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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of bonding metal plates, apparatus therefor and hot strip mill
Patent number
6,955,287
Issue date
Oct 18, 2005
Hitachi, Ltd.
Kenji Horii
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Rolling mill equipped with on-line roll grinding system and grindin...
Patent number
6,616,511
Issue date
Sep 9, 2003
Hitachi, Ltd.
Shigeru Mori
B24 - GRINDING POLISHING
Information
Patent Grant
Rolling mill equipped with on-line roll grinding system and grindin...
Patent number
6,585,558
Issue date
Jul 1, 2003
Hitachi, Ltd.
Shigeru Mori
B24 - GRINDING POLISHING
Information
Patent Grant
Rolling mill equipped with on-line roll grinding system and grindin...
Patent number
6,450,861
Issue date
Sep 17, 2002
Hitachi, Ltd.
Shigeru Mori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Rolling mill equipped with on-line roll grinding system and grindin...
Patent number
6,306,007
Issue date
Oct 23, 2001
Hitachi, Ltd.
Shigeru Mori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Rolling mill equipped with on-line roll grinding system and grindin...
Patent number
6,283,823
Issue date
Sep 4, 2001
Hitachi, Ltd.
Shigeru Mori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of bonding metal plates, apparatus therefor and hot strip mill
Patent number
6,213,381
Issue date
Apr 10, 2001
Hitachi, Ltd.
Takao Funamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Rolling mill equipped with on-line roll grinding system and grindin...
Patent number
5,954,565
Issue date
Sep 21, 1999
Hitachi Ltd.
Shigeru Mori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of bonding metal plates, apparatus therefor and hot strip mill
Patent number
5,884,832
Issue date
Mar 23, 1999
Hitachi, Ltd.
Takao Funamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for and method of continuous casting
Patent number
5,651,411
Issue date
Jul 29, 1997
Hitachi, Ltd.
Satoshi Hirano
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot strip rolling plant and method directly combined with continuou...
Patent number
5,634,257
Issue date
Jun 3, 1997
Hitachi, Ltd.
Toshiyuki Kajiwara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Integrated manufacturing system
Patent number
5,634,510
Issue date
Jun 3, 1997
Hitachi, Ltd.
Satoshi Hirano
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
System and method for manufacturing thin plate by hot working
Patent number
5,632,177
Issue date
May 27, 1997
Hitachi, Ltd.
Kenjiro Narita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Thin slab continuous casting machine and method
Patent number
5,630,467
Issue date
May 20, 1997
Hitachi, Ltd.
Yasutsugu Yoshimura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Rolling mill equipped with on-line roll grinding system and grindin...
Patent number
5,562,525
Issue date
Oct 8, 1996
Hitachi, Ltd.
Shigeru Mori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Leveling device and leveling method
Patent number
5,329,798
Issue date
Jul 19, 1994
Hitachi, Ltd.
Yoshio Takakura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for joining hot strips
Patent number
5,234,154
Issue date
Aug 10, 1993
Hitachi, Ltd.
Toshiyuki Kajiwara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of and apparatus for joining hot materials to be rolled to e...
Patent number
5,121,873
Issue date
Jun 16, 1992
Hitachi Ltd.
Teruo Sekiya
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Continuous casting apparatus of twin-drum type
Patent number
4,723,590
Issue date
Feb 9, 1988
Hitachi, Ltd.
Takashi Yamauchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Double drum type continuous casting machine
Patent number
4,702,300
Issue date
Oct 27, 1987
Hitachi, Ltd.
Takayuki Nakanori
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cooling apparatus for belt type continuous casting machine
Patent number
4,679,611
Issue date
Jul 14, 1987
Hitachi, Ltd.
Takashi Yoshida
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for preventing oscillation of running strip
Patent number
4,655,166
Issue date
Apr 7, 1987
Hitachi, Ltd.
Kazuyoshi Nishimura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of and apparatus for split rolling of steel sheet
Patent number
4,566,954
Issue date
Jan 28, 1986
Hitachi, Ltd.
Tadahiko Nogami
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Continuous casting apparatus
Patent number
4,271,894
Issue date
Jun 9, 1981
Hitachi, Ltd.
Tomoaki Kimura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cooling and guide method and apparatus in a continuous casting machine
Patent number
4,194,553
Issue date
Mar 25, 1980
Hitachi, Ltd.
Tomoaki Kimura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Coil unwind and wind-up method and apparatus therefor
Patent number
4,123,011
Issue date
Oct 31, 1978
Hitachi, Ltd.
Toshiyuki Kajiwara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Rolling mill equipped with on-line roll grinding system and grindin...
Publication number
20020009950
Publication date
Jan 24, 2002
HITACHI LTD.
Shigeru Mori
B24 - GRINDING POLISHING
Information
Patent Application
Rolling mill equipped with on-line roll grinding system and grindin...
Publication number
20010029153
Publication date
Oct 11, 2001
HITACHI LTD.
Shigeru Mori
B24 - GRINDING POLISHING
Information
Patent Application
Method of bonding metal plates, apparatus therefor and hot strip mill
Publication number
20010017312
Publication date
Aug 30, 2001
HITACHI, LTD., POHANG IRON & STEEL CO., LTD.
kenji Horii
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...