Inventor

HARA AKIO

46 patents

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

HARA AKIO

SUMITOMO ELECTRIC INDUSTRIES

Method for producing a diamond sintered compact

Compound sintered compact for use in a tool and the method for producing the same

Sintered compact for a machining tool and a method of producing the compact

Diamond sintered body and the method for producing the same

Hard sintered compact for a tool

Diamond sintered compact wherein crystal particles are uniformly orientated in the particular direction and the method for producing the same

Coated hard metal tool

Composite diamond compact for a wire drawing die and a process for the production of the same

Sintered compact for use in a tool

Diamond sintered compact wherein crystal particles are uniformly orientated in a particular direction and a method for producing the same

Process of producing a sintered compact

Method of producing a sintered diamond compact

Surface-coated cemented carbide article and a process for the production thereof

Cemented carbonitride alloys

Diamond compact for a wire drawing die and a process for the production of the same

Diamond/sintered carbide cutting tool

Process for the production of tungsten carbide or mixed metal carbides

Hard alloy containing molybdenum

Hard alloy containing molybdenum and tungsten

Sintered compact for use in a tool and the method for producing the same

Stick of composite materials and process for preparation thereof

Composite tool and a process for the production of the same

Process for the production of a composite tool

Process for the production of a cutting tool

Process for producing sintered hard metals and an apparatus therefor

Process for the production of a hard solid solution

Method of making alloy and carbide powders of molybdenum and tungsten

Cemented carbonitride alloys containing tantalum

Process for the production of bonded hard alloys

Sintered body for use in a cutting tool and the method for producing the same

Sintered body for use in a cutting tool and the method for producing the same

Method of making surface-coated cemented carbide articles

Process for producing sintered ferrous alloys

Process for the production of a hard solid solution containing molybdenum

Composite sintered material having sandwich structure

FUJITSU LTD

Method of and circuit for controlling a clock

Internal bus testing device and method

Memory interface circuit having plurality of prefetch buffers, each assigned to either first prefetch buffer enabled for rewrite or second prefetch buffer disabled for rewrite during normal operation period

OSAKA DIAMOND IND

Superabrasive tool and method of manufacturing the same

Superhard film-coated member and method of manufacturing the same

HITACHI MEDICAL CORP

X-ray photographing apparatus

X-ray fluoroscope table and X-ray fluoroscope system

TOYO SEIKAN KAISHA LTD

Apparatus for determining the continuity of holes formed in a conductive sheet

HARA AKIO

Vertical axis type wing for electricity generating windmill

KURARAY CO

Methacrylic resin compositions with improved tacky adhesion and method for preparation thereof

SOCIONEXT INC

Semiconductor device with guard ring