Membership
Tour
Register
Log in
Matsuichi Nakamura
Follow
Person
Osaka, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method for the continuous manufacture of metal-plated steel tubes b...
Patent number
5,251,804
Issue date
Oct 12, 1993
Daiwa Steel Tube Industries Co., Ltd.
Matsuichi Nakamura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pipe connection method and connecting structure
Patent number
4,624,489
Issue date
Nov 25, 1986
Daiwa Steel Tube Industries Co., Ltd.
Matsuichi Nakamura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Permanently sealed threadless joint
Patent number
4,541,659
Issue date
Sep 17, 1985
Daiwa Steel Tube Industries Co., Ltd.
Matsuichi Nakamura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...