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Sumito Hashimoto
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary hearth furnace, and method for producing reduced iron using...
Patent number
11,428,468
Issue date
Aug 30, 2022
Kobe Steel, Ltd.
Tomoki Uemura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing granular metallic iron
Patent number
9,180,521
Issue date
Nov 10, 2015
Kobe Steel, Ltd.
Ryota Misawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Rotary hearth furnace and method of operating the same
Patent number
8,034,283
Issue date
Oct 11, 2011
Kobe Steel, Ltd.
Masahiko Tetsumoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Screw conveyor and operation control method for the same
Patent number
7,993,572
Issue date
Aug 9, 2011
Kobe Steel, Ltd.
Masahiko Tetsumoto
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Rotary hearth furnace
Patent number
7,922,484
Issue date
Apr 12, 2011
Kobe Steel, Ltd.
Masahiko Tetsumoto
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Seal structure of solid feeding screw, and method of manufacturing...
Patent number
7,204,689
Issue date
Apr 17, 2007
Kobe Steel, Ltd.
Sumito Hashimoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Rotary hearth furnace and screw thereof for discharging reduced iron
Patent number
6,814,924
Issue date
Nov 9, 2004
Kobe Steel, Ltd.
Yoshihiro Urabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Moving-hearth heating furnace and method for making reduced metal a...
Patent number
6,790,255
Issue date
Sep 14, 2004
Kobe Steel, Ltd.
Sumito Hashimoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Discharge apparatus for movable hearth type heat-treatment furnace,...
Patent number
6,669,756
Issue date
Dec 30, 2003
Kabushiki Kaisha Kobe Seiko Sho
Yoshihiro Urabe
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Rotary hearth furnace and screw thereof for discharging reduced iron
Patent number
6,660,221
Issue date
Dec 9, 2003
Kabushiki Kaisha Kobe Seiko Sho
Yoshihiro Urabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing reduced iron agglomerates
Patent number
6,258,149
Issue date
Jul 10, 2001
Kabushiki Kaisha Kobe Seiko Sho
Takeshi Sugiyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing reduced iron agglomerates
Patent number
6,129,777
Issue date
Oct 10, 2000
Kabushiki Kaisha Kobe Seiko Sho
Kojiro Fuji
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
ROTARY HEARTH FURNACE, AND METHOD FOR PRODUCING REDUCED IRON USING...
Publication number
20190301800
Publication date
Oct 3, 2019
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Tomoki UEMURA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRANULAR METALLIC IRON
Publication number
20130098204
Publication date
Apr 25, 2013
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Ryota Misawa
C21 - METALLURGY OF IRON
Information
Patent Application
Rotary Hearth Furnace And Method Of Operating The Same
Publication number
20090160107
Publication date
Jun 25, 2009
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Masahiko Tetsumoto
C21 - METALLURGY OF IRON
Information
Patent Application
SCREW CONVEYOR AND OPERATION CONTROL METHOD FOR THE SAME
Publication number
20090145725
Publication date
Jun 11, 2009
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.)
Masahiko Tetsumoto
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
ROTARY HEARTH FURNACE
Publication number
20090136887
Publication date
May 28, 2009
KAB KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)
Masahiko Tetsumoto
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
Seal structure of solid feeding screw, and method of manufacturing...
Publication number
20060147866
Publication date
Jul 6, 2006
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Sumito Hashimoto
C21 - METALLURGY OF IRON
Information
Patent Application
Rotary hearth furnace and screw thereof for discharging reduced iron
Publication number
20030201585
Publication date
Oct 30, 2003
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)
Yoshihiro Urabe
C21 - METALLURGY OF IRON
Information
Patent Application
Rotary hearth furnace and screw thereof for discharging reduced iron
Publication number
20030075842
Publication date
Apr 24, 2003
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD)
Yoshihiro Urabe
C21 - METALLURGY OF IRON
Information
Patent Application
Moving-hearth heating furnace and method for making reduced metal a...
Publication number
20030015064
Publication date
Jan 23, 2003
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD)
Sumito Hashimoto
C21 - METALLURGY OF IRON
Information
Patent Application
Discharge apparatus for movable hearth type heat-treatment furnace,...
Publication number
20020024172
Publication date
Feb 28, 2002
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Yoshihiro Urabe
F27 - FURNACES KILNS OVENS RETORTS