Masateru Yasumura

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Methods for producing oxidized cyclic phenol sulfides
- Patent number 8,624,065
- Issue date Jan 7, 2014
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for producing cyclic phenol sulfides
- Patent number 8,263,786
- Issue date Sep 11, 2012
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for producing oxidized cyclic phenol sulfides
- Patent number 8,232,429
- Issue date Jul 31, 2012
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for continuously producing oxidized cyclic phenol sulfides
- Patent number 8,222,428
- Issue date Jul 17, 2012
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing N,N′-carbonyldiimidazole
- Patent number 7,964,626
- Issue date Jun 21, 2011
- Hodogaya Chemical Co., Ltd.
- Yoshikazu Aoki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixed cyclic phenol sulfides, and charge control agents and toners...
- Patent number 7,901,858
- Issue date Mar 8, 2011
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxidized mixed cyclic phenol sulfides, and charge control agents an...
- Patent number 7,820,832
- Issue date Oct 26, 2010
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxidized mixed cyclic phenol sulfides, and charge control agents an...
- Patent number 7,709,172
- Issue date May 4, 2010
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CHARGE CONTROL AGENT AND TONER USING SAME
- Publication number 20130177844
- Publication date Jul 11, 2013
- HODOGAYA CHEMICAL CO., LTD.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CHARGE CONTROLLING AGENT AND TONER USING SAME
- Publication number 20120315576
- Publication date Dec 13, 2012
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES
- Publication number 20120253054
- Publication date Oct 4, 2012
- HODOGAYA CHEMICAL CO., LTD.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polymerized Toner Comprising Cyclic Phenol Sulfide
- Publication number 20120141931
- Publication date Jun 7, 2012
- Masateru Yasumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charge Controlling Agent and Toner Using Metal Compound of Cyclic P...
- Publication number 20110045396
- Publication date Feb 24, 2011
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR CONTINUOUSLY PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES
- Publication number 20110028737
- Publication date Feb 3, 2011
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES
- Publication number 20090275783
- Publication date Nov 5, 2009
- HODOGAYA CHEMICAL CO., LTD.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PRODUCING CYCLIC PHENOL SULFIDES
- Publication number 20090264661
- Publication date Oct 22, 2009
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
OXIDIZED MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AN...
- Publication number 20090239169
- Publication date Sep 24, 2009
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process For Producing N,N'-Carbonyldiimidazole
- Publication number 20090088575
- Publication date Apr 2, 2009
- HODOGAYA CHEMICAL CO., LTD.
- Yoshikazu Aoki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
OXIDIZED MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AN...
- Publication number 20090042120
- Publication date Feb 12, 2009
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AND TONERS...
- Publication number 20090035678
- Publication date Feb 5, 2009
- Hodogaya Chemical Co., Ltd.
- Masateru Yasumura
- C07 - ORGANIC CHEMISTRY

Masateru Yasumura

Person

Patents Grantslast 30 patents

Methods for producing oxidized cyclic phenol sulfides

Methods for producing cyclic phenol sulfides

Methods for producing oxidized cyclic phenol sulfides

Method for continuously producing oxidized cyclic phenol sulfides

Process for producing N,N′-carbonyldiimidazole

Mixed cyclic phenol sulfides, and charge control agents and toners...

Oxidized mixed cyclic phenol sulfides, and charge control agents an...

Oxidized mixed cyclic phenol sulfides, and charge control agents an...

Patents Applicationslast 30 patents

CHARGE CONTROL AGENT AND TONER USING SAME

CHARGE CONTROLLING AGENT AND TONER USING SAME

METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES

Polymerized Toner Comprising Cyclic Phenol Sulfide

Charge Controlling Agent and Toner Using Metal Compound of Cyclic P...

METHOD FOR CONTINUOUSLY PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES

METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES

METHODS FOR PRODUCING CYCLIC PHENOL SULFIDES

OXIDIZED MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AN...

Process For Producing N,N'-Carbonyldiimidazole

OXIDIZED MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AN...

MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AND TONERS...