Patents by Inventor Masaaki Ishihara
Masaaki Ishihara 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: 20240133331Abstract: A catalyst support for induction heating includes: a honeycomb structure including a pillar shaped honeycomb structure portion having: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from an end face on an inlet side to an end face on an outlet side in a gas flow direction to form a flow path; a catalyst supported onto an interior of the partition wall; and at least one magnetic body provided within the honeycomb structure, wherein the catalyst support has a region A where the catalyst is not supported, at least on the end face side of the catalyst support on the inlet side in the gas flow direction, and wherein the magnetic body is arranged at least in the region A in the gas flow direction.Type: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA, Kai MATSUMOTO, Norihisa FUJIE, Yoichi AOKI
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Publication number: 20240133330Abstract: A catalyst support for induction heating includes: a honeycomb structure including a pillar shaped honeycomb structure portion having: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from an end face on an inlet side to an end face on an outlet side in a gas flow direction to form a flow path; a catalyst supported onto an interior of the partition wall; and at least one magnetic body provided within the honeycomb structure, wherein the catalyst support has a region A where the catalyst is not supported, at least on the end face side of the catalyst support on the inlet side in the gas flow direction, and wherein the magnetic body is arranged at least in the region A in the gas flow direction.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA, Kai MATSUMOTO, Norihisa FUJIE, Yoichi AOKI
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Publication number: 20230029136Abstract: A recording apparatus includes a housing configured to house a recording portion recording an image on a sheet and to have a side including an opening through which the sheet passes, a tray configured to rotate about a rotation shaft, relative to the housing, between a closed position at a first angle for closing the opening and an open position at a second angle for loading the sheet, and an urging mechanism configured to urge the tray toward the closed position when an angle about the rotation shaft of the tray is between the first angle and a third angle and to urge the tray toward the open position when an angle about the rotation shaft of the tray is between the third angle and the second angle. The third angle is an angle between the first angle and the second angle.Type: ApplicationFiled: July 7, 2022Publication date: January 26, 2023Inventors: Ryo Takano, Tetsu Hamano, Atsushi Ikeda, Masaaki Ishihara
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Publication number: 20230015406Abstract: A sheet feeding apparatus includes a detection unit provided to be movable with respect to a sheet stacking portion and configured to detect a sheet by causing a contact portion to come into contact with an uppermost sheet stacked on a stacking surface, wherein a bottom portion of the sheet stacking portion forms a part of a bottom portion of the sheet feeding apparatus, the sheet stacking portion is provided with a through hole configured to be expose in the case where no sheet is stacked on the stacking surface, the through hole penetrating the stacking surface to a bottom surface of the sheet stacking portion, and the contact portion is positioned inside the through hole in the case where no sheet is stacked on the stacking surface.Type: ApplicationFiled: July 18, 2022Publication date: January 19, 2023Inventors: Atsushi Ikeda, Yasuhito Tsubakimoto, Masaaki Ishihara
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Patent number: 11345172Abstract: A printing apparatus includes a tray on which a sheet is to be stacked, a container configured to store the tray such that the tray can be pulled out, a first guide unit configured to guide a slide of the tray in a pull-out direction, a second guide unit spaced apart from the first guide unit in a widthwise direction, a first regulating portion provided in the container and configured to regulate, by abutting against the tray, a tilt of the tray to one direction in the widthwise direction; and a second regulating portion provided in the container and configured to regulate, by abutting against the tray, a tilt of the tray to the other direction in the widthwise direction.Type: GrantFiled: February 4, 2021Date of Patent: May 31, 2022Assignee: Canon Kabushiki KaishaInventors: Hiroyuki Saito, Yasushi Ishida, Tomohiko Yata, Masaaki Ishihara
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Publication number: 20210252883Abstract: A printing apparatus includes a tray on which a sheet is to be stacked, a container configured to store the tray such that the tray can be pulled out, a first guide unit configured to guide a slide of the tray in a pull-out direction, a second guide unit spaced apart from the first guide unit in a widthwise direction, a first regulating portion provided in the container and configured to regulate, by abutting against the tray, a tilt of the tray to one direction in the widthwise direction; and a second regulating portion provided in the container and configured to regulate, by abutting against the tray, a tilt of the tray to the other direction in the widthwise direction.Type: ApplicationFiled: February 4, 2021Publication date: August 19, 2021Inventors: Hiroyuki SAITO, Yasushi ISHIDA, Tomohiko YATA, Masaaki ISHIHARA
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Patent number: 10958806Abstract: An object of the present invention is to provide a printing apparatus including a scanner unit openable and closable with respect to a printer body unit for simultaneously achieving smooth opening/closing movement and the downsizing of the apparatus. The printing apparatus includes a first gear member provided in the printer body unit and a second gear member which is attached to the scanner unit so as to be swingable with respect to the scanner unit and which is in mesh with the first gear member. When the scanner unit opens or closes with respect to the printer body unit, the second gear member swings with respect to the scanner unit while retaining a meshing state with the first gear member.Type: GrantFiled: July 31, 2018Date of Patent: March 23, 2021Assignee: Canon Kabushiki KaishaInventors: Masaaki Ishihara, Yasushi Ishida, Toshiya Matsumoto, Mitsuyuki Fujibayashi, Haruo Uchida
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Patent number: 10226933Abstract: In an embodiment of this invention, a carriage includes a first lever that is operated by an operator to attach or detach a printhead and rotates about a first rotating shaft. The carriage also includes a second lever that rotates about a second rotating shaft parallel to the first rotating shaft and, if the printhead is attached, contacts part of the printhead and presses the printhead in accordance with the rotation. The carriage further includes a spring having one end hung on an end portion of the second lever and the other end hung on part of the carriage. If the printhead is attached, the press force of the spring acts to press the printhead against the carriage in accordance with the rotation of the first lever. If the printhead is detached, no press force acts.Type: GrantFiled: July 19, 2017Date of Patent: March 12, 2019Assignee: Canon Kabushiki KaishaInventor: Masaaki Ishihara
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Publication number: 20190052766Abstract: An object of the present invention is to provide a printing apparatus including a scanner unit openable and closable with respect to a printer body unit for simultaneously achieving smooth opening/closing movement and the downsizing of the apparatus. The printing apparatus includes a first gear member provided in the printer body unit and a second gear member which is attached to the scanner unit so as to be swingable with respect to the scanner unit and which is in mesh with the first gear member. When the scanner unit opens or closes with respect to the printer body unit, the second gear member swings with respect to the scanner unit while retaining a meshing state with the first gear member.Type: ApplicationFiled: July 31, 2018Publication date: February 14, 2019Inventors: Masaaki Ishihara, Yasushi Ishida, Toshiya Matsumoto, Mitsuyuki Fujibayashi, Haruo Uchida
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Publication number: 20180029373Abstract: In an embodiment of this invention, a carriage includes the first lever that is operated by an operator to attach or detach a printhead and rotates about the first rotating shaft. The carriage also includes the second lever that rotates about the second rotating shaft parallel to the first rotating shaft and, if the printhead is attached, contacts part of the printhead and presses the printhead in accordance with the rotation. The carriage further includes a spring having one end hung on an end portion of the second lever and the other end hung on part of the carriage. If the printhead is attached, the press force of the spring acts to press the printhead against the carriage in accordance with the rotation of the first lever. If the printhead is detached, no press force acts.Type: ApplicationFiled: July 19, 2017Publication date: February 1, 2018Inventor: Masaaki Ishihara
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Patent number: 9309071Abstract: A conveying apparatus includes a sheet conveyance path including a curved portion, and a roller pair that is located along the conveyance path and conveys a sheet. At least one of rollers of the roller pair moves such that the orientation of conveying force exerted onto the sheet by the roller pair at its nip point is changed after the roller pair pinches the sheet.Type: GrantFiled: August 15, 2012Date of Patent: April 12, 2016Assignee: Canon Kabushiki KaishaInventor: Masaaki Ishihara
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Patent number: 8944585Abstract: A printing apparatus is provided which can prevent foreign matters such as ink adhering to the surface of the conveying belt from getting transferred to other constitutional components. When the conveying belt is rotating in one direction, the foreign matters adhering to the surface of the conveying belt is removed by the wiper. When the conveying belt rotates a predetermined distance in the opposite direction, the pinch roller, the electric charge removing roller and the electric charge supply roller that are in contact with the belt surface are disengaged from the surface of the conveying belt. The predetermined distance is set equal to a rotating distance that the conveying belt rotates until a portion of the surface of the conveying belt, which was in contact with the wiper, comes into contact with the pinch roller, the electric charge removing roller and the electric charge supply roller.Type: GrantFiled: April 20, 2011Date of Patent: February 3, 2015Assignee: Canon Kabushiki KaishaInventors: Yasuyuki Hirai, Kentaro Onuma, Masaaki Ishihara
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Patent number: 8451698Abstract: An optical disk reproducing device includes: a signal reproducing section configured to read and decode information recorded on an optical disk by an optical pickup unit, and reproduce the information, wherein the signal reproducing section includes a gain controlled amplifier circuit configured to amplify an radio frequency signal generated from a light receiving element, an automatic gain control circuit configured to control a gain of the gain controlled amplifier circuit, and a signal processing section configured to derive a part of an automatic gain control value generated in the automatic gain control circuit, and generate a control signal for adjusting one of an optical system path and a detection system path for controlling the optical pickup unit.Type: GrantFiled: June 1, 2010Date of Patent: May 28, 2013Assignee: Sony CorporationInventors: Nobuyuki Asai, Nobuyoshi Kobayashi, Yuji Gendai, Kazumasa Nishimoto, Masaaki Ishihara, Satoshi Kato
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Publication number: 20130043645Abstract: A conveying apparatus includes a sheet conveyance path including a curved portion, and a roller pair that is located along the conveyance path and conveys a sheet. At least one of rollers of the roller pair moves such that the orientation of conveying force exerted onto the sheet by the roller pair at its nip point is changed after the roller pair pinches the sheet.Type: ApplicationFiled: August 15, 2012Publication date: February 21, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Masaaki Ishihara
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Patent number: 8081352Abstract: An image reading/recording apparatus which can prevent a reading unit from closing abruptly and reduce the force required to open the reading unit is to be provided. The apparatus is equipped with a damper unit which links the apparatus body and the scanner unit and the working direction of whose force is reversed on the way of the turning of the scanner unit, and a metal-made supporting member which is arranged in the apparatus body and supports the damper unit in a state in which the scanner unit is closed relative to the apparatus body.Type: GrantFiled: July 17, 2006Date of Patent: December 20, 2011Assignee: Canon Kabushiki KaishaInventors: Hiroshi Ogushi, Nozomu Nishiberi, Masaaki Ishihara, Tetsuya Saito, Nobuhiro Toki, Masahiro Kawanishi, Tomoko Ueno
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Publication number: 20110261130Abstract: A printing apparatus is provided which can prevent foreign matters such as ink adhering to the surface of the conveying belt from getting transferred to other constitutional components. When the conveying belt is rotating in one direction, the foreign matters adhering to the surface of the conveying belt is removed by the wiper. When the conveying belt rotates a predetermined distance in the opposite direction, the pinch roller, the electric charge removing roller and the electric charge supply roller that are in contact with the belt surface are disengaged from the surface of the conveying belt. The predetermined distance is set equal to a rotating distance that the conveying belt rotates until a portion of the surface of the conveying belt, which was in contact with the wiper, comes into contact with the pinch roller, the electric charge removing roller and the electric charge supply roller.Type: ApplicationFiled: April 20, 2011Publication date: October 27, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Yasuyuki Hirai, Kentaro Onuma, Masaaki Ishihara
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Patent number: 8007100Abstract: There is provided a recording apparatus in which a pressure contact position of a pinch roller to a conveying roller and a distance between the pressure contact position of the pinch roller and a platen can be properly set corresponding to different recording conditions so that a high quality image can be recorded even under the different recording conditions. A movement of the pressure contact position in which the pressure contact position of the pinch roller 37 to the conveying roller is moved by moving a pinch roller holder and a movement of the platen in which a position of the platen which faces a recording head 7 is moved for the pressure contact position of the pinch roller are executed in an interlocking relational manner.Type: GrantFiled: March 4, 2008Date of Patent: August 30, 2011Assignee: Canon Kabushiki KaishaInventors: Masaaki Ishihara, Koichiro Kawaguchi
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Publication number: 20110019512Abstract: An optical disk reproducing device includes: a signal reproducing section configured to read and decode information recorded on an optical disk by an optical pickup unit, and reproduce the information, wherein the signal reproducing section includes a gain controlled amplifier circuit configured to amplify an radio frequency signal generated from a light receiving element, an automatic gain control circuit configured to control a gain of the gain controlled amplifier circuit, and a signal processing section configured to derive a part of an automatic gain control value generated in the automatic gain control circuit, and generate a control signal for adjusting one of an optical system path and a detection system path for controlling the optical pickup unit.Type: ApplicationFiled: June 1, 2010Publication date: January 27, 2011Applicant: Sony CorporationInventors: Nobuyuki Asai, Nobuyoshi Kobayashi, Yuji Gendai, Kazumasa Nishimoto, Masaaki Ishihara, Satoshi Kato
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Patent number: 7769322Abstract: An image reading apparatus includes an image reading unit, a compression spring unit, a braking unit, and a switching unit. The compression spring unit serves as an opening and closing mechanism for the image reading unit. The braking unit brakes the opening and closing movement of the image reading unit. The switching unit transmits the rotation of the image reading unit to the braking unit when the image reading unit closes, but does not transmit the rotation of the image reading unit to the braking unit when the image reading unit opens.Type: GrantFiled: February 19, 2007Date of Patent: August 3, 2010Assignee: Canon Kabushiki KaishaInventors: Masaaki Ishihara, Haruo Ishizuka, Tadashi Hanabusa, Katsumi Obana, Shinya Asano
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Patent number: 7561432Abstract: A memory card reader apparatus includes an electric board having a connector into which a memory card is inserted, a board holder holding the electric board, a card connector cover having a card slot, and an exterior cover different from the card connector cover. The board holder is positioned relative to the exterior cover. The board holder and the card connector cover are positioned in at least two directions perpendicular to the direction in which the memory card is inserted and pulled out.Type: GrantFiled: September 8, 2005Date of Patent: July 14, 2009Assignee: Canon Kabushiki KaishaInventors: Masaaki Ishihara, Masahiro Kawanishi, Hiroshi Ogushi, Masato Koshimizu