Inventor

HAYASHIDA HIROYUKI

JP22 patents

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

HAYASHIDA HIROYUKI

NIPPON STEEL & SUMITOMO METAL CORP

Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon material

Support carbon material and catalyst for solid polymer type fuel cell use

Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material

Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same

DAIICHI KIGENSO KAGAKU KOGYO

Cerium-zirconium-based composite oxide and method for producing same

Alumina-based composite oxide and production method for same

Alumina-based composite oxide and production method for same

NIPPON STEEL & SUMIKIN CHEM CO

Curable composition, cured product, and organic electroluminescence element using same

Aromatic heterocyclic compound, manufacturing method thereof, organic semiconductor material, and organic semiconductor device

Organic semiconductor material for organic transistor, and organic transistor element

NIPPON STEEL CHEMICAL & MAT CO LTD

Carbon material for use as catalyst carrier of polymer electrolyte fuel cell and method of producing the same

Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the same

Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same

TANAKA HIROSHIGE

Polymer for organic electroluminescent element, and organic electroluminescent element using the same

Polymer light-emitting material, method for producing the same, and organic electroluminescent device

ASARI TOHRU

Organic electroluminescent device with host materials having same or similar IP, EA and T1 values

TOSHIBA KK

Semiconductor device having an interconnected film with tapered edge

SAKURAI KENJI

Catalyst composition and exhaust gas purifying method

ISHIYAMA TAKAYA

Nitrogen-containing aromatic compounds and organic electroluminescent device

NIINA Masashi

Polymer for organic electroluminescent elements, and organic electroluminescent element using cured product of same

WORLD METAL CO LTD

Joined body of joining base material and metal layer

HAYASHIDA HIROYUKI

Curable composition, cured product, and organic electroluminescent element using same