Masafumi Asakai

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Ibaraki, JP

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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

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 20130266895
- Publication date Oct 10, 2013
- HODOGAYA CHEMICAL CO., LTD.
- Ikuo Kimura
- 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