Katsuhiko Fujii

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carrier for forming electrophotographic image, developer for formin...
- Patent number 11,513,447
- Issue date Nov 29, 2022
- Ricoh Company, Ltd.
- Yuuya Takabayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for forming electrophotographic image, two-component develo...
- Patent number 10,990,027
- Issue date Apr 27, 2021
- Ricoh Company, Ltd.
- Yuuya Takabayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
THREE-DIMENSIONAL FORMING KIT AND THREE-DIMENSIONAL FORMED OBJECT P...
- Publication number 20230036748
- Publication date Feb 2, 2023
- RICOH COMPANY, LTD.
- Kohsuke Miyazaki
- B22 - CASTING POWDER METALLURGY
Information Patent Application
CARRIER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, DEVELOPER FOR FORMIN...
- Publication number 20210141319
- Publication date May 13, 2021
- Yuuya TAKABAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, TWO-COMPONENT DEVELO...
- Publication number 20200103778
- Publication date Apr 2, 2020
- Yuuya TAKABAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY