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Kenji Iwai
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Kobe, JP
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last 30 patents
Information
Patent Grant
Partition wall panel
Patent number
6,112,851
Issue date
Sep 5, 2000
Kobe Steel, Ltd.
Akio Sugimoto
E04 - BUILDING
Information
Patent Grant
Method of manufacturing and using vibration-damping material
Patent number
5,895,538
Issue date
Apr 20, 1999
Kabushiki Kaisha Kobe Seiko Sho
Tadashi Hatayama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Heat bonded type vibration-damping resin for structural member vibr...
Patent number
5,800,888
Issue date
Sep 1, 1998
Kabushiki Kaisha Kobe Seiko Sho
Toshiaki Yasumoto
B32 - LAYERED PRODUCTS
Information
Patent Grant
Vibration-damping section with sound absorbing material
Patent number
5,756,942
Issue date
May 26, 1998
Kabushiki Kaisha Kobe Seiko Sho
Toshimitsu Tanaka
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Vibration-damping material, its manufacturing method, and structura...
Patent number
5,690,035
Issue date
Nov 25, 1997
Kabushiki Kaisha Kobe Seiko Sho
Tadashi Hatayama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of making heat resistant heavy-duty components of a turbine...
Patent number
4,825,522
Issue date
May 2, 1989
Director-General of the Agency of Industrial Science and Technology
Kenji Iwai
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for postweld heat treatment
Patent number
4,475,963
Issue date
Oct 9, 1984
Kabushiki Kaisha Kobe Seiko Sho
Eiji Takahashi
C21 - METALLURGY OF IRON