Inventor

YAMAMOTO RYUICHI

JP26 patents

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

YAMAMOTO RYUICHI

MITSUI TOATSU CHEMICALS

Continuous preparation of organic isocyanates

Process for purifying crude p-aminophenol

Process for preparing organic isocyanates

Process for the preparation of phosphoric esters and thiophosphoric esters

Process for preparing alicyclic isocyanates

Process for the preparation of aminoaryl thiophosphates and aminoaryl phosphates

TORAY INDUSTRIES

Carbon fiber surface treatment

Process for continuous graphitization of graphitizable precursor fibers

Yarn package of carbon filament yarn

Process for producing carbonizable oxidized fibers and carbon fibers

FUJI XEROX CO LTD

Transfer device, image-forming apparatus using the same and method for producing transferring member

Image formation apparatus and charger used therewith

Charger and image formation apparatus using the charger

NISHIMOTO SHIN

Rotor of rotating machine and method of manufacturing the rotor

Ni-based alloy high-chrome steel structure and manufacturing method of the same

Steam turbine facility

MITSUBISHI HEAVY IND LTD

Low thermal expansion Ni-base superalloy

Rotor of rotary machine and rotary machine

SONY CORP

Package substrate having a sacrificial region for heat sink attachment

JAPAN STEEL WORKS LTD

Ni-based superalloy with excellent unsusceptibility to segregation

MITSUBISHI HITACHI POWER SYS

Back-shielded welding method and welded structure using the same

OHSAKI SATORU

Ni-based superalloy with excellent unsusceptibility to segregation

UETA SHIGEKI

Method for producing low thermal expansion Ni-base superalloy

HAMANO SHUJI

Low thermal expansion Ni-base superalloy

INTERLEX CO LTD

Microwave hyperthermia treatment apparatus and treatment system

TEZUKA NORIKAZU

Bolt and manufacturing method of bolt