Inventor

YAMADA YASUYUKI

JP153 patents

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

YAMADA YASUYUKI

FUJI PHOTO FILM CO LTD

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Process for producing magnetic recording device

Method of producing magnetic recording medium

Magnetic recording medium

Recording member comprising a substrate with a magnetic lager on one surface and a lubricating lager on the opposed surface

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Disc jacket for retaining magnetic recording disc

Magnetic head cleaning jacket

Magnetic recording medium

Method of preparing a magnetic recording medium

Magnetic recording medium

Process for producing magnetic recording medium

Process of producing a magnetic recording element

Method of forming a metallic thin film by electroless plating on a vinylidene chloride undercoat

Process for stabilization of ferromagnetic material and magnetic recording member

Method for preparing a magnetic recording medium and a magnetic disk using the same

Abrasive tape

Magnetic recording medium

Magnetic recording medium

CANON KK

Finder of variable magnification

Conversion type varifocal lens system

Compact zoom lens

Photographic optical device with variable magnification

View finder of variable magnification

Variable magnification optical system

Variable power finder

Small size zoom lens

Vari-focal objective lens of short total length

Changeable magnification optical system

Small sized zoom lens

KOBE STEEL LTD

Hard coating having excellent wear resistance properties, and hard coating coated member

Hard coating of excellent wear resistance and hard coating coated member thereof

Coated member having excellent hardness and, adhesive properties

MITSUI TOATSU CHEMICALS

Electrophotographic receptors with charge generating azo-substituted tetraphenyl-thiophene or thiophene 1,1-dioxide

Colored polarizing film and method of making same

HITACHI DISPLAYS LTD

Display device

Liquid crystal display device

YAZAKI CORP

Connector for a shielded wire

NIKKISO CO LTD

Portable and wearable injector of mini size

MITSUBISHI MAT KOBE TOOLS CORP

High-speed tool steel gear cutting tool and manufacturing method therefor

MMC KOBELCO TOOL CO LTD

Hard coating coated member having excellent wear resistance

SAMSUNG ELECTRONICS CO LTD

Converter, inverter, AC motor driving apparatus, and air conditioner using the same

ROLAND CORP

Effect system

YAMADA YASUYUKI

Load-compensation device

SUGIYAMA SAORI

Liquid crystal display device

NTN TOYO BEARING CO LTD

Recycle of grinding sludge