Membership
Tour
Register
Log in
Hiroshi Yamagata
Follow
Person
Kurobe, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Highly hard thin film and method for production thereof
Patent number
5,648,174
Issue date
Jul 15, 1997
Yoshida Kogyo K. K.
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Wear resistant film
Patent number
5,595,814
Issue date
Jan 21, 1997
YKK Corporation
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hard film of amorphous Ti-Si alloy having fine tin particles
Patent number
5,423,923
Issue date
Jun 13, 1995
Yoshida Kogyo K. K.
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing hard film of Ti-Si-N composite material
Patent number
5,405,458
Issue date
Apr 11, 1995
Yoshida Kogyo K. K.
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hard wear-resistant film and method for production thereof
Patent number
5,366,564
Issue date
Nov 22, 1994
Yoshida Kogyo K. K.
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of forming metal surface thin film having high corrosion res...
Patent number
5,024,721
Issue date
Jun 18, 1991
Yoshida Kogyo K. K.
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Corrosion-resistant and heat-resistant amorphous aluminum-based all...
Patent number
5,015,308
Issue date
May 14, 1991
Masumoto; Tsuyoshi
Hiroshi Yamagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Coupling element row for slide fastener and surface treating method...
Patent number
5,010,628
Issue date
Apr 30, 1991
Yoshida Kogyo K. K.
Hiroshi Yamagata
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Method of improving the corrosion resistance of an anodically oxidi...
Patent number
4,225,398
Issue date
Sep 30, 1980
Yoshida Kogyo K.K.
Mutsuo Hasegawa
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR