Taku Kumiya

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Powder-amount detection device and image forming apparatus incorpor...
- Patent number 10,599,064
- Issue date Mar 24, 2020
- Ricoh Company, Ltd.
- Masahide Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder-amount detection device and image forming apparatus incorpor...
- Patent number 10,429,770
- Issue date Oct 1, 2019
- Ricoh Company, Ltd.
- Taku Kumiya
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,365,601
- Issue date Jul 30, 2019
- Ricoh Company, Ltd.
- Keita Sone
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20230168608
- Publication date Jun 1, 2023
- Yusuke CHIBA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER-AMOUNT DETECTION DEVICE AND IMAGE FORMING APPARATUS INCORPOR...
- Publication number 20180348673
- Publication date Dec 6, 2018
- RICOH COMPANY, LTD.
- Taku KUMIYA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
POWDER-AMOUNT DETECTION DEVICE AND IMAGE FORMING APPARATUS INCORPOR...
- Publication number 20180341199
- Publication date Nov 29, 2018
- RICOH COMPANY, LTD.
- Masahide YAMASHITA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20180150010
- Publication date May 31, 2018
- Keita SONE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY