Inventor

YAMADA YASUHARU

JP61 patents

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

YAMADA YASUHARU

OLYMPUS IMAGING CORP

Inner focus lens system and image pickup apparatus using the same

Rear converter lens apparatus and taking system comprising the same

Zoom lens, and imaging apparatus incorporating the same

Imaging optical system and imaging apparatus comprising the same

Projection zoom lens system and projector apparatus using the same

Zoom lens and imaging apparatus incorporating the same

Camera

Zoom lens

IBM

Retention bracket/collar for circuit cards

Vapor-compression heat exchange system with evaporator coil mounted to outlet door of an electronics rack

Cooling method and device for notebook personal computer

High volume ventilation fan with noise attenuation for personal computer

Thermal enhanced plastic ball grid array with heat sink attachment option

Bottom heatslug EPBGA for high thermal performance

Inspection device and inspection method for pattern profile, exposure system

NIPPON STEEL CHEMICAL CO

Separation membranes and process for preparing the same

Polyimide copolymers and process for preparing the same

Naphthol-based epoxy resins, intermediates for the same, process for preparing the same, and epoxy resin compositions containing the same

Naphthol aralkyl resins and cured products thereof

Heat-sensitive recording materials

Silicon-modified polyimides

SUMITOMO CHEMICAL CO

Process for producing olefin polymers

Catalyst system

Process for producing highly stereoregular α-olefin polymers

Process for producing olefin polymers

Catalysts for the polymerization of olefins

Catalysts for the polymerization of olefins

OLYMPUS CORP

Zoom optical system, image pickup optical system, and image pickup apparatus using the same

Zoom lens with blur correction and image pickup apparatus using the same

Zoom lens with blur correction and image pickup apparatus using the same

Teleconverter and image pickup system using the same

Zoom lens

TAMRON KK

Projection lens system

High zoom ratio lens

High zoom ratio lens

Large aperture zoom lens

TECHNICAL ASSOCIATE CO LTD

Same polarity induction generator

Closed cycle type heat engine

IIZUKA SOUICHI

Energy regenerating mechanism of an automobile

TECHNICAL ASSOCIATES CO LTD

Automatic charging apparatus

SHIMADZU CORP

Biaxial flux gate type magnetic sensor

TOCHIGI AKIYOSHI

Zoom lens and imaging apparatus incorporating the same

OGATA YASUJI

Zoom lens, and imaging apparatus incorporating the same

SANKOSHA CO LTD

Multi-terminal surge protection device

SUZUKI TOMOYUKI

Gas separation membrane

NAT UNIV CORP NAGOYA INST TECH

Hyperbranched polyimide-based hybrid material

YAMADA YASUHARU

Wide angle optical system and image pickup apparatus using the same

IBIDEN CO LTD

Porous polyimide

NIDEK KK

Resin composition and production method thereof

KIMATA HIROHIKO

Zoom lens