Inventor

WATANABE RYUJI

38 patents

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

WATANABE RYUJI

HITACHI LTD

LSI package board

Method of making electrical connections in the manufacture of wiring sheet assemblies

Information recording medium

Thin-film multilayer wiring board with wiring and via holes in a thickness of an insulating layer

Thin-film multilayer wiring board and production thereof

Multi-layer wiring structure

Optical recording medium

Metal-organic macromolecular synthetic resin composite and process for producing the same

Method for making vacuum circuit breaker electrodes

Optical information apparatus and method of recording and erasing information

Surge-absorberless vacuum circuit interrupter

Electrodes of vacuum circuit breaker

Vacuum switch and method of manufacturing the same

Process for producing metal-polyimide composite article

Process for producing metal/polyimide composite article

Method of producing a vacuum circuit breaker

Vacuum circuit breaker

TOYOTA JIDOSHOKKI KK

Electric compressor

Motor-driven compressor, housing structure for motor-driven compressor, and method of installing soundproof cover on motor-driven compressor

Vehicle electric fluid machine

Vehicle electric fluid machine

SANYO ELECTRIC CO

Hermetically sealed electric motor compressor

Piston assembly for compressors

Method for manufacturing a piston

FUJI XEROX CO LTD

Rolls for electrostatic charge

Electro-conductive roll and image-forming apparatus using the same

Developing machine and carrier containing a charge-imparting agent

NIPPON STEEL CORP

Production process and apparatus for high purity silicon

Apparatus for making strips, bars and wire rods

Method and apparatus for making strips, bars and wire rods

FUTURE TECHNOLOGY CO LTD

Electronic cigarette cartridge using tobacco plant or non-tobacco plant and support member thereof

Heated aroma-producing body, aroma cartridge, and manufacturing method and manufacturing device for heated aroma-producing body

AGENCY IND SCIENCE TECHN

Method and apparatus for use in separation and recovery of non-magnetic metal pieces

TOMARI SHOGO

Epichlorohydrin composition for conductive roller, conductive roller, charging unit, image forming apparatus, process cartridge, and method of manufacturing conductive roller

SUMIDA CORP

Coil component and method for producing the same

SONY CORP

Capstan motor drive control device

OPTICAL VENTURES INC

Lens for sunglasses, method for producing the same, and production apparatus therefor

NISSAN MOTOR

Control method and control device for engine