Membership
Tour
Register
Log in
Masayoshi Shigemasa
Follow
Person
Hiroshima, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Belt-pulley type steplessly variable transmission assembly
Patent number
4,817,458
Issue date
Apr 4, 1989
Mazda Motor Corporation
Hitoshi Akutagawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Flat type torque converter
Patent number
4,726,185
Issue date
Feb 23, 1988
Mazda Co., Ltd.
Masayoshi Shigemasa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Four-wheel drive automobile
Patent number
4,541,503
Issue date
Sep 17, 1985
Mazda Motor Corporation
Hitoshi Akutagawa
B60 - VEHICLES IN GENERAL