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Chihiro Hayashi
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Amagasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing ultrathin-wall seamless metal tube using floati...
Patent number
8,245,553
Issue date
Aug 21, 2012
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing ultra thin wall metallic tube with cold workin...
Patent number
8,141,405
Issue date
Mar 27, 2012
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing ultra thin wall metallic tube by cold rolling...
Patent number
7,992,417
Issue date
Aug 9, 2011
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing ultra thin wall metallic tube with cold workin...
Patent number
7,895,870
Issue date
Mar 1, 2011
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producing ultra thin wall metallic tube by cold drawing p...
Patent number
7,788,959
Issue date
Sep 7, 2010
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing seamless pipes or tubes
Patent number
7,293,443
Issue date
Nov 13, 2007
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Piercing method for manufacturing of seamless pipe
Patent number
7,146,836
Issue date
Dec 12, 2006
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for producing heat sink having good heat dissipating charac...
Patent number
5,794,607
Issue date
Aug 18, 1998
Sumitomo Metal Industries, Ltd.
Toshio Aihara
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat sink having good heat dissipating characteristics
Patent number
5,726,495
Issue date
Mar 10, 1998
Sumitomo Metal Industries, Ltd.
Toshio Aihara
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Piercing-rolling method and piercing/rolling apparatus for seamless...
Patent number
5,636,542
Issue date
Jun 10, 1997
Sumitomo Metal Industries, Ltd.
Tomio Yamakawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Heat sink fin assembly for cooling an LSI package
Patent number
5,625,229
Issue date
Apr 29, 1997
Sumitomo Metal Industries, Ltd.
Masayasu Kojima
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Tube rolling method and apparatus
Patent number
5,533,370
Issue date
Jul 9, 1996
Sumitomo Metal Industries, Ltd.
Kouichi Kuroda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for producing a heat sink fin
Patent number
5,519,938
Issue date
May 28, 1996
Sumitomo Metal Industries, Ltd.
Masayasu Kojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for elongating metal tubes by means of a mandr...
Patent number
5,501,091
Issue date
Mar 26, 1996
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
IC package heat sink fin
Patent number
5,455,382
Issue date
Oct 3, 1995
Sumitomo Metal Industries, Ltd.
Masayasu Kojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pin-finned forged heat sink
Patent number
5,369,301
Issue date
Nov 29, 1994
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing laminated metal belt
Patent number
5,152,047
Issue date
Oct 6, 1992
Sumitomo Metal Industries, Ltd.
Masayasu Kojima
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Metallic material having ultra-fine grain structure and method for...
Patent number
5,080,727
Issue date
Jan 14, 1992
Sumitomo Metal Industries, Ltd.
Kenji Aihara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Multiple-core complex material and method of manufacturing the same
Patent number
5,007,577
Issue date
Apr 16, 1991
Sumitomo Metal Industries Ltd.
Kazuyuki Nakasuji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing clad bar
Patent number
5,004,143
Issue date
Apr 2, 1991
Sumitomo Metal Industries, Ltd.
Kazuyuki Nakasuji
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing metallic tube with spiral fin
Patent number
4,959,985
Issue date
Oct 2, 1990
Sumitomo Metal Industries Ltd.
Kouichi Kuroda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing a finned tube
Patent number
4,901,553
Issue date
Feb 20, 1990
Sumitomo Metal Industries, Ltd.
Kouichi Kuroda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Metal case for housing an IC and a manufacturing method therefor
Patent number
4,852,736
Issue date
Aug 1, 1989
Sumitomo Metal Industries
Masayasu Kojima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of piercing and manufacturing seamless tubes
Patent number
4,827,750
Issue date
May 9, 1989
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Continuous rolling method and continuous rolling mill
Patent number
4,669,293
Issue date
Jun 2, 1987
Sumitomo Metal Industries, Ltd.
Yoshiaki Kusaba
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing I-beam having centrally corrugated web
Patent number
4,597,278
Issue date
Jul 1, 1986
Sumitomo Metal Industries, Ltd.
Masami Hamada
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing metallic materials having a circular cross...
Patent number
4,512,177
Issue date
Apr 23, 1985
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing hollow rods
Patent number
4,510,787
Issue date
Apr 16, 1985
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of piercing in seamless tube manufacturing
Patent number
4,470,282
Issue date
Sep 11, 1984
Sumitomo Kinzoku Kogyo Kabushiki Gaisha
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing beam blank for universal beam
Patent number
4,420,961
Issue date
Dec 20, 1983
Sumitomo Metal Industries, Ltd.
Yoshiaki Kusaba
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING ULTRATHIN-WALL SEAMLESS METAL TUBE BY COLD ROL...
Publication number
20120036911
Publication date
Feb 16, 2012
Sumitomo Metal Industries, Ltd.
Chihiro HAYASHI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PRODUCING SEAMLESS METALLIC TUBE BY COLD ROLLING
Publication number
20110271731
Publication date
Nov 10, 2011
Sumitomo Metal Industries, Ltd.
Chihiro HAYASHI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD OF PRODUCING ULTRATHIN-WALL SEAMLESS METAL TUBE USING FLOATI...
Publication number
20110232352
Publication date
Sep 29, 2011
Sumitomo Metal Industries, Ltd.
Chihiro HAYASHI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PRODUCING ULTRA THIN WALL METALLIC TUBE BY COLD ROLLING...
Publication number
20090145193
Publication date
Jun 11, 2009
Sumitomo Metal Industries, Ltd.
Chihiro Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...