Inventor

KUBO MUTSUO

JP4 patents

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

NSK LTD

2 patents

US5409359AApr 25, 1995

High speed rotating apparatus having face-to-face contact ball bearing

NSK LTD26 citations90

US5540575AJul 30, 1996

High speed rotating apparatus having face-to-face angular contact ball bearings

NSK LTD17 citations80

NIPPON SEIKO KK

1 patent

US4838712AJun 13, 1989

Ball bearing and the retainer thereof

NIPPON SEIKO KK29 citations89

SHIMIZU CONSTRUCTION CO LTD

1 patent

US5074478ADec 24, 1991

System for crushing and discharging powder and granular material caking in storage tank

SHIMIZU CONSTRUCTION CO LTD12 citations63