Masami Ito

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Charge control agent and toner using same
- Patent number 9,835,965
- Issue date Dec 5, 2017
- Hodogaya Chemical Co., Ltd.
- Masaki Okubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, and toner cartridge
- Patent number 9,703,223
- Issue date Jul 11, 2017
- Hodogaya Chemical Co., Ltd.
- Masaki Okubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge control agent and toner using the same
- Patent number 8,900,785
- Issue date Dec 2, 2014
- Hodogaya Chemical Co., Ltd.
- Ikuo Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Charge control agent and toner using same
- Patent number 8,790,855
- Issue date Jul 29, 2014
- Hodogaya Chemical Co., Ltd.
- Ikuo Kimura
- C07 - ORGANIC CHEMISTRY
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
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
Information Patent Grant
Mono azo iron complex compound, and charge controlling agent and to...
- Patent number 7,402,369
- Issue date Jul 22, 2008
- Hodogaya Chemical Co., Ltd.
- Masaki Okubo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for forming column signals for a liquid crystal display appa...
- Patent number 5,754,157
- Issue date May 19, 1998
- Asahi Glass Company Ltd.
- Takeshi Kuwata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Heat sensitive recording material
- Patent number 5,240,898
- Issue date Aug 31, 1993
- Hodogaya Chemical Co., Ltd.
- Hiroyuki Yoshida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for separating a trihalogenobenzene isomer
- Patent number 4,798,913
- Issue date Jan 17, 1989
- Hodogaya Chemical Co., Ltd.
- Kikuo Otomo
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Charge Control Agent and Toner Using Same
- Publication number 20160216628
- Publication date Jul 28, 2016
- Hodogaya Chemical Co., Ltd.
- Masaki OKUBO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TONER, DEVELOPER, AND TONER CARTRIDGE
- Publication number 20160209769
- Publication date Jul 21, 2016
- Hodogaya Chemical Co., Ltd.
- Masaki OKUBO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGE CONTROLLING AGENT AND TONER USING SAME
- Publication number 20140205945
- Publication date Jul 24, 2014
- Hodogaya Chemical Co., Ltd.
- Ikuo Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CHARGE CONTROL AGENT AND TONER USING SAME
- Publication number 20130177843
- Publication date Jul 11, 2013
- HODOGAYA CHEMICAL CO., LTD.
- Ikuo Kimura
- C07 - ORGANIC CHEMISTRY
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 CONTROL AGENT AND TONER USING THE SAME
- Publication number 20130157190
- Publication date Jun 20, 2013
- Hodogaya Chemical Co., Ltd.
- Ikuo Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CHARGE CONTROLLING AGENT AND TONER USING SAME
- Publication number 20130149641
- Publication date Jun 13, 2013
- Hodogaya Chemical Co., Ltd.
- Ikuo Kimura
- 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
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
Information Patent Application
Mono azo iron complex compound, and charge controlling agent and to...
- Publication number 20070020547
- Publication date Jan 25, 2007
- Hodogaya Chemical Co., Ltd.
- Masaki Okubo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Person

Patents Grantslast 30 patents

Charge control agent and toner using same

Toner, developer, and toner cartridge

Charge control agent and toner using the same

Charge control agent and toner using same

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

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...

Mono azo iron complex compound, and charge controlling agent and to...

Method for forming column signals for a liquid crystal display appa...

Heat sensitive recording material

Method for separating a trihalogenobenzene isomer

Patents Applicationslast 30 patents

Charge Control Agent and Toner Using Same

TONER, DEVELOPER, AND TONER CARTRIDGE

CHARGE CONTROLLING AGENT AND TONER USING SAME

CHARGE CONTROL AGENT AND TONER USING SAME

CHARGE CONTROL AGENT AND TONER USING SAME

CHARGE CONTROL AGENT AND TONER USING THE SAME

CHARGE CONTROLLING 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...

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

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

Mono azo iron complex compound, and charge controlling agent and to...