Patents by Inventor Kentaro UJI
Kentaro UJI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11650539Abstract: An image forming apparatus includes an image forming device configured to form an image on a sheet, and a cabinet configured to house the image forming device. The image forming device includes a side plate in which an exhaust port is formed, and the cabinet includes an outer side plate facing the side plate of the image forming device, and a positioning part configured to position the image forming device in the cabinet, the positioning part configured to form a space between the side plate of the image forming device and the outer side plate of the cabinet.Type: GrantFiled: November 14, 2019Date of Patent: May 16, 2023Assignee: Ricoh Company, Ltd.Inventors: Masahiro Ishida, Ryuta Kaneda, Kentaro Uji
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Patent number: 11412098Abstract: A cabinet includes a first area and a second area arranged in a horizontal direction, an image forming apparatus, and a reading device. The image forming apparatus is accommodated in the first area and forms an image on a sheet and ejects the sheet with the image. The reading device is accommodated in the second area of the cabinet and reads an image of a document. At least a part of the reading device is pulled out from an internal space of the cabinet in a direction orthogonal to the horizontal direction in which the first area and the second area are arranged in a horizontal plane.Type: GrantFiled: December 10, 2020Date of Patent: August 9, 2022Assignee: RICOH COMPANY, LTD.Inventors: Kentaro Uji, Ryuta Kaneda, Masahiro Ishida
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Publication number: 20210203799Abstract: A cabinet includes a first area and a second area arranged in a horizontal direction, an image forming apparatus, and a reading device. The image forming apparatus is accommodated in the first area and forms an image on a sheet and ejects the sheet with the image. The reading device is accommodated in the second area of the cabinet and reads an image of a document. At least a part of the reading device is pulled out from an internal space of the cabinet in a direction orthogonal to the horizontal direction in which the first area and the second area are arranged in a horizontal plane.Type: ApplicationFiled: December 10, 2020Publication date: July 1, 2021Applicant: Ricoh Company, Ltd.Inventors: Kentaro UJI, Ryuta KANEDA, Masahiro ISHIDA
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Patent number: 10712705Abstract: An image forming apparatus includes an exterior housing, an image forming unit in the exterior housing, the image forming unit, to form an image on a sheet, a scanner to read the image on a document, a first region in the exterior housing, the image forming unit being disposed in the first region in view from a front side of the exterior housing, a second region arranged side by side with the first region in a lateral direction in the exterior housing in view from the front side of the exterior housing, the scanner being disposed in the second region, and an opening defining a space in a front face of the exterior housing. The opening extends across the first region and the second region in a lower part of the exterior housing below the image forming unit and the scanner.Type: GrantFiled: May 15, 2019Date of Patent: July 14, 2020Assignee: RICOH COMPANY, LTD.Inventors: Masahiro Ishida, Yuki Sato, Ryuta Kaneda, Kentaro Uji
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Publication number: 20200171866Abstract: An image forming apparatus includes an image forming device configured to form an image on a sheet, and a cabinet configured to house the image forming device. The image forming device includes a side plate in which an exhaust port is formed, and the cabinet includes an outer side plate facing the side plate of the image forming device, and a positioning part configured to position the image forming device in the cabinet, the positioning part configured to form a space between the side plate of the image forming device and the outer side plate of the cabinet.Type: ApplicationFiled: November 14, 2019Publication date: June 4, 2020Applicant: Ricoh Company, Ltd.Inventors: Masahiro ISHIDA, Ryuta Kaneda, Kentaro Uji
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Publication number: 20190361385Abstract: An image forming apparatus includes an exterior housing, an image forming unit in the exterior housing, the image forming unit, to form an image on a sheet, a scanner to read the image on a document, a first region in the exterior housing, the image forming unit being disposed in the first region in view from a front side of the exterior housing, a second region arranged side by side with the first region in a lateral direction in the exterior housing in view from the front side of the exterior housing, the scanner being disposed in the second region, and an opening defining a space in a front face of the exterior housing. The opening extends across the first region and the second region in a lower part of the exterior housing below the image forming unit and the scanner.Type: ApplicationFiled: May 15, 2019Publication date: November 28, 2019Applicant: Ricoh Company, Ltd.Inventors: Masahiro ISHIDA, Yuki SATO, Ryuta KANEDA, Kentaro UJI
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Patent number: 10268143Abstract: A drive device, which is included in an image forming apparatus, includes a drive source, a drive switching device configured to switch between a transmission state and a halting state, a first rotary body having a rotary shaft, a first drive transmission passage through which a driving force is transmitted to the first rotary body, a second rotary body, a second drive transmission passage through which the driving force is transmitted to the second rotary body, a drive transmission body rotatably mounted on the rotary shaft of the first rotary body, and an input drive transmission body mounted on the rotary shaft of the first rotary body and configured to input the driving force to the rotary shaft of the first rotary body, the input drive transmission body configured to rotate together with the drive transmission body as a single unit.Type: GrantFiled: December 20, 2017Date of Patent: April 23, 2019Assignee: RICOH COMPANY, LTD.Inventors: Kimihiro Tanaka, Kenji Tomita, Yohei Miura, Kentaro Uji
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Publication number: 20180181030Abstract: A drive device, which is included in an image forming apparatus, includes a drive source, a drive switching device configured to switch between a transmission state and a halting state, a first rotary body having a rotary shaft, a first drive transmission passage through which a driving force is transmitted to the first rotary body, a second rotary body, a second drive transmission passage through which the driving force is transmitted to the second rotary body, a drive transmission body rotatably mounted on the rotary shaft of the first rotary body, and an input drive transmission body mounted on the rotary shaft of the first rotary body and configured to input the driving force to the rotary shaft of the first rotary body, the input drive transmission body configured to rotate together with the drive transmission body as a single unit.Type: ApplicationFiled: December 20, 2017Publication date: June 28, 2018Applicant: Ricoh Company, Ltd.Inventors: Kimihiro TANAKA, Kenji TOMITA, Yohei MIURA, Kentaro UJI
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Patent number: 9977393Abstract: A drive transmission device includes a first rotary body coupled to a drive source, a second rotary body that receives a drive force transmitted from the drive source, a coupling that couples the first rotary body and the second rotary body, and a spring that presses the coupling toward the second rotary body. Each of the first rotary body and the second rotary body includes a plurality of grooves. The coupling has axially opposed first end and second end coupled to the first rotary body and the second rotary body, respectively. The coupling includes a plurality of couplers on a circumferential surface of each of the first end and the second end. The plurality of couplers are axially movable into and out of the plurality of grooves of each of the first rotary body and the second rotary body. The coupling has a spherical end face at the second end.Type: GrantFiled: September 12, 2017Date of Patent: May 22, 2018Assignee: RICOH COMPANY, LTD.Inventors: Kenji Tomita, Kentaro Uji
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Patent number: 9880508Abstract: A drive transmission device includes a first rotary body coupled to a drive source, a second rotary body that receives a drive force transmitted from the drive source, a coupling that couples the first rotary body and the second rotary body, and a spring that presses the coupling toward the second rotary body. Each of the first rotary body and the second rotary body includes a plurality of grooves. The coupling has axially opposed first end and second end coupled to the first rotary body and the second rotary body, respectively. The coupling includes a plurality of couplers on a circumferential surface of each of the first end and the second end. The plurality of couplers are axially movable into and out of the plurality of grooves of each of the first rotary body and the second rotary body. The coupling has a spherical end face at the second end.Type: GrantFiled: June 13, 2016Date of Patent: January 30, 2018Assignee: RICOH COMPANY, LTD.Inventors: Kenji Tomita, Kentaro Uji
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Publication number: 20170371291Abstract: A drive transmission device includes a first rotary body coupled to a drive source, a second rotary body that receives a drive force transmitted from the drive source, a coupling that couples the first rotary body and the second rotary body, and a spring that presses the coupling toward the second rotary body. Each of the first rotary body and the second rotary body includes a plurality of grooves. The coupling has axially opposed first end and second end coupled to the first rotary body and the second rotary body, respectively. The coupling includes a plurality of couplers on a circumferential surface of each of the first end and the second end. The plurality of couplers are axially movable into and out of the plurality of grooves of each of the first rotary body and the second rotary body. The coupling has a spherical end face at the second end.Type: ApplicationFiled: September 12, 2017Publication date: December 28, 2017Applicant: Ricoh Company, Ltd.Inventors: Kenji TOMITA, Kentaro UJI
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Publication number: 20160378049Abstract: A drive transmission device includes a first rotary body coupled to a drive source, a second rotary body that receives a drive force transmitted from the drive source, a coupling that couples the first rotary body and the second rotary body, and a spring that presses the coupling toward the second rotary body. Each of the first rotary body and the second rotary body includes a plurality of grooves. The coupling has axially opposed first end and second end coupled to the first rotary body and the second rotary body, respectively. The coupling includes a plurality of couplers on a circumferential surface of each of the first end and the second end. The plurality of couplers are axially movable into and out of the plurality of grooves of each of the first rotary body and the second rotary body. The coupling has a spherical end face at the second end.Type: ApplicationFiled: June 13, 2016Publication date: December 29, 2016Applicant: Ricoh Company, Ltd.Inventors: Kenji TOMITA, Kentaro UJI
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Patent number: D927588Type: GrantFiled: May 28, 2019Date of Patent: August 10, 2021Assignee: Ricoh Company, Ltd.Inventors: Masahiro Ishida, Yuki Sato, Ryuuta Kaneda, Kentaro Uji
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Patent number: D968507Type: GrantFiled: May 28, 2019Date of Patent: November 1, 2022Assignee: RICOH COMPANY, LTD.Inventors: Masahiro Ishida, Yuki Sato, Ryuuta Kaneda, Kentaro Uji