Inventor

YOSHIKAWA AKIRA

JP67 patents

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

YOSHIKAWA AKIRA

NIPPON TELEGRAPH & TELEPHONE

Pattern-forming process

Intermediate layer material of three-layer resist system

Intermediate layer material of three-layer resist system and method of forming resist pattern

Method of pattern formation

Doping from a photoresist layer

Pattern-forming materials having a radiation sensitive chalcogenide layer and a method of forming patterns with such materials

PANASONIC CORP

Optical disk apparatus

Optical pickup driving apparatus and optical pickup beam spot positioning method

Optical disk apparatus

Optical disk control device with focal point movement control

Optical disc device

Optical disc device and method for controlling optical disc device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Tape driving apparatus

Tape driving apparatus

Control unit and optical disk drive including the control unit

Tracking error signal generation device, optical disc apparatus, tracking error signal generation method and tracking control method

Optical disc apparatus, camera apparatus, and method for controlling light emission operation

UNIV TOHOKU

Crystal material, method for manufacturing crystal, radiation detector, nondestructive inspection apparatus, and imaging apparatus

Metal fluoride crystal, light emitting element, scintillator, method of detecting neutron, and method of producing metal fluoride crystal

Crystal material, radiation detector, imaging apparatus, nondestructive inspection apparatus, and lighting apparatus

ASAHI CHEMICAL IND

Nitride semiconductor substrate and method for manufacturing same

Nitride semiconductor element, nitride semiconductor light emitting element, ultraviolet light emitting element

Nitride semiconductor element, nitride semiconductor light emitting element, ultraviolet light emitting element

TOPPAN PRINTING CO LTD

Decorative laminate and a manufacturing method therefor

Decorative laminate and a manufacturing method therefor

HITACHI LTD

Industrial robot

Investigation device and investigation method

NGK INSULATORS LTD

Transferring and loading device for honeycomb structures

Clamp device for shaped bodies

FUJI XEROX CO LTD

Electrosensitive recording method

Recording medium conductive electrode

HONSHU CHEMICAL IND

Hydroxyphenyl adamantanes and process for the production of the same

Production of alkali metal cyclopentadienylide and production of dihalobis (η-substituted-cyclopentadienyl) zirconium from alkali metal cyclopentadienylide

PIEZO STUDIO INC

Piezoelectric vibrator and sensor

Crystal material and method of manufacturing the same

MITSUBISHI CHEM CORP

Scintillator and radiation detector

Scintillator and radiation detector

STELLA CHEMIFA CORP

Solid solution material of rare earth element fluoride (polycrystal and single crystal), and method for preparation thereof, and radiation detector and test device

YOSHIKAWA AKIRA

Garnet-type crystal for scintillator and radiation detector using the same

TOKUYAMS CORP

Scintillator for neutron detection and neutron detector

FUKUDA KENTARO

Neutron scintillator and neutron detector

NKG INSULATORS LTD

Automatic chamfering machine

RANK XEROX LTD

Transfer sheet drying device for electrophotographic copying machine

TOTSUKA DAISUKE

Scintillator

CALSONIC KANSEI CORP

Corrugated fin cutting device and cutting method

TOKUYAMA CORP

Radiation detector

TDK CORP

Pulling-down apparatus and container therefor

JAPAN SCIENCE & TECH AGENCY

Luminous material for scintillator comprising single crystal of Yb mixed crystal oxide

AGENCY IND SCIENCE TECHN

Method for producing hydroquinone

TANAKA PRECIOUS METAL IND

Metal wire rod composed of iridium or iridium alloy