Inventor

NISHIYAMA MASAKAZU

JP19 patents

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

NISHIYAMA MASAKAZU

TOSOH CORP

Polyaryleneamines and a process for their production

Polythiophene, water-soluble electrically conductive polymer using it, and method for producing it

Process for producing heterocyclic aromatic amine or arylamine

Amine compound having fluorene group as framework, process for producing the amine compound, and use of the amine compound

Nitrogen-heterocyclic compound and process for production thereof

Catalyst for producing arylamine and process for producing arylamine by means thereof

Triarylamine polymer, process for producing the same, and use thereof

KURARAY CO

Flame-retardant polyvinyl alcohol base fiber

High-absorbent polyvinyl alcohol fibers and nonwoven fabric comprising them

Synthetic polyvinyl alcohol fiber and process for its production

Polyvinyl alcohol-based synthetic fiber

NHK SPRING CO LTD

Vehicle suspension device with a coil spring embedded in an open cell foam

Coated coil spring

NISHIYAMA MASAKAZU

Benzofluorene compound and use thereof

Multilayered conductive sheet and electrode

KATAYAMA TAKASHI

Polypropylene fiber, method of producing the same and utilization of the same

HAYAKAWA TOMOHIRO

Separator for alkaline battery, method for producing the same, and battery

TOSCH CORP

Arylamine derivatives having fluorene skeleton, synthetic intermediates thereof, processes of producing those, and organic electrolumivescene devices

HARADA TOSHIMITSU

Alkaline battery separator comprising alkali-resistance synthetic fiber, fibrillated organic solvent-spun cellulose fiber and mercerized pulp, and alkaline primary battery