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Toshiyuki Hattori
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Kitakyusyu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Centrifugally cast composite roll for hot rolling
Patent number
11,712,723
Issue date
Aug 1, 2023
PROTERIAL, LTD.
Yasunori Nozaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite cemented carbide roll, and production method of composite...
Patent number
11,590,545
Issue date
Feb 28, 2023
Hitachi Metals, Ltd.
Takumi Ohata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Online crack detection device for rolling roll, rolling roll, and o...
Patent number
11,340,196
Issue date
May 24, 2022
Hitachi Metals, Ltd.
Keishi Sato
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Composite roll for rolling and its production method
Patent number
11,224,907
Issue date
Jan 18, 2022
Hitachi Metals, Ltd.
Yasunori Nozaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite roll for rolling and its production method
Patent number
11,192,156
Issue date
Dec 7, 2021
Hitachi Metals, Ltd.
Yasunori Nozaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Centrifugally cast, hot-rolling composite roll
Patent number
9,815,098
Issue date
Nov 14, 2017
Hitachi Metals, Ltd.
Toshiyuki Hattori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Centrifugally cast composite roll and its production method
Patent number
9,724,740
Issue date
Aug 8, 2017
Hitachi Metals, Ltd.
Nozomu Oda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Centrifugally cast, hot-rolling composite roll
Patent number
9,718,106
Issue date
Aug 1, 2017
Hitachi Metals, Ltd.
Toshiyuki Hattori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Centrifugally cast composite roll and its production method
Patent number
9,044,807
Issue date
Jun 2, 2015
Hitachi Metals, Ltd.
Nozomu Oda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Wear- and seizing-resistant roll for hot rolling and method of maki...
Patent number
5,514,065
Issue date
May 7, 1996
Hitachi Metals, Ltd.
Akira Noda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Compound roll and method of producing same
Patent number
5,484,372
Issue date
Jan 16, 1996
Hitachi Metals, Ltd.
Ryosaku Nawata
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producing a compound roll
Patent number
5,355,932
Issue date
Oct 18, 1994
Hitachi Metals, Ltd.
Ryosaku Nawata
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for wear-resistant compound roll manufacture
Patent number
5,225,007
Issue date
Jul 6, 1993
Hitachi Metals Ltd.
Toshiyuki Hattori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
CENTRIFUGALLY CAST COMPOSITE ROLL FOR HOT ROLLING
Publication number
20220339685
Publication date
Oct 27, 2022
Hitachi Metals, Ltd.
Yasunori NOZAKI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COMPOSITE CEMENTED CARBIDE ROLL, AND PRODUCTION METHOD OF COMPOSITE...
Publication number
20210370371
Publication date
Dec 2, 2021
Hitachi Metals, Ltd.
Takumi OHATA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COMPOSITE ROLL FOR ROLLING AND ITS PRODUCTION METHOD
Publication number
20210237134
Publication date
Aug 5, 2021
Hitachi Metals, Ltd.
Yasunori NOZAKI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ONLINE CRACK DETECTION DEVICE FOR ROLLING ROLL, ROLLING ROLL, AND O...
Publication number
20200309740
Publication date
Oct 1, 2020
Hitachi Metals, Ltd.
Keishi SATO
G01 - MEASURING TESTING
Information
Patent Application
COMPOSITE ROLL FOR ROLLING AND ITS PRODUCTION METHOD
Publication number
20190366402
Publication date
Dec 5, 2019
Hitachi Metals, Ltd.
Yasunori NOZAKI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CENTRIFUGALLY CAST, HOT-ROLLING COMPOSITE ROLL
Publication number
20160207084
Publication date
Jul 21, 2016
Hitachi Metals, Ltd.
Toshiyuki HATTORI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CENTRIFUGALLY CAST COMPOSITE ROLL AND ITS PRODUCTION METHOD
Publication number
20160193637
Publication date
Jul 7, 2016
Hitachi Metals, Ltd.
Nozomu ODA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CENTRIFUGALLY CAST, HOT-ROLLING COMPOSITE ROLL
Publication number
20160193638
Publication date
Jul 7, 2016
Hitachi Metals, Ltd.
Toshiyuki HATTORI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CENTRIFUGALLY CAST COMPOSITE ROLL AND ITS PRODUCTION METHOD
Publication number
20140377587
Publication date
Dec 25, 2014
Hitachi Metals, Ltd.
Nozomu Oda
B32 - LAYERED PRODUCTS
Information
Patent Application
Cemented carbide composite rolls for strip rolling
Publication number
20060035082
Publication date
Feb 16, 2006
HITACHI METALS, LTD
Toshiyuki Hattori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Composite roll of cemented carbide, and steel hot-rolling method us...
Publication number
20020155934
Publication date
Oct 24, 2002
Hideo Kijima
B22 - CASTING POWDER METALLURGY