Inventor

NARUMIYA HIROKI

JP3 patents

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

NIPPON STEEL & SUMITOMO METAL CORP

2 patents

US10337559B2Jul 2, 2019

Ball bearing and methods of production of ball bearing

NIPPON STEEL & SUMITOMO METAL CORP0 citations37

US10584783B2Mar 10, 2020

High-strength gear

NIPPON STEEL & SUMITOMO METAL CORP0 citations36

NIPPON STEEL CORP

1 patent

US10837097B2Nov 17, 2020

Nitrided part and method of producing same

NIPPON STEEL CORP0 citations42