Membership
Tour
Register
Log in
Ryoichi Nagumo
Follow
Person
Katsuta, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
X-Y plotter drive roller arrangement
Patent number
4,683,480
Issue date
Jul 28, 1987
Hitachi, Ltd.
Masami Sakamoto
G01 - MEASURING TESTING
Information
Patent Grant
Pen changing apparatus for plotter
Patent number
4,577,409
Issue date
Mar 25, 1986
Hitachi, Ltd.
Masami Sakamoto
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES