Kazu Niwa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Production method of rubber composition
- Patent number 10,691,037
- Issue date Jun 23, 2020
- Zeon Corporation
- Kazu Niwa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of production of polyether rubber
- Patent number 9,771,454
- Issue date Sep 26, 2017
- Zeon Corporation
- Tomoyuki Narita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of production of polyether rubber
- Patent number 9,732,188
- Issue date Aug 15, 2017
- Zeon Corporation
- Tomoyuki Narita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Full color image forming process
- Patent number 8,092,969
- Issue date Jan 10, 2012
- Zeon Corporation
- Kazu Niwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, production process thereof, and process for forming image
- Patent number 7,422,833
- Issue date Sep 9, 2008
- Zeon Corporation
- Kazu Niwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magenta toner and production process thereof
- Patent number 7,378,207
- Issue date May 27, 2008
- Zeon Corporation
- Fuminari Oyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for electrostatic image development and process for producing...
- Patent number 6,887,637
- Issue date May 3, 2005
- Zeon Corporation
- Kazu Niwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for development of electrostatic image
- Patent number 6,562,535
- Issue date May 13, 2003
- Nippon Zeon Co., Ltd.
- Kojiro Masuo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for development of electrostatic charge image and method for...
- Patent number 6,342,328
- Issue date Jan 29, 2002
- Nippon Zeon Co., Ltd.
- Takahiro Takasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION METHOD OF RUBBER COMPOSITION
- Publication number 20190079426
- Publication date Mar 14, 2019
- Zeon Corporation
- Kazu NIWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF PRODUCTION OF POLYETHER RUBBER
- Publication number 20170029564
- Publication date Feb 2, 2017
- Zeon Corporation
- Tomoyuki NARITA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PRODUCTION METHOD OF RUBBER COMPOSITION
- Publication number 20140097388
- Publication date Apr 10, 2014
- ZEON CHEMICALS L.P.
- Kazu NIWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FULL COLOR IMAGE FORMING PROCESS
- Publication number 20080241719
- Publication date Oct 2, 2008
- Zeon Corporation
- Kazu Niwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Magenta toner and production process thereof
- Publication number 20050250033
- Publication date Nov 10, 2005
- Fuminari Oyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, production process thereof, and process for forming image
- Publication number 20040013961
- Publication date Jan 22, 2004
- Kazu Niwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for electrostatic image development and process for producing...
- Publication number 20030027070
- Publication date Feb 6, 2003
- Kazu Niwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Production method of rubber composition

Method of production of polyether rubber

Method of production of polyether rubber

Full color image forming process

Toner, production process thereof, and process for forming image

Magenta toner and production process thereof

Toner for electrostatic image development and process for producing...

Toner for development of electrostatic image

Toner for development of electrostatic charge image and method for...

Patents Applicationslast 30 patents

PRODUCTION METHOD OF RUBBER COMPOSITION

METHOD OF PRODUCTION OF POLYETHER RUBBER

PRODUCTION METHOD OF RUBBER COMPOSITION

FULL COLOR IMAGE FORMING PROCESS

Magenta toner and production process thereof

Toner, production process thereof, and process for forming image

Toner for electrostatic image development and process for producing...