Inventor

TOMITA KUNIKAZU

JP20 patents

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

TOMITA KUNIKAZU

NIPPON KOKAN KK

Hot-dip galvanized steel sheet and method for producing the same

High strength hot rolled steel sheet

Method of making non-oriented silicon steel sheets having excellent magnetic properties

Heat shrink band steel sheet and manufacturing method thereof

Method of making non-oriented electrical steel sheets

Pickling method for electrical steel bands

Method of making non-oriented electrical steel sheets having excellent magnetic properties

Method of making non-oriented electrical steel sheets having excellent magnetic properties

Method of making non-oriented electrical steel sheets

Method of making non-oriented electrical steel sheets

Method of making non-oriented electrical steel sheets having excellent magnetic properties under low magnetic field

Steel sheet for heat shrink band effective for preventing color drift

JFE STEEL CORP

Steel for nitrocarburizing and nitrocarburized component, and methods for producing said steel for nitrocarburizing and said nitrocarburized component

Case hardening steel

Steel for nitrocarburizing and nitrocarburized component, and methods of producing same

Case hardening steel, method of producing case hardening steel, and method of producing gear part

SONY CORP

Steel sheet for heat-shrink band

IWAMOTO TAKASHI

Method for producing steel part having long rolling contact fatigue life

MURAKAMI TOSHIYUKI

Low carbon resulfurized free cutting steel

KIKUCHI KATSUHIKO

High-strength stabilizer steel for vehicles having excellent corrosion resistance and low-temperature toughness, method of producing the same, and stabilizer