Patents by Inventor Masaaki Takahashi
Masaaki Takahashi 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: 20240393721Abstract: An image forming system includes: an image carrying element that is rotatably provided and carries an image; an image forming element that forms the image on the image carrying element using an image forming material containing at least an external additive; a transfer element that transfers the image carried by the image carrying element to a medium; a cleaning element having a plate shape, the cleaning element being disposed so that a leading end comes into contact with the image carrying element while being inclined in a direction opposite to a rotation direction of the image carrying element to clean a residue remaining on the image carrying element after a transfer operation by the transfer element; a maintenance element that forms, using the image forming element, a band-shaped maintenance image of the image forming material in a non-image formation region of the image carrying element, and regularly or irregularly supplies the maintenance image to the cleaning element in a state where the transfer operType: ApplicationFiled: November 17, 2023Publication date: November 28, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Masaaki YAMAURA, Toshihiko MITSUHASHI, Mariko SUZUKI, Akihiro TAKAHASHI
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Patent number: 12142738Abstract: Disclosed is a power storage unit which can safely operate over a wide temperature range. The power storage unit includes: a power storage device; a heater for heating the power storage device; a temperature sensor for sensing the temperature of the power storage device; and a control circuit configured to inhibit charge of the power storage device when its temperature is lower than a first temperature or higher than a second temperature. The first temperature is exemplified by a temperature which allows the formation of a dendrite over a negative electrode of the power storage device, whereas the second temperature is exemplified by a temperature which causes decomposition of a passivating film formed over a surface of a negative electrode active material.Type: GrantFiled: December 27, 2022Date of Patent: November 12, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Minoru Takahashi, Shunpei Yamazaki, Masaaki Hiroki, Kei Takahashi, Junpei Momo
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Patent number: 12119290Abstract: A semiconductor device includes a first conductive plate, a second conductive plate, first switching elements, second switching elements, a first supply terminal and a second supply terminal. The first and second conductive plates are spaced apart from each other in a first direction. The first switching elements are bonded to the first conductive plate, and are electrically connected to the second conductive plate. The second switching elements are bonded to the second conductive plate. The first supply terminal is bonded to the first conductive plate. The second supply terminal has a region that overlaps with the first supply terminal as viewed in a plan view. The second supply terminal is spaced apart from the first conductive plate and the first supply terminal in a thickness direction perpendicular to the first direction. The second supply terminal is electrically connected to the second switching elements.Type: GrantFiled: April 26, 2023Date of Patent: October 15, 2024Assignee: ROHM CO., LTD.Inventors: Takumi Kanda, Masaaki Matsuo, Soichiro Takahashi, Yoshitoki Inami, Kaito Inoue
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Patent number: 12101983Abstract: Regarding a display device (a display device including display elements driven by currents) equipped with a touch panel, degradation in display quality caused by touch is suppressed. A display device equipped with a touch panel is provided with a determination circuit (303) that determines whether or not a characteristic detection process is influenced by touch, based on a touch position and a monitoring target row which is a row to be subjected to the characteristic detection process. When the determination circuit (303) determines that the characteristic detection process is influenced by touch, a display control circuit (301) controls operation of a gate driver (12) and a source driver (20) such that a normal characteristic detection process is stopped until the determination circuit (303) determines that the characteristic detection process is not influenced by touch.Type: GrantFiled: March 12, 2021Date of Patent: September 24, 2024Assignee: SHARP KABUSHIKI KAISHAInventors: Yuta Tanaka, Masaaki Nishio, Kazuki Takahashi
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Publication number: 20240311135Abstract: A center device that manages data to be written in an electronic control device and performs, by an application program, functions to transmit update data to a vehicle by wireless communication is provided. An application program implementing at least one of the functions adopts a serverless architecture. The application program is activated upon occurrence of an event and is dynamically allocated with a resource in an on-demand manner for execution of a code of the application program. The resource is released when the execution of the code is terminated. The center device is configured to receive vehicle configuration information and determine whether there is campaign information; generate campaign notification information; manage a generation state of the campaign notification information; and distribute the campaign notification information.Type: ApplicationFiled: May 28, 2024Publication date: September 19, 2024Inventors: Hideo YOSHIMI, Yuzo HARATA, Nao KOJIMA, Kazuhiro UEHARA, Yoshitaka OZAKI, Shuhei TAKAHASHI, Masaaki ABE, Koto TOMATSU
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Patent number: 12070925Abstract: Provided is a fixing rotating member capable of maintaining high toner releasability over longer periods of time than in conventional instances and that is capable of maintaining abrasion resistance against paper; the fixing rotating member comprises a base layer, an elastic layer, and a surface layer, in this order; the surface layer containing a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer and a perfluoropolyether; the tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer having pores formed therein; the surface layer has pores with openings at a first surface thereof, and constituting an outer surface of the fixing rotating member; at least part of the pores containing the perfluoropolyether; a content of the perfluoropolyether in the surface layer is 20 mass % to 60 mass %; and a degree of orientation A of molecules of the tetrafluoroethylene-perfluoroalkyl vinyl ether in a direction perpendicular to a circumferential direction of the surface layer is 35 to 75%.Type: GrantFiled: December 17, 2021Date of Patent: August 27, 2024Assignee: Canon Kabushiki KaishaInventors: Hiroki Muramatsu, Ryo Ishifuji, Yohei Miyauchi, Yasuharu Notoya, Yusuke Baba, Masaaki Takahashi, Naoko Kasai
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Patent number: 12072646Abstract: Provided is an image forming apparatus including: an annular transfer belt having an outer surface on which an image is transferred; a transferring unit including a transfer cylinder having a transfer area that sandwiches a recording medium with the outer surface of the transfer belt to transfer the image from the outer surface of the transfer belt to the recording medium, and a pair of first rotating bodies disposed on both axial end sides of the transfer cylinder; a pair of circulating members each being wound around the first rotating body and being circulated by rotation of the first rotating bodies; and a holding unit attached to the circulating members, the holding unit configured to hold the recording medium, transport the recording medium with circulation of the circulating members, and pass the recording medium through the transfer area.Type: GrantFiled: October 17, 2022Date of Patent: August 27, 2024Assignee: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Tomoaki Yoshioka, Mitsuaki Kuroda, Kazuyoshi Hagiwara, Shohei Miyagawa, Kei Tanaka, Masaaki Takahashi, Yoko Miyamoto, Toshiaki Baba
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Patent number: 12059874Abstract: A fixing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer containing PFA and PFPE, and having pores with openings at a first surface; at least part of the pores containing the PFPE, wherein when after removing the PFPE in the pores, placing a first observation region on the first surface, defining a ratio of a sum of areas of the openings in the first observation region relative to an area of the first observation region as P1; and placing a second observation region in a cross section of the surface layer, and defining a ratio of a sum of areas of the pores in the second observation region relative to an area of the second observation region as P2, P2/P1 is 1.3 or higher.Type: GrantFiled: December 17, 2021Date of Patent: August 13, 2024Assignee: Canon Kabushiki KaishaInventors: Yohei Miyauchi, Yasuharu Notoya, Naoko Kasai, Yusuke Baba, Masaaki Takahashi, Hiroki Muramatsu, Ryo Ishifuji
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Patent number: 12026004Abstract: An input device includes an operating body that moves through an operation performed by an operator, a movable portion that slides in accordance with movement of the operating body, a lever including a first end portion that engages with the movable portion, a rotation center, a second end portion located on an opposite side of the rotation center from the first end portion, and a magnet provided on the second end portion, where the lever rotates in accordance with sliding of the movable portion, and a magnetic sensor disposed facing the magnet. A second length from the rotation center of the lever to the magnet is greater than a first length from the rotation center to the first end portion of the lever.Type: GrantFiled: January 10, 2023Date of Patent: July 2, 2024Assignee: Alps Alpine Co., Ltd.Inventors: Satoshi Iimure, Masaaki Takahashi
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Patent number: 12019381Abstract: An electrophotographic member includes a base layer, an elastic layer, and a surface layer stacked in this order. The surface layer contains a fluorine resin and a fluorine rubber, the fluorine rubber is contained at a proportion of 0.5 parts by mass or more and 1.0 parts by mass or less with respect to 1 part by mass of the fluorine resin, and the surface layer further contains a compound represented by formula (1): CH3(CH2)m—O—((CH2)lO)n—OH??(1) In formula (1), m, l, and n each independently represent an integer of 1 or more.Type: GrantFiled: November 29, 2022Date of Patent: June 25, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Yusuke Baba, Masaaki Takahashi, Masahiro Takenaga, Takeshi Suzuki, Masayuki Onuma, Kaoru Okamoto
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Publication number: 20230323066Abstract: A resinous membrane comprising a resin including a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, having a water pressure resistance of 800 kPa or more, and having a moisture permeability of 1500 g/m2·day or more.Type: ApplicationFiled: June 16, 2023Publication date: October 12, 2023Inventors: YUSUKE BABA, MASAAKI TAKAHASHI, YOHEI MIYAUCHI, NAOKO KASAI
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Patent number: 11752652Abstract: A cutting apparatus is provided. The cutting apparatus includes a cutter disposed in a conveying path for conveying a plate-shaped object and configured to cut the object, a downstream conveyor disposed downstream of the cutter in the conveying path and configured to convey the object, and a foreign-matter adhesion preventer disposed between the cutter and the downstream conveyor and configured to prevent foreign matter scattered by the cutter from adhering to the downstream conveyor.Type: GrantFiled: August 18, 2017Date of Patent: September 12, 2023Assignee: YOSHINO GYPSUM CO., LTD.Inventors: Katsumi Niimi, Masaaki Takahashi, Tsuyoshi Yoshida, Masaki Ushizawa
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Publication number: 20230176506Abstract: An electrophotographic member includes a base layer, an elastic layer, and a surface layer stacked in this order. The surface layer contains a fluorine resin and a fluorine rubber, the fluorine rubber is contained at a proportion of 0.5 parts by mass or more and 1.0 parts by mass or less with respect to 1 part by mass of the fluorine resin, and the surface layer further contains a compound represented by formula (1): CH3(CH2)m—O—((CH2)lO)n—OH??(1) In formula (1), m, l, and n each independently represent an integer of 1 or more.Type: ApplicationFiled: November 29, 2022Publication date: June 8, 2023Inventors: Yusuke Baba, Masaaki Takahashi, Masahiro Takenaga, Takeshi Suzuki, Masayuki Onuma, Kaoru Okamoto
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Patent number: 11644777Abstract: Provided is a pressurizing member including a substrate, an elastic layer on the substrate, and a surface layer on the elastic layer, the surface layer containing a fluorine resin, wherein the surface layer has a surface resistivity of 1×1011[?/?] or less at a temperature of 25° C. when applying a DC voltage of 500 V, and a thermal conductivity ? in a thickness direction of the surface layer is 0.093 [W/(m·K)] or less.Type: GrantFiled: May 27, 2022Date of Patent: May 9, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Ryo Ishifuji, Hiroki Muramatsu, Yasuharu Notoya, Yohei Miyauchi, Naoko Kasai, Yusuke Baba, Masaaki Takahashi
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Patent number: 11609525Abstract: A post-processing device includes an output unit that outputs a medium; a stacking unit on which the medium that is output is stacked; and a blow-out unit that is disposed below the output unit and that blows gas toward the medium that is output, wherein an amount of the gas blown is adjusted in accordance with a type of the medium.Type: GrantFiled: January 19, 2021Date of Patent: March 21, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Yoshiji Kano, Shinya Takahashi, Tomoko Taguchi, Masaaki Takahashi, Hiroshi Ashizawa
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Patent number: 11579541Abstract: An image forming apparatus includes: an image holder configured to hold an image formed using an electrographic process; a transfer body that faces the image holder and is configured to contact the image holder while rotating to form a secondary transfer region; an application unit configured to apply a voltage for charging the secondary transfer region; and a charge unit that faces a region other than the secondary transfer region of the transfer body and is configured to charge a surface of the transfer body with a polarity opposite to an applied voltage of the application unit.Type: GrantFiled: June 24, 2021Date of Patent: February 14, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Koichiro Yuasa, Toshiaki Baba, Yoko Miyamoto, Takeshi Yasuda, Hirotaka Tanaka, Masaaki Takahashi, Tomoaki Yoshioka
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Publication number: 20230038531Abstract: Provided is an image forming apparatus including: an annular transfer belt having an outer surface on which an image is transferred; a transferring unit including a transfer cylinder having a transfer area that sandwiches a recording medium with the outer surface of the transfer belt to transfer the image from the outer surface of the transfer belt to the recording medium, and a pair of first rotating bodies disposed on both axial end sides of the transfer cylinder; a pair of circulating members each being wound around the first rotating body and being circulated by rotation of the first rotating bodies; and a holding unit attached to the circulating members, the holding unit configured to hold the recording medium, transport the recording medium with circulation of the circulating members, and pass the recording medium through the transfer area.Type: ApplicationFiled: October 17, 2022Publication date: February 9, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Tomoaki YOSHIOKA, Mitsuaki KURODA, Kazuyoshi HAGIWARA, Shohei MIYAGAWA, Kei TANAKA, Masaaki TAKAHASHI, Yoko MIYAMOTO, Toshiaki BABA
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Patent number: 11561495Abstract: A pressing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer having pores, wherein when placing an observation region of 8 ?m long×11 ?m wide at a cross section of the surface layer in a thickness direction of the surface layer—a direction perpendicular to a circumferential direction of the pressing rotating member, a degree of orientation f of the pores observed in the observation region is 0.20 or higher, and an orientation angle ? of the pores observed in the observation region is 0° to 10°.Type: GrantFiled: December 17, 2021Date of Patent: January 24, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Naoko Kasai, Yohei Miyauchi, Yasuharu Notoya, Takuji Oishi, Yasuhiro Miyahara, Masaaki Takahashi, Yusuke Baba, Hiroki Muramatsu, Ryo Ishifuji
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Publication number: 20220390885Abstract: Provided is a pressurizing member including a substrate, an elastic layer on the substrate, and a surface layer on the elastic layer, the surface layer containing a fluorine resin, wherein the surface layer has a surface resistivity of 1×1011[?/?] or less at a temperature of 25° C. when applying a DC voltage of 500 V, and a thermal conductivity ? in a thickness direction of the surface layer is 0.093 [W/(m·K)] or less.Type: ApplicationFiled: May 27, 2022Publication date: December 8, 2022Inventors: Ryo Ishifuji, Hiroki Muramatsu, Yasuharu Notoya, Yohei Miyauchi, Naoko Kasai, Yusuke Baba, Masaaki Takahashi
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Patent number: 11520252Abstract: An image forming apparatus includes: an annular transfer belt having an outer surface on which an image is transferred; a nip portion that forms a nip region for nipping a recording medium with an outer surface of the transfer belt; a facing portion that faces the nip region from an inner side of the transfer belt and transfers the image from the transfer belt to the recording medium in the nip region by charging the transfer belt; and a transport unit including a holding portion that holds the recording medium, transports the recording medium by moving the holding portion, and causes the recording medium together with the holding portion to pass the nip region while holding the recording medium at the holding portion.Type: GrantFiled: June 3, 2021Date of Patent: December 6, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Tomoaki Yoshioka, Masaaki Takahashi, Kazuyoshi Hagiwara, Yoko Miyamoto, Toshiaki Baba