Natsuo Ishiwata

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Blast furnace apparatus and operation method for blast furnace
- Patent number 11,940,215
- Issue date Mar 26, 2024
- JFE Steel Corporation
- Yusuke Kashihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Blast furnace apparatus and operation method for blast furnace
- Patent number 11,512,899
- Issue date Nov 29, 2022
- JFE Steel Corporation
- Yusuke Kashihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing pig iron
- Patent number 8,298,316
- Issue date Oct 30, 2012
- JFE Steel Corporation
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for discharging reduced product from a movable-hearth furnac...
- Patent number 7,473,393
- Issue date Jan 6, 2009
- JFE Steel Corporation
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for discharging reduced product from a movable-hearth furnac...
- Patent number 7,141,205
- Issue date Nov 28, 2006
- JFE Steel Corporation
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for discharging reduced product from a movable-hearth furnac...
- Patent number 6,872,074
- Issue date Mar 29, 2005
- JFE Steel Corporation
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
BLAST FURNACE OPERATION METHOD
- Publication number 20230175085
- Publication date Jun 8, 2023
- JFE STEEL CORPORATION
- Kazuhira ICHIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
BLAST FURNACE APPARATUS AND OPERATION METHOD FOR BLAST FURNACE
- Publication number 20210190426
- Publication date Jun 24, 2021
- JFE STEEL CORPORATION
- Yusuke KASHIHARA
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
BLAST FURNACE APPARATUS AND OPERATION METHOD FOR BLAST FURNACE
- Publication number 20210041172
- Publication date Feb 11, 2021
- JFE STEEL CORPORATION
- Yusuke KASHIHARA
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR PRODUCING PIG IRON
- Publication number 20110041652
- Publication date Feb 24, 2011
- JFE STEEL CORPORATION
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING REDUCED IRON
- Publication number 20110036204
- Publication date Feb 17, 2011
- JFE STEEL CORPORATION
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Application
Method for discharging reduced product from a movable-hearth furnac...
- Publication number 20070051203
- Publication date Mar 8, 2007
- JFE Steel Corporation, a corporation of Japan
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Application
Method for discharging reduced product from a movable-hearth furnac...
- Publication number 20050103160
- Publication date May 19, 2005
- JFE Steel Corporation, a corporation of Japan
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Application
Method for discharging reduced product from a movable-hearth furnac...
- Publication number 20040202979
- Publication date Oct 14, 2004
- JFE Steel Corporation, a corporation of Japan
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON
Information Patent Application
Method for discharging reduced product from a moveable-hearth furna...
- Publication number 20020053307
- Publication date May 9, 2002
- Natsuo Ishiwata
- C21 - METALLURGY OF IRON

Natsuo Ishiwata

Person

Patents Grantslast 30 patents

Blast furnace apparatus and operation method for blast furnace

Blast furnace apparatus and operation method for blast furnace

Method for producing pig iron

Method for discharging reduced product from a movable-hearth furnac...

Method for discharging reduced product from a movable-hearth furnac...

Method for discharging reduced product from a movable-hearth furnac...

Patents Applicationslast 30 patents

BLAST FURNACE OPERATION METHOD

BLAST FURNACE APPARATUS AND OPERATION METHOD FOR BLAST FURNACE

BLAST FURNACE APPARATUS AND OPERATION METHOD FOR BLAST FURNACE

METHOD FOR PRODUCING PIG IRON

METHOD FOR PRODUCING REDUCED IRON

Method for discharging reduced product from a movable-hearth furnac...

Method for discharging reduced product from a movable-hearth furnac...

Method for discharging reduced product from a movable-hearth furnac...

Method for discharging reduced product from a moveable-hearth furna...