMITOMO ELECTRIC INDUSTRIES17 citations82
US6089750AJul 18, 2000
Noncontact temperature distribution measuring apparatus
SUMITOMO ELECTRIC INDUSTRIES11 citations74
US5567522AOct 22, 1996
Diamond cutting tool and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES13 citations74
US5370299ADec 6, 1994
Bonding tool having diamond head and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES14 citations74
US5112643AMay 12, 1992
Gaseous phase synthesized diamond and method for synthesizing same
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US6592726B1Jul 15, 2003
Vacuum arc evaporation method, vacuum arc evaporation system, and rotary cutting tool
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US6057046AMay 2, 2000
Nitrogen-containing sintered alloy containing a hard phase
SUMITOMO ELECTRIC INDUSTRIES15 citations73
US5277942AJan 11, 1994
Insulating member and electric parts using the same
SUMITOMO ELECTRIC INDUSTRIES9 citations72
US5571236ANov 5, 1996
Diamond wire drawing die
SUMITOMO ELECTRIC INDUSTRIES6 citations70
US5759667AJun 2, 1998
Diamond wire drawing die and process for manufacturing same
SUMITOMO ELECTRIC INDUSTRIES1 citations52
ALMT CORP
8 patentsUS10465266B2Nov 5, 2019
Heat-resistant tungsten alloy, friction stir welding tool, and production method
ALMT CORP3 citations70
US9884367B2Feb 6, 2018
Mo—Si—B-based alloy powder, metal-material raw material powder, and method of manufacturing a Mo—Si—B-based alloy powder
ALMT CORP2 citations69
US10174410B2Jan 8, 2019
Heat-resistant molybdenum alloy
ALMT CORP4 citations68
US10011890B2Jul 3, 2018
Sodium tungstate production method
ALMT CORP0 citations51
US9512504B2Dec 6, 2016
Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution
ALMT CORP0 citations48
US9249479B2Feb 2, 2016
Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution
ALMT CORP0 citations48
US10100390B2Oct 16, 2018
Heat-resistant molybdenum alloy
ALMT CORP0 citations47
US9970082B2May 15, 2018
Heat-resistant alloy and method of manufacturing the same
ALMT CORP0 citations39