Inventor

OHKI CHIKARA

JP41 patents

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

OHKI CHIKARA

NTN TOYO BEARING CO LTD

Bearing part, heat treatment method thereof, and rolling bearing

Bearing part, rolling bearing, and method for manufacturing bearing part

Bearing part and rolling bearing

Transmission component, method of manufacturing the same, and tapered roller bearing

Differential support structure, differential&#39;s component, method of manufacturing differential support structure, and method of manufacturing differential&#39;s component

Constant velocity universal joint and method of manufacturing the same

Bearing part and rolling bearing

Rolling bearing

Compressor bearing and compressor component

Rolling bearing and heat treatment method for steel

Rolling member and rolling bearing

Bearing component and method for manufacturing the same

Mechanical component and method for manufacturing mechanical component

Bearing component and rolling bearing

Bearing&#39;s component, heat treatment method thereof, heat treatment apparatus, and rolling bearing

Bearing component and rolling bearing

Bearing for alternator and bearing for pulley

Bearing for alternator and bearing for pulley

Method of manufacturing rolling bearing ring and rolling bearing ring

Bearing part

Bearing component and rolling bearing

Bearing component and rolling bearing

Method for producing bearing ring, double row tapered roller bearing, and method for producing double row tapered roller bearing

Double row tapered roller bearing, bearing ring, and method for producing double row tapered roller bearing

Method of manufacturing rolling bearing ring

OHKI CHIKARA

Method of restrained-quenching of annular member

Carbonitriding method, machinery component fabrication method, and machinery component

Bearing part, bearing, and method for inspecting bearing part

Mechanical component and rolling bearing

Heat treatment furnace

Bearing part, heat treatment method thereof, and rolling bearing

Mechanical component and rolling bearing

Bearing for alternator and bearing for pulley

Gas nitrocarburizing method and method for manufacturing bearing part

Method for heat-treating ring-shaped member and method for producing ring-shaped member

Carbonitriding method, machinery component fabrication method, and machinery component

Carbonitriding method, machinery component fabrication method, and machinery component

SATO DAISUKE

Bearing part, rolling bearing, and method for manufacturing bearing part

MORISHITA HIROSHI

Rolling bearing

UENO TAKASHI

Bearing part, rolling bearing, and methods of manufacturing them

YUKI HIROSHI

Method for producing a bearing ring

Differential support structure, differential's component, method of manufacturing differential support structure, and method of manufacturing differential's component

Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing