Takafumi SEKI

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Patents Grantslast 30 patents

Information Patent Grant
Rotating member control device, conveying device, and image forming...
- Patent number 10,564,582
- Issue date Feb 18, 2020
- Ricoh Company, Ltd.
- Takafumi Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotator control device, conveyance device, image forming apparatus,...
- Patent number 10,394,168
- Issue date Aug 27, 2019
- Ricoh Company, Ltd.
- Takafumi Seki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Transfer device and image forming apparatus
- Patent number 9,658,578
- Issue date May 23, 2017
- Ricoh Company, Ltd.
- Hiromichi Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ROTATOR CONTROL DEVICE, CONVEYANCE DEVICE, IMAGE FORMING APPARATUS,...
- Publication number 20180265314
- Publication date Sep 20, 2018
- Takafumi SEKI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
ROTATING MEMBER CONTROL DEVICE, CONVEYING DEVICE, AND IMAGE FORMING...
- Publication number 20170364011
- Publication date Dec 21, 2017
- RICOH COMPANY, LTD.
- Takafumi SEKI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160216649
- Publication date Jul 28, 2016
- RICOH COMPANY, LTD.
- Hiromichi MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY