Inventor

MAYUMI TOHRU

JP3 patents

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

NTN TOYO BEARING CO LTD

2 patents

US5261159ANov 16, 1993

Method of manufacturing bearing ring

NTN TOYO BEARING CO LTD31 citations88

US5340221AAug 23, 1994

Bearing ring with parallel flow internal structure

NTN TOYO BEARING CO LTD4 citations58

INOUE MTP KK

1 patent

US4720363AJan 19, 1988

Method of manufacturing plastic molding

INOUE MTP KK52 citations87