Keigo Watanabe

Person

Iwakuni-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cooking process of lignocellulose material
- Patent number 9,145,642
- Issue date Sep 29, 2015
- Nippon Paper Industries Co., Ltd.
- Kazuhiro Kurosu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for beating pulp, methods for treating process waters, and...
- Patent number 8,784,608
- Issue date Jul 22, 2014
- Nippon Paper Industries Co., Ltd.
- Shisei Goto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for treating papermaking feedstock
- Patent number 8,123,909
- Issue date Feb 28, 2012
- Nippon Paper Industries Co., Ltd.
- Isao Onodera
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for producing recycled pulp, methods for modifying pulp fib...
- Patent number 8,088,254
- Issue date Jan 3, 2012
- Nippon Paper Industries Co., Ltd.
- Shisei Goto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for beating pulp, methods for treating process waters, and...
- Patent number 7,967,947
- Issue date Jun 28, 2011
- Nippon Paper Industries Co., Ltd.
- Shisei Goto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for producing recycled pulp and methods for modifying pulp...
- Patent number 7,727,355
- Issue date Jun 1, 2010
- Nippon Paper Industries Co., Ltd.
- Shisei Goto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for impregnating, refining, and bleaching wood chips having...
- Patent number 7,384,502
- Issue date Jun 10, 2008
- Nippon Paper Industries Co., Ltd.
- Yasuyuki Kamijo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cooking method for pulp
- Patent number 7,056,418
- Issue date Jun 6, 2006
- Kawasaki Kasei Chemicals Ltd.
- Tatsuya Andoh
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recovering chemicals in a process of producing pulp by k...
- Patent number 6,585,880
- Issue date Jul 1, 2003
- Nippon Paper Industries Co., Ltd.
- Keigo Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing polysulfides by means of electrolytic oxidation
- Patent number 6,517,699
- Issue date Feb 11, 2003
- Asahi Glass Company, Limited
- Tetsuji Shimohira
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
COOKING PROCESS OF LIGNOCELLULOSE MATERIAL
- Publication number 20120067533
- Publication date Mar 22, 2012
- Kazuhiro Kurosu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Methods for beating pulp, methods for treating process waters, and...
- Publication number 20110226428
- Publication date Sep 22, 2011
- Nippon Paper Industries Co., Ltd.
- Shisei Goto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Methods for producing recycled pulp, methods for modifying pulp fib...
- Publication number 20100147479
- Publication date Jun 17, 2010
- Nippon Paper Industries Co., Ltd.
- Shisei GOTO
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method for recovering performance of electrolyzer for use in produc...
- Publication number 20090242422
- Publication date Oct 1, 2009
- Kazuhiro Kurosu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
APPARATUS FOR TREATING PAPERMAKING FEEDSTOCK
- Publication number 20090114360
- Publication date May 7, 2009
- Nippon Paper Industries Co., Ltd.
- Isao Onodera
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Methods for Beating Pulp, Methods for Treating Process Waters, and...
- Publication number 20080078518
- Publication date Apr 3, 2008
- Shisei Goto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Methods for producing recycled pulp, methods for modifying pulp fib...
- Publication number 20070137804
- Publication date Jun 21, 2007
- Shisei Goto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Processes for preparing mechanical pulps having high brightness
- Publication number 20040118529
- Publication date Jun 24, 2004
- Yasuyuki Kamijo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Cooking method for pulp
- Publication number 20020088576
- Publication date Jul 11, 2002
- Kawasaki Kasei Chemicals Ltd.
- Tatsuya Andoh
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for producing polysulfides by means of electronlytic oxidation
- Publication number 20020053520
- Publication date May 9, 2002
- ASAHI GLASS COMPANY, LTD.
- Tetsuji Shimohira
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Keigo Watanabe

Person

Patents Grantslast 30 patents

Cooking process of lignocellulose material

Methods for beating pulp, methods for treating process waters, and...

Apparatus for treating papermaking feedstock

Methods for producing recycled pulp, methods for modifying pulp fib...

Methods for beating pulp, methods for treating process waters, and...

Methods for producing recycled pulp and methods for modifying pulp...

Process for impregnating, refining, and bleaching wood chips having...

Cooking method for pulp

Method for recovering chemicals in a process of producing pulp by k...

Method for producing polysulfides by means of electrolytic oxidation

Patents Applicationslast 30 patents

COOKING PROCESS OF LIGNOCELLULOSE MATERIAL

Methods for beating pulp, methods for treating process waters, and...

Methods for producing recycled pulp, methods for modifying pulp fib...

Method for recovering performance of electrolyzer for use in produc...

APPARATUS FOR TREATING PAPERMAKING FEEDSTOCK

Methods for Beating Pulp, Methods for Treating Process Waters, and...

Methods for producing recycled pulp, methods for modifying pulp fib...

Processes for preparing mechanical pulps having high brightness

Cooking method for pulp

Method for producing polysulfides by means of electronlytic oxidation