Inventor

OKAMURA KATSUMI

JP74 patents

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

OKAMURA KATSUMI

SUMITOMO ELECTRIC INDUSTRIES

Surface-coated high hardness material for tool

Cutting tool

Sintered material and cutting tool including same

Method of producing cubic boron nitride sintered material, cubic boron nitride sintered material, and cutting tool including cubic boron nitride sintered material

Cemented carbide and tool containing the same

Composite sintered material

Cubic boron nitride sintered material, cutting tool including cubic boron nitride sintered material, and method of producing cubic boron nitride sintered material

Sintered material and cutting tool including the same

Cubic boron nitride sintered material

Cutting tool and method for manufacturing the same

Cubic boron nitride sintered body and cutting tool including the same

Method of producing cubic boron nitride sintered material, cubic boron nitride sintered material, and cutting tool including cubic boron nitride sintered material

Alloy powder, sintered material, method for producing alloy powder, and method for producing sintered material

Surface-coated high hardness material for tool

Cemented carbide and tool containing the same

Cubic boron nitride sintered material and cutting tool including same

Cubic boron nitride sintered material and cutting tool including same

Sintered material and cutting tool including same

Sintered material and partially stabilized zirconia with solid solution of alumina formed therein

Tungsten carbide powder and production method therefor

Tungsten carbide powder

Coated super-abrasive grains, abrasive grains, and wheel

Cubic boron nitride sintered material

Composite sintered material

Sintered body and cutting tool including the same

SUMITOMO ELECTRIC HARDMETAL CORP

Throw-away tip for metal cutting tool

Cubic boron nitride cutting tool

Surface-coated boron nitride sintered body tool

Sintered cubic boron nitride compact tool

Method for manufacturing cubic boron nitride cutting tool and cubic boron nitride cutting tool

Cutting insert and cutting tool

Throw-away tip for metal cutting tool

Sintered compact and cutting tool

Sintered compact and cutting tool

Cutting tool

Cubic boron nitride cutting tool

Composite sintered body

OKAMURA KATSUMI

Cutting insert

Tool made of cubic boron nitride sintered body

Surface-covered cubic boron nitride sintered body tool and method of manufacturing the same

Cubic boron nitride sintered body tool

Sintered cubic boron nitride compact and sintered cubic boron nitride compact tool

Composite sintered body

Cubic boron nitride sintered body tool

SUMITOMO ELEC HARDMETAL CORP

Cutting tool for high-quality high-efficiency machining and cutting method using the same

cBN sintered body for high surface integrity machining, cBN sintered body cutting tool, and cutting method using the same

cBN sintered body for high surface integrity machining and cBN sintered body cutting tool

High-strength, highly thermally conductive sintered compact of cubic boron nitride

MATSUDA YUSUKE

Cubic boron nitride sintered body and cubic boron nitride sintered body tool

SETOYAMA MAKOTO

Surface-coated sintered body