Inventor

TAKAHASHI MITSUO

JP110 patents

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

TAKAHASHI MITSUO

SEIKO GIKEN KK

Rotary switch type optical fiber switch

Optical disk molding apparatus equipped with liquid sealing means

Optical fiber ferrule and optical coupler

Light attenuating element and method of producing the same

Method and apparatus for grinding foremost end surface of a ferrule

Optical powder attenuator of variable attenuation type

Variable optical fiber light attenuator

Optical fiber end-surface polishing device

Optical fiber connecting device

Polishing apparatus for end faces of optical fibers

Variable attenuation type optical power attenuator with latching ratchet

Optical device having a slant connecting end surface

Optical attenuation fiber assembly

Optical fiber assembly and manufacturing method for the same

Polishing disc of spherical surface polishing device for optical fiber end surface and method for polishing spherical surface of optical fiber end surface

Optical fiber light coupling interface and method for making same

Light coupling device to couple a light source to an optical fiber

Optical fiber end-surface polishing device

Optical fiber light coupling interface with an enlarged incident surface and method of making same

Injection molding die for injection-molding base boards

Optical demultiplexing/multiplexing device

Apparatus for grinding end faces of ferrules together with optical fibers each firmly received in ferrules

Method for grinding ferrules for ribbon type optical fibers

Ribbon type optical fiber connector

Apparatus for grinding ferrules for ribbon type optical fibers

Optical connector ferrule

Variable light attenuator of multiple-fiber ribbons

Optical fiber multiplexing/demultiplexing device for multiple-fiber ribbon of optical fibers and their fabrication method

Optical fiber connector

Metal mold for resin molding

Wedged and lensed optical fiber

Apparatus for polishing end surface of optical fibers

Optical fiber end surface polishing apparatus

Optical coupler constructed using optical fiber ferrules

Optical fiber LED assembly

Optical attenuator using an optical fiber and method and apparatus for producing the same

SEIKO GIKEN CO LTD

Optical fiber ferrule holding plate for optical fiber end polishing apparatus

Optical device and bidirectional communications system

DENKI KAGAKU KOGYO KK

Cement composition

NCR CO

Moving course data collection system

KOMATSU MFG CO LTD

Apparatus for measuring a resistance against slippage on road surface

FUJI HEAVY IND LTD

Power transmitting system for a four-wheel drive vehicle

NIPPON MINING CO

Process of producing multilayer-coated composite powder

DENSO CORP

Casing for electronic control unit

SUMITOMO ELECTRIC INDUSTRIES

Semiconductor optical device and method of manufacturing the same

SEIKON GIKEN CO LTD

Four polarization maintaining optical fiber ferrule and optical coupler using same

JAPAN RES DEV CORP

Method of manufacturing a distributed brass reflector type semiconductor laser

AJINOMOTO KK

Aniline derivatives

NGK INSULATORS LTD

Machine for inspecting ceramic samples by applying compression thereto

TOSHIBA KK

Turbine frame, turbine assembling method and turbine assembling and transporting method