Ryuhei WARAGAI

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sheet separation device and image forming apparatus incorporating same
- Patent number 11,390,475
- Issue date Jul 19, 2022
- Ricoh Company, Ltd.
- Ryuhei Waragai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper feeding device and image forming apparatus
- Patent number 10,040,647
- Issue date Aug 7, 2018
- Ricoh Company, Limited
- Ryuhei Waragai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus
- Patent number 9,126,783
- Issue date Sep 8, 2015
- Ricoh Company, Limited
- Naoki Oikawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
SHEET SEPARATION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20200299081
- Publication date Sep 24, 2020
- Ricoh Company, Ltd.
- Ryuhei WARAGAI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PAPER FEEDING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160214809
- Publication date Jul 28, 2016
- RICOH COMPANY, LIMITED
- Ryuhei WARAGAI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140339761
- Publication date Nov 20, 2014
- RICOH COMPANY, LIMITED
- Naoki OIKAWA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL