Takashi Urabe

Person

Shimizu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner particle, electrophotographic toner, developing agent, toner...
- Patent number 10,151,992
- Issue date Dec 11, 2018
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner containing particles having flaky shape and made of bright pi...
- Patent number 10,095,141
- Issue date Oct 9, 2018
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner having toner particles including a colorant and particles not...
- Patent number 10,048,607
- Issue date Aug 14, 2018
- Kabushiki Kaisha Toshiba
- Junichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner containing crystalline polyester resin and method of manufact...
- Patent number 9,964,882
- Issue date May 8, 2018
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner particle, electrophotographic toner, developing agent, toner...
- Patent number 9,811,015
- Issue date Nov 7, 2017
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic printed object and manufacture method for the same
- Patent number 9,803,158
- Issue date Oct 31, 2017
- Kabushiki Kaisha Toshiba
- Maiko Yoshida
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Toner including microcapsules that contain a fragrant material
- Patent number 9,785,066
- Issue date Oct 10, 2017
- Kabushiki Kaisha Toshiba
- Maiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,760,039
- Issue date Sep 12, 2017
- Kabushiki Kaisha Toshiba
- Taishi Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing toner by managing zeta-potentials of particles
- Patent number 9,684,256
- Issue date Jun 20, 2017
- Kabushiki Kaisha Toshiba
- Satoshi Araki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of producing electrophotographic toner, electrophotographic...
- Patent number 9,665,022
- Issue date May 30, 2017
- Kabushiki Kaisha Toshiba
- Satoshi Araki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner containing particles having flaky shape and made of bright pi...
- Patent number 9,651,884
- Issue date May 16, 2017
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner containing aromatic materials and method of forming an image...
- Patent number 9,651,881
- Issue date May 16, 2017
- Kabushiki Kaisha Toshiba
- Maiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic printed object and manufacture method for the same
- Patent number 9,639,012
- Issue date May 2, 2017
- Kabushiki Kaisha Toshiba
- Maiko Yoshida
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Toner containing crystalline polyester resin and method of manufact...
- Patent number 9,575,427
- Issue date Feb 21, 2017
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,417,578
- Issue date Aug 16, 2016
- Kabushiki Kaisha Toshiba
- Taishi Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of producing electrophotographic toner, toner cartridge, and...
- Patent number 9,354,532
- Issue date May 31, 2016
- Kabushiki Kaisha Toshiba
- Maiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner containing aromatic materials and method of forming an image...
- Patent number 9,291,928
- Issue date Mar 22, 2016
- Kabushiki Kaisha Toshiba
- Maiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent and method for producing developing agent
- Patent number 8,227,167
- Issue date Jul 24, 2012
- Kabushiki Kaisha Toshiba
- Tsuyoshi Itou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent
- Patent number 8,029,962
- Issue date Oct 4, 2011
- Kabushiki Kaisha Toshiba
- Takayasu Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing developing agent
- Patent number 8,012,661
- Issue date Sep 6, 2011
- Kabushiki Kaisha Toshiba
- Motonari Udo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent and method for manufacturing the same
- Patent number 8,003,290
- Issue date Aug 23, 2011
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing developing agent
- Patent number 7,985,525
- Issue date Jul 26, 2011
- Kabushiki Kaisha Toshiba
- Masahiro Ikuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent and method for producing the same
- Patent number 7,981,587
- Issue date Jul 19, 2011
- Kabushiki Kaisha Toshiba
- Takayasu Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent and method for manufacturing the same
- Patent number 7,960,086
- Issue date Jun 14, 2011
- Kabushiki Kaisha Toshiba
- Takayasu Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent and method for manufacturing the same
- Patent number 7,901,862
- Issue date Mar 8, 2011
- Kabushiki Kaisha Toshiba
- Tsuyoshi Itou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent and method for producing the same
- Patent number 7,851,120
- Issue date Dec 14, 2010
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent
- Patent number 7,846,634
- Issue date Dec 7, 2010
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent and method for manufacturing the same
- Patent number 7,794,912
- Issue date Sep 14, 2010
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing developing agent
- Patent number 7,763,408
- Issue date Jul 27, 2010
- Kabushiki Kaisha Toshiba
- Motonari Udo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Manufacturing method of resin for developing agent
- Patent number 7,705,096
- Issue date Apr 27, 2010
- Kabushiki Kaisha Toshiba
- Motonari Udo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
TONER PARTICLE, ELECTROPHOTOGRAPHIC TONER, DEVELOPING AGENT, TONER...
- Publication number 20180039195
- Publication date Feb 8, 2018
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER HAVING TONER PARTICLES INCLUDING A COLORANT AND PARTICLES NOT...
- Publication number 20170307992
- Publication date Oct 26, 2017
- Kabushiki Kaisha Toshiba
- Junichi ISHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINING PARTICLES HAVING FLAKY SHAPE AND MADE OF BRIGHT PI...
- Publication number 20170205720
- Publication date Jul 20, 2017
- Kabushiki Kaisha Toshiba
- Takashi URABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
AROMATIC PRINTED OBJECT AND MANUFACTURE METHOD FOR THE SAME
- Publication number 20170183605
- Publication date Jun 29, 2017
- Kabushiki Kaisha Toshiba
- Maiko Yoshida
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
TONER PARTICLE, ELECTROPHOTOGRAPHIC TONER, DEVELOPING AGENT, TONER...
- Publication number 20170146918
- Publication date May 25, 2017
- Toshiba Tec Kabushiki Kaisha
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINING CRYSTALLINE POLYESTER RESIN AND METHOD OF MANUFACT...
- Publication number 20170123335
- Publication date May 4, 2017
- Kabushiki Kaisha Toshiba
- Takashi URABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170123350
- Publication date May 4, 2017
- Kabushiki Kaisha Toshiba
- Taishi Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINING CRYSTALLINE POLYESTER RESIN AND METHOD OF MANUFACT...
- Publication number 20170017172
- Publication date Jan 19, 2017
- Kabushiki Kaisha Toshiba
- Takashi URABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC TONER AND MANUFACTURING METHOD THEREOF, TONER C...
- Publication number 20160349636
- Publication date Dec 1, 2016
- Kabushiki Kaisha Toshiba
- Taishi Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER INCLUDING MICROCAPSULES THAT CONTAIN A FRAGRANT MATERIAL
- Publication number 20160327880
- Publication date Nov 10, 2016
- Kabushiki Kaisha Toshiba
- Maiko YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINING AROMATIC MATERIALS AND METHOD OF FORMING AN IMAGE...
- Publication number 20160154332
- Publication date Jun 2, 2016
- Kabushiki Kaisha Toshiba
- Maiko YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PRODUCING TONER BY MANAGING ZETA-POTENTIALS OF PARTICLES
- Publication number 20160077453
- Publication date Mar 17, 2016
- Kabushiki Kaisha Toshiba
- Satoshi ARAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER HAVING TONER PARTICLES INCLUDING A COLORANT AND PARTICLES NOT...
- Publication number 20160070190
- Publication date Mar 10, 2016
- Kabushiki Kaisha Toshiba
- Junichi ISHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINING PARTICLES HAVING FLAKY SHAPE AND MADE OF BRIGHT PI...
- Publication number 20160054670
- Publication date Feb 25, 2016
- Toshiba Tec Kabushiki Kaisha
- Takashi URABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC TONER AND MANUFACTURING METHOD THEREOF, TONER C...
- Publication number 20150378270
- Publication date Dec 31, 2015
- Kabushiki Kaisha Toshiba
- Taishi Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF PRODUCING ELECTROPHOTOGRAPHIC TONER, TONER CARTRIDGE, AND...
- Publication number 20150370183
- Publication date Dec 24, 2015
- Kabushiki Kaisha Toshiba
- MAIKO YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF PRODUCING ELECTROPHOTOGRAPHIC TONER, ELECTROPHOTOGRAPHIC...
- Publication number 20150370184
- Publication date Dec 24, 2015
- Kabushiki Kaisha Toshiba
- Satoshi Araki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINING AROMATIC MATERIALS AND METHOD OF FORMING AN IMAGE...
- Publication number 20150132697
- Publication date May 14, 2015
- Kabushiki Kaisha Toshiba
- Maiko YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER, METHOD FOR PRODUCING THE SAME, AND METHOD FOR EVALUATING...
- Publication number 20120135345
- Publication date May 31, 2012
- Toshiba Tec Kabushiki Kaisha
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROHPHOTOGRAPHIC TONER
- Publication number 20110262851
- Publication date Oct 27, 2011
- Toshiba Tec Kabushiki Kaisha
- Taishi Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC TONER AND METHOD FOR PRODUCING ELECTROPHOTOGRAP...
- Publication number 20110123919
- Publication date May 26, 2011
- Toshiba Tec Kabushiki Kaisha
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20110014558
- Publication date Jan 20, 2011
- Kabushiki Kaisha Toshiba
- Masahiro Ikuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20100310981
- Publication date Dec 9, 2010
- Kabushiki Kaisha Toshiba
- Junichi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20100209840
- Publication date Aug 19, 2010
- Kabushiki Kaisha Toshiba
- Masahiro Ikuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PRODUCING DEVELOPING AGENT
- Publication number 20100159386
- Publication date Jun 24, 2010
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING AGENT AND METHOD FOR PRODUCING DEVELOPING AGENT
- Publication number 20100009281
- Publication date Jan 14, 2010
- Kabushiki Kaisha Toshiba
- Tsuyoshi Itou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20100009276
- Publication date Jan 14, 2010
- Kabushiki Kaisha Toshiba
- Takayasu Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PRODUCING DEVELOPING AGENT
- Publication number 20090246682
- Publication date Oct 1, 2009
- Kabushiki Kaisha Toshiba
- Takafumi Hara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20090155708
- Publication date Jun 18, 2009
- Kabushiki Kaisha Toshiba
- Takashi Urabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PRODUCING DEVELOPING AGENT
- Publication number 20090155702
- Publication date Jun 18, 2009
- Kabushiki Kaisha Toshiba
- Masahiro Ikuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takashi Urabe

Person

Patents Grantslast 30 patents

Toner particle, electrophotographic toner, developing agent, toner...

Toner containing particles having flaky shape and made of bright pi...

Toner having toner particles including a colorant and particles not...

Toner containing crystalline polyester resin and method of manufact...

Toner particle, electrophotographic toner, developing agent, toner...

Aromatic printed object and manufacture method for the same

Toner including microcapsules that contain a fragrant material

Image forming apparatus and image forming method

Method for producing toner by managing zeta-potentials of particles

Method of producing electrophotographic toner, electrophotographic...

Toner containing particles having flaky shape and made of bright pi...

Toner containing aromatic materials and method of forming an image...

Aromatic printed object and manufacture method for the same

Toner containing crystalline polyester resin and method of manufact...

Image forming apparatus and image forming method

Method of producing electrophotographic toner, toner cartridge, and...

Toner containing aromatic materials and method of forming an image...

Developing agent and method for producing developing agent

Developing agent

Method for producing developing agent

Developing agent and method for manufacturing the same

Method for producing developing agent

Developing agent and method for producing the same

Developing agent and method for manufacturing the same

Developing agent and method for manufacturing the same

Developing agent and method for producing the same

Developing agent

Developing agent and method for manufacturing the same

Method for manufacturing developing agent

Manufacturing method of resin for developing agent

Patents Applicationslast 30 patents

TONER PARTICLE, ELECTROPHOTOGRAPHIC TONER, DEVELOPING AGENT, TONER...

TONER HAVING TONER PARTICLES INCLUDING A COLORANT AND PARTICLES NOT...

TONER CONTAINING PARTICLES HAVING FLAKY SHAPE AND MADE OF BRIGHT PI...

AROMATIC PRINTED OBJECT AND MANUFACTURE METHOD FOR THE SAME

TONER PARTICLE, ELECTROPHOTOGRAPHIC TONER, DEVELOPING AGENT, TONER...

TONER CONTAINING CRYSTALLINE POLYESTER RESIN AND METHOD OF MANUFACT...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

TONER CONTAINING CRYSTALLINE POLYESTER RESIN AND METHOD OF MANUFACT...

ELECTROPHOTOGRAPHIC TONER AND MANUFACTURING METHOD THEREOF, TONER C...

TONER INCLUDING MICROCAPSULES THAT CONTAIN A FRAGRANT MATERIAL

TONER CONTAINING AROMATIC MATERIALS AND METHOD OF FORMING AN IMAGE...

METHOD FOR PRODUCING TONER BY MANAGING ZETA-POTENTIALS OF PARTICLES

TONER HAVING TONER PARTICLES INCLUDING A COLORANT AND PARTICLES NOT...

TONER CONTAINING PARTICLES HAVING FLAKY SHAPE AND MADE OF BRIGHT PI...

ELECTROPHOTOGRAPHIC TONER AND MANUFACTURING METHOD THEREOF, TONER C...

METHOD OF PRODUCING ELECTROPHOTOGRAPHIC TONER, TONER CARTRIDGE, AND...

METHOD OF PRODUCING ELECTROPHOTOGRAPHIC TONER, ELECTROPHOTOGRAPHIC...

TONER CONTAINING AROMATIC MATERIALS AND METHOD OF FORMING AN IMAGE...

DEVELOPER, METHOD FOR PRODUCING THE SAME, AND METHOD FOR EVALUATING...

ELECTROHPHOTOGRAPHIC TONER

ELECTROPHOTOGRAPHIC TONER AND METHOD FOR PRODUCING ELECTROPHOTOGRAP...

DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME

DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME

DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME

METHOD FOR PRODUCING DEVELOPING AGENT

DEVELOPING AGENT AND METHOD FOR PRODUCING DEVELOPING AGENT

DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME

METHOD FOR PRODUCING DEVELOPING AGENT

DEVELOPING AGENT AND METHOD FOR PRODUCING THE SAME

METHOD FOR PRODUCING DEVELOPING AGENT