Patents by Inventor Takaya Ochiai
Takaya Ochiai 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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Publication number: 20230408956Abstract: A thermal fixer includes a first thermal fixing roller and a second thermal fixing roller. The first thermal fixing roller includes a first heater. The second thermal fixing roller is pressed to the first thermal fixing roller. The second thermal fixing roller includes a second heater and has a diameter, a rigidity, and a surface releasability substantially identical to the first thermal fixing roller.Type: ApplicationFiled: June 20, 2023Publication date: December 21, 2023Inventors: Yuichiro KATO, Kazuki SHIMODATE, Shota YOSHIDA, Takaya OCHIAI, Naoki TAKAI, Yosuke SAITO, Keisuke SUGIYAMA
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Publication number: 20230408961Abstract: A sheet laminator includes a thermal fixing roller pair, a first heater, a second heater, multiple temperature detectors, and a driver. The thermal fixing roller pair includes a first thermal fixing roller and a second thermal fixing roller facing the first thermal fixing roller. The thermal fixing roller pair thermally fixes and conveys a two-ply sheet and a sheet medium nipped between two sheets of the two-ply sheet. The first heater heats the first thermal fixing roller. The second heater heats the second thermal fixing roller. The multiple temperature detectors are at different positions along an axial direction of the thermal fixing roller pair. The multiple temperature detectors detect a surface temperature of the thermal fixing roller pair. The driver drives the thermal fixing roller pair.Type: ApplicationFiled: June 15, 2023Publication date: December 21, 2023Inventors: Shota YOSHIDA, Keisuke SUGIYAMA, Yuichiro KATO, Kazuki SHIMODATE, Takaya OCHIAI, Naoki TAKAI, Yosuke SAITO
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Publication number: 20230400806Abstract: A sheet laminator includes a fuser pressure member, a conveyor, and a guide. The fuser pressure member thermally fixes a two-ply sheet and a sheet medium inserted between two sheets of the two-ply sheet. The conveyor conveys the two-ply sheet toward the fuser pressure member in a sheet conveyance direction. The guide guides the two-ply sheet in a sheet conveyance passage between the conveyor and the fuser pressure member. At least one of the fuser pressure member or the conveyor is operable to guide the two-ply sheet outside the sheet conveyance passage in response to an occurrence of an abnormal stop of the sheet laminator.Type: ApplicationFiled: June 7, 2023Publication date: December 14, 2023Inventors: Naoki TAKAI, Keisuke SUGIYAMA, Yuichiro KATO, Kazuki SHIMODATE, Shota YOSHIDA, Takaya OCHIAI, Yosuke SAITO
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Publication number: 20230398775Abstract: A sheet laminator includes a fuser pressure member, a heater, a drive device, and circuitry. The fuser pressure member thermally fixes a two-ply sheet and a sheet medium inserted between two sheets of the two-ply sheet. The heater heats the fuser pressure member. The driver rotates the fuser pressure member. In response to a pause of a rotation of the fuser pressure member, the circuitry turns off a power supply to the heater, and perform one of immediately stopping the fuser pressure member or rotating the fuser pressure member and stopping the fuser pressure member after the rotation of the fuser pressure member, based on a state of the fuser pressure member.Type: ApplicationFiled: June 7, 2023Publication date: December 14, 2023Inventors: Kazuki SHIMODATE, Keisuke SUGIYAMA, Yuichiro KATO, Shota YOSHIDA, Takaya OCHIAI, Naoki TAKAI, Yosuke SAITO
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Publication number: 20180351655Abstract: An output apparatus outputs an acoustic wave set with a specific frequency indicating identification information to a terminal apparatus that is to acquire the identification information from the acoustic wave. The output apparatus includes circuitry. The circuitry adjusts the specific frequency of the acoustic wave to another frequency by applying a predetermined frequency to the specific frequency, depending on a moving direction of a terminal apparatus that is to be notified of the identification information. The circuitry generates the acoustic wave of the another frequency. The circuitry outputs the generated acoustic wave of the another frequency.Type: ApplicationFiled: May 25, 2018Publication date: December 6, 2018Inventors: Takaya Ochiai, Tsutomu Kawase, Takashi Saito, Shingo Matsushita, Akihiro Asai
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Patent number: 10097720Abstract: A sound absorber, which is included in a sheet feeder included in an image reading device, an image forming apparatus, and an electronic device, includes a cavity, a communication portion through which the cavity communicates with an outside of a sheet feeder, and a communication direction changing device configured to change a communication direction of the communicating portion.Type: GrantFiled: December 19, 2016Date of Patent: October 9, 2018Assignee: Ricoh Company, Ltd.Inventors: Takaya Ochiai, Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu, Youhei Niitsuma
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Patent number: 9955259Abstract: A transmitter is provided that is capable of communicating with a management apparatus via a network and is configured to output a plurality of sound waves in a plurality of different directions. The transmitter includes a memory storing a program, and a processor configured to execute the program to implement processes of outputting a first sound wave including first unique information in a first output direction of the plurality of different directions, outputting a second sound wave including second unique information that differs from the first unique information in a second output direction that differs from the first output direction, and individually controlling the first sound wave output by the first sound wave output unit and the second sound wave output by the second sound wave output unit based on a request from the management apparatus.Type: GrantFiled: August 4, 2016Date of Patent: April 24, 2018Assignee: Ricoh Company, Ltd.Inventors: Michiaki Shinotsuka, Tsutomu Kawase, Takaya Ochiai, Takashi Saito
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Patent number: 9950886Abstract: A sheet conveying device, which is included in an image reading device and an image forming apparatus, includes a passage forming body and a sound absorber. The passage forming body is configured to define a sheet conveying passage through which a sheet passes. The sound absorber includes a hollow portion and a communication portion configured to communication the hollow portion and the sheet conveying passage. A position of the communication portion of the sound absorber is changeable in the sheet conveying passage. The sheet conveying device included in the image reading device includes an original document conveying device configured to convey an original document having an image on a surface. The sheet conveying device included in the image forming apparatus includes a recording medium conveying device configured to convey the recording medium accommodated in a recording medium container to the image forming device.Type: GrantFiled: February 24, 2017Date of Patent: April 24, 2018Assignee: RICOH COMPANY, LTD.Inventors: Takehisa Shimazu, Takeshi Akai, Keisuke Sugiyama, Takaya Ochiai
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Patent number: 9938099Abstract: A sheet conveying device includes a conveyer to convey a sheet and a primary sheet guide, disposed downstream from the conveyer in a sheet conveyance direction, to guide the sheet conveyed by the conveyer in the sheet conveyance direction. A secondary sheet guide is disposed opposite the primary sheet guide and includes a bending portion to bend the sheet while the sheet slides over the bending portion to change the sheet conveyance direction. A sheet conveyance path is defined by the primary sheet guide and the secondary sheet guide. The primary sheet guide includes a cavity disposed opposite the sheet conveyance path and a communication through-hole communicating with the cavity and the sheet conveyance path. The communication through-hole is disposed opposite the bending portion in a direction perpendicular to the sheet conveyance direction.Type: GrantFiled: September 7, 2016Date of Patent: April 10, 2018Assignee: RICOH COMPANY, LTD.Inventors: Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu, Youhei Niitsuma, Takaya Ochiai
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Patent number: 9834398Abstract: A sheet conveying device includes a primary sheet guide including a bending portion to bend a sheet while the sheet slides over the bending portion to change a sheet conveyance direction and a secondary sheet guide disposed opposite the primary sheet guide with an interval between the primary sheet guide and the secondary sheet guide. A noise attenuator intakes and attenuates slide noise generated by the bending portion while the sheet slides over the bending portion. The noise attenuator includes a resonant cavity disposed opposite an outer face of one of the primary sheet guide and the secondary sheet guide. A sound inlet is disposed in proximity to the bending portion and intakes the slide noise generated by the bending portion. A sound guide communicates with the sound inlet and the resonant cavity to guide the slide noise from the sound inlet to the resonant cavity.Type: GrantFiled: September 27, 2016Date of Patent: December 5, 2017Assignee: Ricoh Company, Ltd.Inventors: Youhei Niitsuma, Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu, Takaya Ochiai
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Publication number: 20170260015Abstract: A sheet conveying device, which is included in an image reading device and an image forming apparatus, includes a passage forming body and a sound absorber. The passage forming body is configured to define a sheet conveying passage through which a sheet passes. The sound absorber includes a hollow portion and a communication portion configured to communication the hollow portion and the sheet conveying passage. A position of the communication portion of the sound absorber is changeable in the sheet conveying passage. The sheet conveying device included in the image reading device includes an original document conveying device configured to convey an original document having an image on a surface. The sheet conveying device included in the image forming apparatus includes a recording medium conveying device configured to convey the recording medium accommodated in a recording medium container to the image forming device.Type: ApplicationFiled: February 24, 2017Publication date: September 14, 2017Applicant: Ricoh Company, Ltd.Inventors: Takehisa SHIMAZU, Takeshi AKAI, Keisuke SUGIYAMA, Takaya OCHIAI
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Publication number: 20170180586Abstract: A sound absorber, which is included in a sheet feeder included in an image reading device, an image forming apparatus, and an electronic device, includes a cavity, a communication portion through which the cavity communicates with an outside of a sheet feeder, and a communication direction changing device configured to change a communication direction of the communicating portion.Type: ApplicationFiled: December 19, 2016Publication date: June 22, 2017Applicant: Ricoh Company, Ltd.Inventors: Takaya Ochiai, Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu, Youhei Niitsuma
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Publication number: 20170108812Abstract: A sheet conveying device includes a primary sheet guide including a bending portion to bend a sheet while the sheet slides over the bending portion to change a sheet conveyance direction and a secondary sheet guide disposed opposite the primary sheet guide with an interval between the primary sheet guide and the secondary sheet guide. A noise attenuator intakes and attenuates slide noise generated by the bending portion while the sheet slides over the bending portion. The noise attenuator includes a resonant cavity disposed opposite an outer face of one of the primary sheet guide and the secondary sheet guide. A sound inlet is disposed in proximity to the bending portion and intakes the slide noise generated by the bending portion. A sound guide communicates with the sound inlet and the resonant cavity to guide the slide noise from the sound inlet to the resonant cavity.Type: ApplicationFiled: September 27, 2016Publication date: April 20, 2017Applicant: Ricoh Company, Ltd.Inventors: Youhei NIITSUMA, Takeshi Akai, Ikuhisa Okamoto, Takehisa Shimazu, Takaya Ochiai
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Patent number: 9624061Abstract: A sheet processing device includes a sheet processing unit that is moved to perform sheet processing on a sheet; a sheet-processing moving unit that moves the sheet processing unit; a drive-mode determining unit that determines a drive mode of the sheet-processing moving unit; and a drive control unit that drives the sheet-processing moving unit in accordance with the drive mode. The drive-mode determining unit determines the drive mode such that the sheet processing unit is moved at combination acceleration that is a combination of first acceleration and second acceleration with a shift of time that is determined based on the cycle of the natural vibration that occurs during acceleration of the sheet processing unit.Type: GrantFiled: February 1, 2016Date of Patent: April 18, 2017Assignee: Ricoh Company, LimitedInventors: Shingo Matsushita, Keisuke Sugiyama, Kiyoshi Hata, Takashi Saito, Akihiro Musha, Ikuhisa Okamoto, Takehisa Shimazu, Takeshi Akai, Kyosuke Nakada, Jun Yamada, Joh Ebara, Takaya Ochiai, Takuya Sano, Masatada Satoh
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Publication number: 20170101280Abstract: A sheet conveying device includes a conveyer to convey a sheet and a primary sheet guide, disposed downstream from the conveyer in a sheet conveyance direction, to guide the sheet conveyed by the conveyer in the sheet conveyance direction. A secondary sheet guide is disposed opposite the primary sheet guide and includes a bending portion to bend the sheet while the sheet slides over the bending portion to change the sheet conveyance direction. A sheet conveyance path is defined by the primary sheet guide and the secondary sheet guide. The primary sheet guide includes a cavity disposed opposite the sheet conveyance path and a communication through-hole communicating with the cavity and the sheet conveyance path. The communication through-hole is disposed opposite the bending portion in a direction perpendicular to the sheet conveyance direction.Type: ApplicationFiled: September 7, 2016Publication date: April 13, 2017Applicant: Ricoh Company, Ltd.Inventors: Takeshi AKAI, Ikuhisa OKAMOTO, Takehisa SHIMAZU, Youhei NIITSUMA, Takaya OCHIAI
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Publication number: 20170048618Abstract: A transmitter is provided that is capable of communicating with a management apparatus via a network and is configured to output a plurality of sound waves in a plurality of different directions. The transmitter includes a memory storing a program, and a processor configured to execute the program to implement processes of outputting a first sound wave including first unique information in a first output direction of the plurality of different directions, outputting a second sound wave including second unique information that differs from the first unique information in a second output direction that differs from the first output direction, and individually controlling the first sound wave output by the first sound wave output unit and the second sound wave output by the second sound wave output unit based on a request from the management apparatus.Type: ApplicationFiled: August 4, 2016Publication date: February 16, 2017Applicant: Ricoh Company, Ltd.Inventors: Michiaki SHINOTSUKA, Tsutomu KAWASE, Takaya OCHIAI, Takashi SAITO
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Patent number: 9415957Abstract: A sheet feed device that includes a sheet feed tray configured to be enabled to be drawn from a main body of an image forming apparatus; a bottom plate arranged in the sheet feed tray and configured to stack thereon a plurality of sheets; a driving unit configured to move the bottom plate upward; a drive transmitting unit configured to transmit a driving force from a drive source arranged on the main body to the driving unit; and a one-way rotation transmitting unit configured to unidirectionally transmit input from the drive transmitting unit to the driving unit and configured to be arranged on one side of the drive transmitting unit opposite to a side connected to the driving unit.Type: GrantFiled: May 15, 2014Date of Patent: August 16, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Munehisa Fuda, Takaya Ochiai, Kazuki Seto, Shinji Katsumata, Tatsuya Sugawara, Taewon Kim
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Publication number: 20160221787Abstract: A sheet processing device includes a sheet processing unit that is moved to perform sheet processing on a sheet; a sheet-processing moving unit that moves the sheet processing unit; a drive-mode determining unit that determines a drive mode of the sheet-processing moving unit; and a drive control unit that drives the sheet-processing moving unit in accordance with the drive mode. The drive-mode determining unit determines the drive mode such that the sheet processing unit is moved at combination acceleration that is a combination of first acceleration and second acceleration with a shift of time that is determined based on the cycle of the natural vibration that occurs during acceleration of the sheet processing unit.Type: ApplicationFiled: February 1, 2016Publication date: August 4, 2016Applicant: Ricoh Company, LimitedInventors: Shingo MATSUSHITA, Keisuke SUGIYAMA, Kiyoshi HATA, Takashi SAITO, Akihiro MUSHA, Ikuhisa OKAMOTO, Takehisa SHIMAZU, Takeshi AKAI, Kyosuke NAKADA, Jun YAMADA, Joh EBARA, Takaya OCHIAI, Takuya SANO, Masatada SATOH
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Patent number: 8955835Abstract: In the invention, after the last sheet is conveyed from a paper feed tray, the paper feed tray is lifted up so that the paper feed tray is brought into contact with a suction belt. An elastic cleaning member that removes paper particles, or the like, is installed at an area of the paper feed tray where the paper feed tray is in contact with the suction belt. The suction belt is driven while the cleaning member is in contact with the suction belt. The paper particles, or the like, removed from the suction belt by the cleaning member are collected in a paper-particle collecting device from a vacuum chamber via a vacuum duct.Type: GrantFiled: November 13, 2013Date of Patent: February 17, 2015Assignee: Ricoh Company, LimitedInventors: Hideyuki Satoh, Masaki Ishizaki, Yousuke Edo, Takaya Ochiai
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Patent number: D819606Type: GrantFiled: February 29, 2016Date of Patent: June 5, 2018Assignee: RICOH COMPANY, LTD.Inventors: Masaaki Kabumoto, Michiaki Shinotsuka, Tsutomu Kawase, Takaya Ochiai, Takashi Saitoh, Bob Spikman