P

Inventor

OOSHIRO TAKEHIKO

JP7 patents
⚠️ This page may combine multiple inventors who share the name “OOSHIRO TAKEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON ITF INC

4 patents
US10458548B2Oct 29, 2019

Piston ring and method for manufacturing same

NIPPON ITF INC2 citations70
US11261519B2Mar 1, 2022

Coating film, manufacturing method therefor, and PVD apparatus

NIPPON ITF INC0 citations60
US10634249B2Apr 28, 2020

Piston ring and engine

NIPPON ITF INC0 citations49
US11851741B2Dec 26, 2023

Hard carbon film, manufacturing method for same, and sliding member

NIPPON ITF INC0 citations43

KOBE STEEL LTD

1 patent
US4537073AAug 27, 1985

Inspection method of square billet using electronic scanning

KOBE STEEL LTD34 citations88

NIPPON PISTON RING CO LTD

1 patent
US11293548B2Apr 5, 2022

Sliding member and coating film

NIPPON PISTON RING CO LTD2 citations69

HONDA MOTOR CO LTD

1 patent
US10077839B2Sep 18, 2018

Piston ring and process for producing same

HONDA MOTOR CO LTD2 citations63