Patents by Inventor Tomohiro Furuhashi
Tomohiro Furuhashi 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: 11292240Abstract: A sheet processing device is configured to separate a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at one end as a bonding portion of the two-ply sheet. The sheet processing device includes a first sheet feeder configured to feed the two-ply sheet, a second sheet feeder configured to feed an inner sheet to be inserted between the two sheets of the two-ply sheet in a state in which the non-bonding portion of the two-ply sheet is separated, and circuitry configured to cause the first sheet feeder to feed the two-ply sheet, perform a sheet separating operation on the two-ply sheet to separate the non-bonding portion of the two-ply sheet, and cause the second sheet feeder to start feeding the inner sheet before completion of the sheet separating operation on the two-ply sheet.Type: GrantFiled: May 4, 2021Date of Patent: April 5, 2022Assignee: RICOH COMPANY, LTD.Inventors: Joji Akiyama, Tomohiro Furuhashi, Wataru Takahashi, Sho Asano, Yoshito Suzuki, Shinya Monma, Yohsuke Haraguchi, Wataru Nozaki
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Publication number: 20220088280Abstract: A blood purification device includes a blood circuit for extracorporeally circulating blood of a patient; a liquid supply circuit for supplying a supply liquid to the blood circuit or to a blood purifier provided on the blood circuit and a warmer provided on the liquid supply circuit to warm the supply liquid. The warmer is configured to sandwich and hold a warming circuit constituting a part of the liquid supply circuit. The warmer includes a heater provided on a sandwiching-and-holding surface sandwiching and holding the warming circuit. The warmer includes a heater temperature detection unit capable of detecting temperature of the heater.Type: ApplicationFiled: August 29, 2019Publication date: March 24, 2022Inventors: Tomohiro Furuhashi, Hideto Maki, Ferenc Kazinczi, Yuki Eda
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Publication number: 20220088281Abstract: A blood purification device 1 is provided with: a blood circuit 2 for extracorporeally circulating blood of a patient; a blood purifier 3 provided in the blood circuit 2; a gas-liquid separator 24 which is provided in the blood circuit 2 and located on the downward side of the blood purifier 3 in the direction of blood flow, and separates air bubbles contained in blood flowing thereinto; and a liquid surface adjustment unit 6 capable of adjusting the liquid level in the gas-liquid separator 24. The liquid surface adjustment unit 6 performs control such that the liquid level during priming is higher than the liquid level during treatment.Type: ApplicationFiled: August 29, 2019Publication date: March 24, 2022Inventors: Tomohiro Furuhashi, Hideto Maki, Ferenc Kazinczi, Yuki Eda, Kenji Furuhashi
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Patent number: 11273629Abstract: A sheet separation device includes a rotator, a nipping member to nip the two-ply sheet with the rotator, a first conveyor to convey the two-ply sheet in a first direction toward the rotator and a second direction reverse thereto, a winding member to wind the two-ply sheet around the rotator, a second conveyor to convey a sheet medium in the second direction, a separation claw to move in a width direction; a sheet guide to guide the separated two sheets to different passages; and control circuitry. The first conveyor conveys the two-ply sheet to the rotator with a bonded portion at an upstream end. The control circuitry inserts the separation claw into a space between the two sheets, adjusts a projection amount of the two-ply sheet from a nip of the first conveyor in the second direction, and inserts the sheet medium in two-ply sheet adjusted in the projection amount.Type: GrantFiled: April 8, 2020Date of Patent: March 15, 2022Assignee: Ricoh Company, Ltd.Inventors: Wataru Takahashi, Tomohiro Furuhashi, Michitaka Suzuki, Tomomichi Hoshino, Fumiharu Yoneyama, Kazuyoshi Matsuo, Makoto Hidaka, Koki Sakano, Akira Kunieda, Takahiro Watanabe, Takuya Morinaga, Yohsuke Haraguchi
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Patent number: 11269280Abstract: A sheet processing device inserts a sheet-shaped medium into a two-ply sheet in which two sheets are overlaid and partially bonded. The sheet processing device includes control circuitry to execute a single insertion mode in which one sheet-shaped medium is inserted into the two-ply sheet and a multiple insertion mode in which a plurality of sheet-shaped media are inserted into the two-ply sheet along a conveyance direction. The control circuitry inserts the one sheet-shaped medium into the two-ply sheet in the single insertion mode and the plurality of sheet-shaped media into the two-ply sheet in the multiple insertion mode, with the two-ply sheet being stopped.Type: GrantFiled: May 11, 2021Date of Patent: March 8, 2022Assignee: RICOH COMPANY, LTD.Inventors: Wataru Takahashi, Tomohiro Furuhashi, Sho Asano, Yoshito Suzuki, Shinya Monma, Joji Akiyama, Yohsuke Haraguchi, Wataru Nozaki
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Patent number: 11267671Abstract: A sheet processing apparatus includes a roller pair configured to convey a sheet, a sheet bundle conveyer configured to convey a sheet bundle to the roller pair, and circuitry configured to cause the sheet bundle conveyer to contact leading edges of sheets of the sheet bundle to the roller pair and cause the roller pair to rotate in reverse to align the leading edges of the sheets of the sheet bundle.Type: GrantFiled: February 15, 2019Date of Patent: March 8, 2022Assignee: Ricoh Company, Ltd.Inventors: Yohsuke Haraguchi, Shinji Asami, Tomohiro Furuhashi, Michitaka Suzuki, Tomomichi Hoshino, Fumiharu Yoneyama, Akira Kunieda, Takuya Morinaga, Makoto Hidaka, Koki Sakano
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Patent number: 11269273Abstract: An image forming apparatus includes a sheet separation device, a first sheet feeder, a second sheet feeder, an image forming device, a heat source, and a circuitry. The sheet separation device is configured to separate a two-ply sheet in which two sheets are overlapped and bonded together at one end as a bonding portion of the two-ply sheet. The first sheet feeder is configured to feed the two-ply sheet. The second sheet feeder is configured to feed an inner sheet to be inserted between the two sheets. The image forming device is configured to form an image on the inner sheet fed from the second sheet feeder. The heat source is disposed upstream from the sheet separation device in the sheet conveyance direction. The circuitry is configured to cause the two-ply sheet fed from the first sheet feeder, to detour the heat source to the sheet separation device.Type: GrantFiled: April 23, 2021Date of Patent: March 8, 2022Assignee: RICOH COMPANY, LTD.Inventors: Sho Asano, Tomohiro Furuhashi, Wataru Takahashi, Yoshito Suzuki, Shinya Monma, Johji Akiyama, Yohsuke Haraguchi, Wataru Nozaki
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Patent number: 11261043Abstract: A sheet processing device sandwiches a sheet-shaped medium in a two-ply sheet in which two sheets are overlaid and partially bonded. The sheet processing device includes a separator, a conveyor, and a switching member. The separator separates the two sheets of the two-ply sheet. The conveyor is disposed downstream from the separator in a sheet conveyance direction and conveys the two-ply sheet. The switching member is disposed downstream from the conveyor in the sheet conveyance direction. The switching member switches a conveyance path of the two-ply sheet to convey the two-ply sheet to a fixing path on which fixing processing is performed on the two-ply sheet or a non-fixing path on which no fixing processing is performed on the two-ply sheet.Type: GrantFiled: May 4, 2021Date of Patent: March 1, 2022Assignee: RICOH COMPANY, LTD.Inventors: Yoshito Suzuki, Tomohiro Furuhashi, Wataru Takahashi, Sho Asano, Shinya Monma, Joji Akiyama, Wataru Nozaki, Yohsuke Haraguchi, Yuji Suzuki, Yuusuke Shibasaki, Takuya Morinaga
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Publication number: 20220011712Abstract: An image forming apparatus includes a sheet separation device, a first sheet feeder, a second sheet feeder, an image forming device, and circuitry. The sheet separation device is configured to separate a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at a bonding portion of the two-ply sheet. The first sheet feeder is configured to feed the two-ply sheet. The second sheet feeder is configured to feed an inner sheet to be inserted between the two sheets. The image forming device is configured to form an image on a surface of the inner sheet. The circuitry is configured to cause the first sheet feeder to feed the two-ply sheet, perform a sheet separating operation on the two-ply sheet and cause the second sheet feeder to start feeding the inner sheet before completion of the sheet separating operation on the two-ply sheet.Type: ApplicationFiled: June 30, 2021Publication date: January 13, 2022Applicant: Ricoh Company, Ltd.Inventors: Sho ASANO, Wataru TAKAHASHI, Yoshito SUZUKI, Shinya MONMA, Joji AKIYAMA, Yohsuke HARAGUCHI, Wataru NOZAKI, Tomohiro FURUHASHI
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Publication number: 20210403273Abstract: A sheet processing device separates a two-ply sheet in which two sheets are overlapped and partially bonded and sandwich a sheet medium between the two sheets. The sheet processing device includes a relay conveyance path, a sheet loader, and control circuitry. The sheet medium is fed from an image forming apparatus connected upstream of the sheet processing device through the relay conveyance path. The sheet loader loads at least one of the two-ply sheet and the sheet medium. The control circuitry performs a mixing mode to feed the two-ply sheet or the sheet medium from the sheet loader.Type: ApplicationFiled: June 24, 2021Publication date: December 30, 2021Applicant: Ricoh Company, Ltd.Inventors: Yohsuke HARAGUCHI, Tomohiro FURUHASHI, Yoshito SUZUKI, Shinya MONMA, Wataru TAKAHASHI, Joji AKIYAMA, Sho ASANO, Wataru NOZAKI
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Publication number: 20210405571Abstract: A sheet laminator includes a sheet separation device, a sheet insertion device, and circuitry. The sheet separation device is configured to perform a sheet separating operation to separate a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at a bonding portion of the two-ply sheet, and a sheet inserting operation to insert an inner sheet between the two sheets. The sheet lamination device is configured to perform a sheet laminating operation on the two-ply sheet after the sheet separating operation and the sheet inserting operation. The circuitry is configured to cause the sheet lamination device to perform the sheet laminating operation on the two-ply sheet while causing the sheet separation device to perform the sheet separating operation on another two-ply sheet subsequent to the two-ply sheet or the sheet separating operation and the sheet inserting operation on said another two-ply sheet.Type: ApplicationFiled: June 24, 2021Publication date: December 30, 2021Applicant: Ricoh Company, Ltd.Inventors: Wataru NOZAKI, Tomohiro FURUHASHI, Wataru TAKAHASHI, Sho ASANO, Yoshito SUZUKI, Shinya MONMA, Joji AKIYAMA, Yohsuke HARAGUCHI
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Publication number: 20210387467Abstract: An image forming system includes an image forming apparatus, a sheet processing device, and control circuitry. The image forming apparatus forms an image on a sheet. The sheet processing device performs post-processing on the sheet. The sheet processing device includes a first conveyance path through which the sheet is conveyed and subjected to the post-processing and a second conveyance path through which the sheet is conveyed without the post-processing. In response to an instruction of print jobs including both a print job of one or N copies subjected to the post-processing and a print job not subjected to the post-processing, the circuitry executes the job not subjected to the post-processing during execution of an M-th copy of the job subjected to the post-processing and causes the sheet to be conveyed through the second conveyance path, where N is two or greater and M satisfies 1?M<N.Type: ApplicationFiled: June 10, 2021Publication date: December 16, 2021Applicant: Ricoh Company, Ltd.Inventors: Sho ASANO, Wataru TAKAHASHI, Yoshito SUZUKI, Shinya MONMA, Joji AKIYAMA, Yohsuke HARAGUCHI, Wataru NOZAKI, Tomohiro FURUHASHI
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Publication number: 20210356899Abstract: A sheet processing device inserts a sheet-shaped medium into a two-ply sheet in which two sheets are overlaid and partially bonded. The sheet processing device includes control circuitry to execute a single insertion mode in which one sheet-shaped medium is inserted into the two-ply sheet and a multiple insertion mode in which a plurality of sheet-shaped media are inserted into the two-ply sheet along a conveyance direction. The control circuitry inserts the one sheet-shaped medium into the two-ply sheet in the single insertion mode and the plurality of sheet-shaped media into the two-ply sheet in the multiple insertion mode, with the two-ply sheet being stopped.Type: ApplicationFiled: May 11, 2021Publication date: November 18, 2021Applicant: Ricoh Company, Ltd.Inventors: Wataru TAKAHASHI, Tomohiro FURUHASHI, Sho ASANO, Yoshito SUZUKI, Shinya MONMA, Joji AKIYAMA, Yohsuke HARAGUCHI, Wataru NOZAKI
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Publication number: 20210354948Abstract: A sheet processing apparatus is configured to sandwich one or more sheet media in a two-ply sheet in which two sheets are overlaid and bonded together at a portion of the two-ply sheet. The sheet processing apparatus includes circuitry configured to control insertion processing to insert the one or more sheet media into the two-ply sheet based on a length of the two-ply sheet in a conveyance direction, a length of one of the one or more sheet media in the conveyance direction, and a number of the one or more sheet media.Type: ApplicationFiled: May 6, 2021Publication date: November 18, 2021Applicant: Ricoh Company, Ltd.Inventors: Wataru TAKAHASHI, Tomohiro FURUHASHI, Sho ASANO, Yoshito SUZUKI, Shinya MONMA, Johji AKIYAMA, Yohsuke HARAGUCHI, Wataru NOZAKI
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Publication number: 20210347589Abstract: A sheet processing device sandwiches a sheet-shaped medium in a two-ply sheet in which two sheets are overlaid and partially bonded. The sheet processing device includes a separator, a conveyor, and a switching member. The separator separates the two sheets of the two-ply sheet. The conveyor is disposed downstream from the separator in a sheet conveyance direction and conveys the two-ply sheet. The switching member is disposed downstream from the conveyor in the sheet conveyance direction. The switching member switches a conveyance path of the two-ply sheet to convey the two-ply sheet to a fixing path on which fixing processing is performed on the two-ply sheet or a non-fixing path on which no fixing processing is performed on the two-ply sheet.Type: ApplicationFiled: May 4, 2021Publication date: November 11, 2021Applicant: Ricoh Company, Ltd.Inventors: Yoshito SUZUKI, Tomohiro FURUHASHI, Wataru TAKAHASHI, Sho ASANO, Shinya MONMA, Joji AKIYAMA, Wataru NOZAKI, Yohsuke HARAGUCHI, Yuji SUZUKI, Yuusuke SHIBASAKI, Takuya MORINAGA
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Publication number: 20210347160Abstract: A sheet processing device is configured to separate a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at one end as a bonding portion of the two-ply sheet. The sheet processing device includes a first sheet feeder configured to feed the two-ply sheet, a second sheet feeder configured to feed an inner sheet to be inserted between the two sheets of the two-ply sheet in a state in which the non-bonding portion of the two-ply sheet is separated, and circuitry configured to cause the first sheet feeder to feed the two-ply sheet, perform a sheet separating operation on the two-ply sheet to separate the non-bonding portion of the two-ply sheet, and cause the second sheet feeder to start feeding the inner sheet before completion of the sheet separating operation on the two-ply sheet.Type: ApplicationFiled: May 4, 2021Publication date: November 11, 2021Applicant: Ricoh Company, Ltd.Inventors: Joji AKIYAMA, Tomohiro FURUHASHI, Wataru TAKAHASHI, Sho ASANO, Yoshito SUZUKI, Shinya MONMA, Yohsuke HARAGUCHI, Wataru NOZAKI
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Patent number: 11161710Abstract: A sheet separation device to open a two-ply sheet includes a rotator; a nipping member disposed opposite the rotator and configured to nip the two-ply sheet with the rotator; a conveyor configured to convey the two-ply sheet between the rotator and the nipping member, and a winding member disposed adjacent to the rotator. The conveyor conveys the two-ply sheet with a bonded portion of the two-ply sheet being an upstream end or a downstream end of the two-ply sheet in a conveyance direction of the two-ply sheet. The winding member winds the two-ply sheet around the rotator, to create a difference in winding circumferential length between the two sheets and separate the two sheets.Type: GrantFiled: January 20, 2020Date of Patent: November 2, 2021Assignee: RICOH COMPANY, LTD.Inventors: Tomohiro Furuhashi, Akihiro Iwasaki, Michitaka Suzuki, Fumiharu Yoneyama, Tomomichi Hoshino, Wataru Takahashi, Takuya Morinaga, Koki Sakano, Akira Kunieda, Yohsuke Haraguchi, Makoto Hidaka
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Publication number: 20210333730Abstract: An image forming apparatus includes a sheet separation device, a first sheet feeder, a second sheet feeder, an image forming device, a heat source, and a circuitry. The sheet separation device is configured to separate a two-ply sheet in which two sheets are overlapped and bonded together at one end as a bonding portion of the two-ply sheet. The first sheet feeder is configured to feed the two-ply sheet. The second sheet feeder is configured to feed an inner sheet to be inserted between the two sheets. The image forming device is configured to form an image on the inner sheet fed from the second sheet feeder. The heat source is disposed upstream from the sheet separation device in the sheet conveyance direction. The circuitry is configured to cause the two-ply sheet fed from the first sheet feeder, to detour the heat source to the sheet separation device.Type: ApplicationFiled: April 23, 2021Publication date: October 28, 2021Applicant: Ricoh Company, Ltd.Inventors: Sho ASANO, Tomohiro FURUHASHI, Wataru TAKAHASHI, Yoshito SUZUKI, Shinya MONMA, Johji AKIYAMA, Yohsuke HARAGUCHI, Wataru NOZAKI
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Publication number: 20210325804Abstract: A sheet separation device is configured to separate a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at one end as a bonding portion of the two-ply sheet. The sheet separation device includes a conveyance roller pair and circuitry. The conveyance roller pair is configured to convey the two-ply sheet while nipping the two-ply sheet, when separating the non-bonding portion of the two-ply sheet. The circuitry is configured to control sheet conveyance. The circuitry is configured to stop the conveyance roller pair, cause a leading end of the two-ply sheet conveyed toward the conveyance roller pair to contact a nip region of the conveyance roller pair while the conveyance roller pair is stopped, and start the conveyance roller pair to rotate to nip the two-ply sheet.Type: ApplicationFiled: April 13, 2021Publication date: October 21, 2021Applicant: Ricoh Company, Ltd.Inventors: Tomohiro FURUHASHI, Wataru TAKAHASHI, Sho ASANO, Yoshito SUZUKI, Shinya MONMA, Joji AKIYAMA, Yohsuke HARAGUCHI, Wataru NOZAKI
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Publication number: 20210294249Abstract: A sheet separation device separates a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at one end of the two-ply sheet. The sheet separation device includes a separator that includes a first separator and a second separator. The first separator is inserted into a gap between the two sheets of the two-ply sheet. The second separator is inserted between the two sheets at said another end of the two-ply sheet that is opposite to the one end of the two-ply sheet and moves in a width direction of the two-ply sheet after the first separator is inserted into the gap and relatively moves from the one end to said another end.Type: ApplicationFiled: March 18, 2021Publication date: September 23, 2021Applicant: Ricoh Company, Ltd.Inventors: Wataru TAKAHASHI, Tomohiro FURUHASHI, Shinya MONMA, Yoshito SUZUKI, Joji AKIYAMA, Yohsuke HARAGUCHI, Sho ASANO, Wataru NOZAKI