Patents by Inventor Yoshihiro Yoshikawa
Yoshihiro Yoshikawa 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: 20240142898Abstract: An image forming device includes one or more image carriers on which a toner image is formed; a transfer belt that transfers a toner image formed on the image carrier; a presser that presses the transfer belt against the image carrier to transfer the toner image onto the transfer belt; and a switching mechanism that switches a position of the presser according to a rotation angle of a cam. The switching mechanism switches a position of the presser to one of a first position that presses the transfer belt against the image carrier, a second position that is separated from the image carrier, and a third position that is a position separated from the image carrier and having a smaller separation distance from the image carrier than the second position.Type: ApplicationFiled: October 19, 2023Publication date: May 2, 2024Applicant: SHARP KABUSHIKI KAISHAInventors: YOSHIHIRO YOSHIKAWA, Hideshi IZUMI
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Publication number: 20230381769Abstract: One aspect of the disclosure provides a pipette tool, comprising a shield plate that includes a first major surface; and a pipe member that includes a first end portion, a second end portion, and a surrounding wall defining an internal space, wherein an end surface of the first end portion of the pipe member is fixed to the first major surface of the shield plate; the pipe member includes in the surrounding wall in the first end portion a first opening communicating with the internal space and includes in an end surface of the second end portion a second opening communicating with the internal space, an outer periphery of the end surface of the first end portion of the pipe member is inward to an outer periphery of the first major surface of the shield plate in the view from a direction of a major axis of the pipe member.Type: ApplicationFiled: October 15, 2021Publication date: November 30, 2023Applicant: NIPRO CORPORATIONInventors: Yoshihiro Yoshikawa, Masayuki Toyoshima, Ryosuke Nakamura, Kazunari Abe
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Publication number: 20230193206Abstract: Provided is a method for producing serum that exhibits improved cell proliferation activity. A method for producing serum for culturing mammalian cells, comprising: maintaining blood collected from a first mammal at a temperature between 15° C. and 25° C. for up to 48 hours and preparing serum from the blood.Type: ApplicationFiled: December 25, 2020Publication date: June 22, 2023Applicants: SAPPORO MEDICAL UNIVERSITY, NIPRO CORPORATIONInventors: Osamu Honmou, Yoshihiro Yoshikawa, Takanori Sambuichi, Naomi Morikawa, Kazunari Abe
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Publication number: 20220290084Abstract: A multilayer culture vessel, comprising a culture vessel part and a reservoir part attached to the culture vessel part, wherein the culture vessel part comprises at least two culture trays that are stacked; the reservoir part comprises a surrounding wall defining an internal space and a port communicating with the internal space; the surrounding wall comprises a first surrounding wall part provided with the port and a second surrounding wall part facing the first surrounding wall part; the culture vessel part has openings communicating individual culture trays of the at least two culture trays with the internal space of the reservoir part; and the openings of the culture vessel part extend toward a first abutting portion that the first surrounding wall part abuts on the culture vessel part from a second abutting portion that the second surrounding wall part abuts on the culture vessel part.Type: ApplicationFiled: July 7, 2020Publication date: September 15, 2022Applicant: NIPRO CORPORATIONInventors: Yoshihiro Yoshikawa, Masakatsu Takeuchi, Masafumi Yao, Hideaki Yamamoto, Yusuke Wagatsuma, Ryosuke Nakamura
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Publication number: 20210271062Abstract: An observation device includes a microscope. The microscope includes an illumination light beam source, an illumination optical system, and an observation optical system forming an optical image of an observation target from reflected light beams obtained by reflection of illumination light beams by the observation target. The observation optical system includes a phase plate changing the phase of directly reflected light beams reflected on a reflection surface among the reflected light beams. Both the illumination optical system and the observation optical system are arranged under the observation target. The observation device includes an image pickup device photoelectrically converting the optical image obtained by the observation optical system to create image data of the observation target and a display device displaying the image data. The illumination light beam emitted from the illumination optical system is a collimated light beam.Type: ApplicationFiled: July 4, 2019Publication date: September 2, 2021Inventors: Osamu HONMOU, Daiki TATEYAMA, Kosuke TAKAHASHI, Kosei TATEYAMA, Yoshihiro YOSHIKAWA
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Patent number: 11061358Abstract: To provide a transfer device including a plurality of transfer rollers, a transfer frame that supports one end of the transfer rollers, and a plurality of wiring members. The plurality of wiring members are wired on the transfer frame, and transfer device-side contact terminals formed at one ends of the wiring members are collectively arranged at one end of the transfer frame. A black wiring member is arranged on a first surface of the transfer frame, and a plurality of color wiring members are arranged on a second surface of the transfer frame.Type: GrantFiled: April 3, 2020Date of Patent: July 13, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Yoshihiro Yoshikawa
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Publication number: 20200345781Abstract: The present invention relates to a cell-based medicine comprising mesenchymal stem cells, and a method for producing the same. More specifically, the present invention relates to: a cell-based medicine containing mesenchymal stem cells, wherein a) the mesenchymal stem cells express CX3CL1 under stimulation with an inflammatory cytokine, and/or b) 90% or more of the mesenchymal stem cells express EGFR and/or ITGA4; and a method for producing a cell-based medicine containing mesenchymal stem cells, the method comprising the steps of: a) adding an inflammatory cytokine to a culture containing mesenchymal stem cells, and confirming that the mesenchymal stem cells express CX3CL1; and/or b) confirming that 90% or more of the mesenchymal stem cells express EGFR and/or ITGA4.Type: ApplicationFiled: November 9, 2018Publication date: November 5, 2020Applicants: Sapporo Medical University, Nipro CorporationInventors: Osamu HONMOU, Yoshihiro YOSHIKAWA, Ryo TOMII, Masafumi YAO, Yukari NISHII, Yusuke WAGATSUMA
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Publication number: 20200333743Abstract: To provide a transfer device including a plurality of transfer rollers, a transfer frame that supports one end of the transfer rollers, and a plurality of wiring members. The plurality of wiring members are wired on the transfer frame, and transfer device-side contact terminals formed at one ends of the wiring members are collectively arranged at one end of the transfer frame. A black wiring member is arranged on a first surface of the transfer frame, and a plurality of color wiring members are arranged on a second surface of the transfer frame.Type: ApplicationFiled: April 3, 2020Publication date: October 22, 2020Inventor: YOSHIHIRO YOSHIKAWA
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Patent number: 10563173Abstract: To provide an autoserum-containing bone marrow cell culture system, whereby bone marrow cells, which are collected from a subject without using an anticoagulant, are subjected to an anticoagulation treatment using a medium in a liquid-tight state, cultured and then further cultured using the serum of said subject which is prepared in a liquid-tight state; an autoserum-containing bone marrow cell culture method; and a method for producing a medicinal composition which comprises, as the active ingredient, autoserum-containing cultured bone marrow cells. [Solution] An autoserum-containing bone marrow cell culture system for culturing bone marrow cells, which are collected from a subject without using an anticoagulant, using the serum of said subject, said system comprising a bone marrow cell suspension-storing device, a collected blood-storing device, an autoserum-acquiring device, and a bone marrow cell-culturing device.Type: GrantFiled: May 15, 2017Date of Patent: February 18, 2020Assignee: Nipro CorporationInventors: Osamu Honmou, Yoshihiro Yoshikawa, Naomi Morikawa
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Patent number: 10444653Abstract: A corona discharge device including a corona electrode provided with multiple sharpened tip portions in a row includes a cleaning member which cleans the tip portions of the corona electrode while reciprocating along a predetermined movement direction set in advance with the tip portions biting into the cleaning member. A cleaning position at a surface of the cleaning member is different in a direction intersecting a longitudinal direction of the corona electrode between when the cleaning member moves toward one side in the movement direction and when the cleaning member moves toward another side in the movement direction.Type: GrantFiled: August 26, 2018Date of Patent: October 15, 2019Assignee: Sharp Kabushiki KaishaInventors: Yoshihiro Yoshikawa, Yuhsuke Yoshimoto, Takeshi Nishiyama
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Publication number: 20190004444Abstract: A corona discharge device including a corona electrode provided with multiple sharpened tip portions in a row includes a cleaning member which cleans the tip portions of the corona electrode while reciprocating along a predetermined movement direction set in advance with the tip portions biting into the cleaning member. A cleaning position at a surface of the cleaning member is different in a direction intersecting a longitudinal direction of the corona electrode between when the cleaning member moves toward one side in the movement direction and when the cleaning member moves toward another side in the movement direction.Type: ApplicationFiled: August 26, 2018Publication date: January 3, 2019Inventors: Yoshihiro YOSHIKAWA, Yuhsuke YOSHIMOTO, Takeshi NISHIYAMA
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Patent number: 10088769Abstract: A corona discharge device including a corona electrode provided with multiple sharpened tip portions in a row includes a cleaning member which cleans the tip portions of the corona electrode while reciprocating along a predetermined movement direction set in advance with the tip portions biting into the cleaning member. A cleaning position at a surface of the cleaning member is different in a direction intersecting a longitudinal direction of the corona electrode between when the cleaning member moves toward one side in the movement direction and when the cleaning member moves toward another side in the movement direction.Type: GrantFiled: May 9, 2017Date of Patent: October 2, 2018Assignee: Sharp Kabushiki KaishaInventors: Yoshihiro Yoshikawa, Yuhsuke Yoshimoto, Takeshi Nishiyama
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Patent number: 10036997Abstract: A process unit includes a photoreceptor drum, a frame and seal members. The photoreceptor drum has drum flanges protruded outwardly from both end surfaces of a substrate. The frame supports the photoreceptor drum rotatably. The seal members are provided between both end surfaces of the photoreceptor drum and the frame, and support the drum flanges. Each of the seal members includes an elastic member and a hard member. The elastic member and the hard member are adhered and laminated with each other in an axial direction of the photoreceptor drum. Furthermore, the hard member is arranged so as to be brought into contact with the photoreceptor drum.Type: GrantFiled: December 28, 2017Date of Patent: July 31, 2018Assignee: Sharp Kabushiki KaishaInventors: Yoshihiro Yoshikawa, Yuhsuke Yoshimoto, Takeshi Nishiyama
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Publication number: 20180120762Abstract: A process unit includes a photoreceptor drum, a frame and seal members. The photoreceptor drum has drum flanges protruded outwardly from both end surfaces of a substrate. The frame supports the photoreceptor drum rotatably. The seal members are provided between both end surfaces of the photoreceptor drum and the frame, and support the drum flanges. Each of the seal members includes an elastic member and a hard member. The elastic member and the hard member are adhered and laminated with each other in an axial direction of the photoreceptor drum. Furthermore, the hard member is arranged so as to be brought into contact with the photoreceptor drum.Type: ApplicationFiled: December 28, 2017Publication date: May 3, 2018Inventors: Yoshihiro YOSHIKAWA, Yuhsuke YOSHIMOTO, Takeshi NISHIYAMA
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Patent number: 9891582Abstract: A process unit includes a photoreceptor drum, a frame and seal members. The photoreceptor drum has drum flanges protruded outwardly from both end surfaces of a substrate. The frame supports the photoreceptor drum rotatably. The seal members are provided between both end surfaces of the photoreceptor drum and the frame, and support the drum flanges. Each of the seal members includes an elastic member and a hard member. The elastic member and the hard member are adhered and laminated with each other in an axial direction of the photoreceptor drum. Furthermore, the hard member is arranged so as to be brought into contact with the photoreceptor drum.Type: GrantFiled: September 12, 2016Date of Patent: February 13, 2018Assignee: Sharp Kabushiki KaishaInventors: Yoshihiro Yoshikawa, Yuhsuke Yoshimoto, Takeshi Nishiyama
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Patent number: D836210Type: GrantFiled: July 14, 2017Date of Patent: December 18, 2018Assignees: NIPRO CORPORATION, SAPPORO MEDICAL UNIVERSITYInventors: Osamu Honmou, Tomohiro Uchimura, Kei Matsuo, Yoshihiro Yoshikawa, Yoshihito Yamagata, Masayuki Ishigami
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Patent number: D952896Type: GrantFiled: April 27, 2020Date of Patent: May 24, 2022Assignee: NIPRO CORPORATIONInventors: Yusuke Wagatsuma, Ryosuke Nakamura, Hideaki Yamamoto, Masafumi Yao, Masakatsu Takeuchi, Yoshihiro Yoshikawa, Shinya Asaka, Naoki Nakagawa
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Patent number: D952898Type: GrantFiled: January 12, 2022Date of Patent: May 24, 2022Assignee: NIPRO CORPORATIONInventors: Yusuke Wagatsuma, Ryosuke Nakamura, Hideaki Yamamoto, Masafumi Yao, Masakatsu Takeuchi, Yoshihiro Yoshikawa, Shinya Asaka, Naoki Nakagawa
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Patent number: D961113Type: GrantFiled: January 12, 2022Date of Patent: August 16, 2022Assignee: NIPRO CORPORATIONInventors: Yusuke Wagatsuma, Ryosuke Nakamura, Hideaki Yamamoto, Masafumi Yao, Masakatsu Takeuchi, Yoshihiro Yoshikawa, Shinya Asaka, Naoki Nakagawa
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Patent number: D963887Type: GrantFiled: January 12, 2022Date of Patent: September 13, 2022Assignee: NIPRO CORPORATIONInventors: Yusuke Wagatsuma, Ryosuke Nakamura, Hideaki Yamamoto, Masafumi Yao, Masakatsu Takeuchi, Yoshihiro Yoshikawa, Shinya Asaka, Naoki Nakagawa