Ryuta CHIBA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Toner, toner accommodating unit, and image forming apparatus
- Patent number 10,859,932
- Issue date Dec 8, 2020
- Ricoh Company, Ltd.
- Tsuyoshi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Layered inorganic mineral, toner, and image forming apparatus
- Patent number 10,088,766
- Issue date Oct 2, 2018
- Ricoh Company, Ltd.
- Hideyuki Santo
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrostatic image developing toner, developer, and image forming...
- Patent number 9,557,671
- Issue date Jan 31, 2017
- Ricoh Company, Ltd.
- Ryuta Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magenta toner, developer, and image forming apparatus
- Patent number 9,488,925
- Issue date Nov 8, 2016
- Ricoh Company, Ltd.
- Ryuta Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER, TONER ACCOMMODATING UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20180024452
- Publication date Jan 25, 2018
- Tsuyoshi SUGIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LAYERED INORGANIC MINERAL, TONER, AND IMAGE FORMING APPARATUS
- Publication number 20170371257
- Publication date Dec 28, 2017
- Hideyuki SANTO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20150261113
- Publication date Sep 17, 2015
- Akihiro Takeyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGENTA TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20150253687
- Publication date Sep 10, 2015
- Ryuta Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER, DEVELOPER, AND IMAGE FORMING...
- Publication number 20150248070
- Publication date Sep 3, 2015
- Ryuta CHIBA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY