Inventor

KIMURA TATSUMI

JP20 patents

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

KIMURA TATSUMI

JFE STEEL CORP

Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same

Pearlitic rail and method for manufacturing pearlitic rail

Rail cooling device

High-strength pearlitic steel rail having excellent delayed fracture properties

Method for selecting rail steel and wheel steel

Method for producing rail

Method of manufacturing corrosion resistant steel materials

Rail and method for manufacturing same

Rail and method for manufacturing same

Rail cooling method and rail cooling device

Linear shape steel excellent in joint fatigue characteristics and production method therefor

KAWASAKI STEEL CO

Heavy-wall H-shaped steel having high toughness and yield strength and process for making steel

Heavy-wall structural steel and method

590MPa class heavy gauge H-shaped steel having excellent toughness and method of producing the same

Method of manufacturing high productive and high strength rolled H-shaped

Heavy-wall structural steel and method

HONJO MINORU

High-strength pearlitic steel rail having excellent delayed fracture properties

Bearing steel and ingot material for bearing having excellent rolling contact fatigue life characteristics and method for manufacturing the same

AGENCY IND SCIENCE TECHN

Aromatic ester compound and second-order non-linear optical material therewith

NAT INST OF ADVANCED IND SCIEN

Organic semiconductor material and organic device using the same