Inventor
KANEI NAOFUMI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KANEI NAOFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
11 patentsUS11168620B2Nov 9, 2021
Gas supply system
KOBE STEEL LTD3 citations71
US11346332B2May 31, 2022
Piston ring and compressor
KOBE STEEL LTD3 citations69
US11441682B2Sep 13, 2022
Piston ring, reciprocating compressor, method for selecting piston ring and method for evaluating life of piston ring
KOBE STEEL LTD0 citations58
US9267860B2Feb 23, 2016
Tire balance measuring device
KOBE STEEL LTD2 citations56
US12504072B2Dec 23, 2025
Piston ring, piston ring assembly, and reciprocating compressor
KOBE STEEL LTD0 citations53
US11267162B2Mar 8, 2022
Kneading rotor and batch-type kneading machine
KOBE STEEL LTD0 citations50
US11085429B2Aug 10, 2021
Compression device
KOBE STEEL LTD0 citations50
US12385475B2Aug 12, 2025
Reciprocating compressor
KOBE STEEL LTD0 citations49
US11148325B2Oct 19, 2021
Dust stop device for sealed kneader
KOBE STEEL LTD0 citations48
US8910512B2Dec 16, 2014
Multi-component force measurement spindle unit of tire testing machine
KOBE STEEL LTD1 citations48
US10495118B2Dec 3, 2019
Hydraulic drive device and method for controlling the same
KOBE STEEL LTD0 citations39