Patents by Inventor Kyota Miyazaki
Kyota Miyazaki 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: 9358779Abstract: An apparatus that performs recording using a recording head provided with a plurality of ejection port arrays each including a plurality of ejection ports for ejecting a liquid and heaters each provided corresponding to each of the ejection ports, the ejection port arrays being disposed on a printing element board and arranged in a predetermined direction, the apparatus including a driving unit configured to drive the heaters corresponding to the ejection ports in the plurality of ejection port arrays to eject the liquid, the driving unit giving priority to the heater corresponding to other ejection port array except for a first ejection port array and a second ejection port array of both sides in the predetermined direction among the plurality of ejection port arrays disposed in the predetermined direction to drive for recording.Type: GrantFiled: October 26, 2015Date of Patent: June 7, 2016Assignee: Canon Kabushiki KaishaInventors: Kyota Miyazaki, Akira Yamamoto, Yasuhiko Osaki, Toshiaki Hirosawa
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Publication number: 20160114577Abstract: An apparatus that performs recording using a recording head provided with a plurality of ejection port arrays each including a plurality of ejection ports for ejecting a liquid and heaters each provided corresponding to each of the ejection ports, the ejection port arrays being disposed on a printing element board and arranged in a predetermined direction, the apparatus including a driving unit configured to drive the heaters corresponding to the ejection ports in the plurality of ejection port arrays to eject the liquid, the driving unit giving priority to the heater corresponding to other ejection port array except for a first ejection port array and a second ejection port array of both sides in the predetermined direction among the plurality of ejection port arrays disposed in the predetermined direction to drive for recording.Type: ApplicationFiled: October 26, 2015Publication date: April 28, 2016Inventors: Kyota Miyazaki, Akira Yamamoto, Yasuhiko Osaki, Toshiaki Hirosawa
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Publication number: 20160059551Abstract: There is provided a miniaturized liquid ejecting head and a liquid ejecting apparatus on which the liquid ejecting head is mounted. A plurality of ink supply ports are formed on a print element substrate to supply ink to a bubble generation chamber. Electrothermal transducing elements are arranged only in regions interposed between the plurality of ink supply ports each other. A drive circuit for driving the electrothermal transducing element is arranged in a region that is not included in the region interposed between the plurality of ink supply ports each other.Type: ApplicationFiled: August 24, 2015Publication date: March 3, 2016Inventors: Kyota MIYAZAKI, Akira Yamamoto, Yasuhiko Osaki, Toshiaki Hirosawa
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Patent number: 8894182Abstract: A liquid discharge head includes a liquid discharge substrate having a discharge port array, and a channel member having a mounted face on which the liquid discharge substrate is mounted, channels for supplying liquid to the discharge port array, and a low thermal conductivity portion, wherein the channels includes an opening for flowing liquid, which is provided at a part except for both ends of the discharge port array, a first channel for passing the liquid, and a second channel for passing the liquid in a direction opposite to the liquid flowing direction in the first channel, wherein the opening, the first channel, the low thermal conductivity portion, and the second channel are provided in this order to be vertical to the mounted face, and the opening and the low thermal conductivity portion are provided to be at least partially overlapped one above the other.Type: GrantFiled: May 9, 2011Date of Patent: November 25, 2014Assignee: Canon Kabushiki KaishaInventors: Yasuhiko Osaki, Toshiaki Hirosawa, Hiroki Tajima, Akira Yamamoto, Kyota Miyazaki
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Patent number: 8534798Abstract: An ink jet recording head includes a supporting member, a plurality of recording element substrates secured to the supporting member while being arranged along a lengthwise direction of the supporting member and including a discharge port configured to discharge a droplet and an electrode formed at an end in the lengthwise direction and receives an electric signal that controls the discharge of the droplet from the discharge port, an electric wiring member secured to the supporting member and including a plurality of device holes configured to individually expose the plurality of recording element substrates and an electrode terminal formed in the periphery of the plurality of device holes in the lengthwise direction to transmit the electric signal to the electrode, and a wire configured to connect the electrode and the electrode terminal, and the electric wiring member is at least discontinued between the adjacent device holes in the lengthwise direction.Type: GrantFiled: June 3, 2010Date of Patent: September 17, 2013Assignee: Canon Kabushiki KaishaInventors: Kyota Miyazaki, Shuzo Iwanaga
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Patent number: 8419167Abstract: A liquid discharge head includes a recording element substrate including a recording element that generates energy for discharging liquid from a discharge port, a base plate including a mounted surface on which the recording element substrate is mounted, an electric wiring substrate including a portion disposed on another surface of the base plate different from the mounted surface, adjacent to the mounted surface, and configured to be electrically connected to the recording element substrate, and an shield member having electric conductivity and configured to shield the portion.Type: GrantFiled: May 10, 2011Date of Patent: April 16, 2013Assignee: Canon Kabushiki KaishaInventors: Kyota Miyazaki, Toshiaki Hirosawa, Hiroki Tajima, Akira Yamamoto
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Patent number: 8353576Abstract: A liquid discharge head includes a recording element substrate having a plurality of discharge ports for discharging liquid, and a plurality of recording elements for generating energy to discharge liquid, and an electric wiring substrate electrically connecting the recording element substrate and a driving circuit substrate having a circuit for driving the plurality of recording elements, the electric wiring substrate having a plurality of first electrical contact groups including a plurality of electrical contacts, for electrically connecting with the driving circuit substrate, provided along a disposed direction in which the plurality of discharge ports are disposed. The plurality of first electrical contact groups are detachably attached to a plurality of second electrical contact groups electrically connected with the driving circuit substrate, such that adjacent first electrical contact groups do not overlap each other in the disposed direction and in a direction orthogonal to the disposed direction.Type: GrantFiled: May 10, 2011Date of Patent: January 15, 2013Assignee: Canon Kabushiki KaishaInventors: Akira Yamamoto, Toshiaki Hirosawa, Hiroki Tajima, Kyota Miyazaki
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Publication number: 20110279545Abstract: A liquid discharge head includes a liquid discharge substrate having a discharge port array, and a channel member having a mounted face on which the liquid discharge substrate is mounted, channels for supplying liquid to the discharge port array, and a low thermal conductivity portion, wherein the channels includes an opening for flowing liquid, which is provided at a part except for both ends of the discharge port array, a first channel for passing the liquid, and a second channel for passing the liquid in a direction opposite to the liquid flowing direction in the first channel, wherein the opening, the first channel, the low thermal conductivity portion, and the second channel are provided in this order to be vertical to the mounted face, and the opening and the low thermal conductivity portion are provided to be at least partially overlapped one above the other.Type: ApplicationFiled: May 9, 2011Publication date: November 17, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Yasuhiko Osaki, Toshiaki Hirosawa, Hiroki Tajima, Akira Yamamoto, Kyota Miyazaki
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Publication number: 20110279549Abstract: A liquid discharge head includes a recording element substrate including a recording element that generates energy for discharging liquid from a discharge port, a base plate including a mounted surface on which the recording element substrate is mounted, an electric wiring substrate including a portion disposed on another surface of the base plate different from the mounted surface, adjacent to the mounted surface, and configured to be electrically connected to the recording element substrate, and an shield member having electric conductivity and configured to shield the portion.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Kyota Miyazaki, Toshiaki Hirosawa, Hiroki Tajima, Akira Yamamoto
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Publication number: 20110279548Abstract: A liquid discharge head includes a recording element substrate having a plurality of discharge ports for discharging liquid, and a plurality of recording elements for generating energy to discharge liquid, and an electric wiring substrate electrically connecting the recording element substrate and a driving circuit substrate having a circuit for driving the plurality of recording elements, the electric wiring substrate having a plurality of first electrical contact groups including a plurality of electrical contacts, for electrically connecting with the driving circuit substrate, provided along a disposed direction in which the plurality of discharge ports are disposed. The plurality of first electrical contact groups are detachably attached to a plurality of second electrical contact groups electrically connected with the driving circuit substrate, such that adjacent first electrical contact groups do not overlap each other in the disposed direction and in a direction orthogonal to the disposed direction.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Akira Yamamoto, Toshiaki Hirosawa, Hiroki Tajima, Kyota Miyazaki
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Publication number: 20100309258Abstract: An ink jet recording head includes a supporting member, a plurality of recording element substrates secured to the supporting member while being arranged along a lengthwise direction of the supporting member and including a discharge port configured to discharge a droplet and an electrode formed at an end in the lengthwise direction and receives an electric signal that controls the discharge of the droplet from the discharge port, an electric wiring member secured to the supporting member and including a plurality of device holes configured to individually expose the plurality of recording element substrates and an electrode terminal formed in the periphery of the plurality of device holes in the lengthwise direction to transmit the electric signal to the electrode, and a wire configured to connect the electrode and the electrode terminal, and the electric wiring member is at least discontinued between the adjacent device holes in the lengthwise direction.Type: ApplicationFiled: June 3, 2010Publication date: December 9, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Kyota Miyazaki, Shuzo Iwanaga
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Patent number: 7771020Abstract: An ink jet recording head includes a recording element substrate having an array of discharge ports and a side surface extending along an array direction of the discharge ports, and an opposite surface facing the side surface. A minimum distance is provided between the opposite surface and the side surface at least at a center portion of the side surface. Also, a distance greater than the minimum distance is provided between the opposite surface and the side surface at an end portion of the side surface in the array direction.Type: GrantFiled: July 23, 2007Date of Patent: August 10, 2010Assignee: Canon Kabushiki KaishaInventors: Kyota Miyazaki, Toshiaki Hirosawa, Shuzo Iwanaga
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Patent number: 7386250Abstract: A toner supply container is detachably mountable to an image forming apparatus. The container includes a toner accommodating portion to accommodate toner and has a supply opening to supply toner into the image forming apparatus, a feeding member to feed the toner in the toner accommodating portion toward the supply opening, and a sealing member to seal the supply opening. The sealing member has a locking portion to be locked by a locking member provided in a main assembly of the apparatus, and a coupling portion to be coupled with a drive coupling member provided in the main assembly. The sealing member is rotatable integrally with the feeding member by a rotational force received by the coupling portion from the drive coupling member. The locking portion and the coupling portion are spaced apart from each other with respect to a mounting direction of the container.Type: GrantFiled: November 14, 2005Date of Patent: June 10, 2008Assignee: Canon Kabushiki KaishaInventors: Yutaka Ban, Kazuhiko Omata, Kyota Miyazaki, Ayumu Murakami
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Publication number: 20080024542Abstract: An ink jet recording head includes a recording element substrate having an array of discharge ports and a side surface extending along an array direction of the discharge ports, and an opposite surface facing the side surface. A minimum distance is provided between the opposite surface and the side surface at least at a center portion of the side surface. Also, a distance greater than the minimum distance is provided between the opposite surface and the side surface at an end portion of the side surface in the array direction.Type: ApplicationFiled: July 23, 2007Publication date: January 31, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Kyota Miyazaki, Toshiaki Hirosawa, Shuzo Iwanaga
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Publication number: 20070258735Abstract: A toner supply container is detachably mountable to an image forming apparatus. The container includes a toner accommodating portion to accommodate toner and has a supply opening to supply toner into the image forming apparatus, a feeding member to feed the toner in the toner accommodating portion toward the supply opening, and a sealing member to seal the supply opening. The sealing member has a locking portion to be locked by a locking member provided in a main assembly of the apparatus, and a coupling portion to be coupled with a drive coupling member provided in the main assembly. The sealing member is rotatable integrally with the feeding member by a rotational force received by the coupling portion from the drive coupling member. The locking portion and the coupling portion are spaced apart from each other with respect to a mounting direction of the container.Type: ApplicationFiled: November 14, 2005Publication date: November 8, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Yutaka Ban, Kazuhiko Omata, Kyota Miyazaki, Ayumu Murakami
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Patent number: 6978101Abstract: A toner supply container is detachably mountable to an image forming apparatus. The container includes a toner accommodating portion to accommodate toner and has a supply opening to supply toner into the image forming apparatus, a feeding member to feed the toner in the toner accommodating portion toward the supply opening, and a sealing member to seal the supply opening. The sealing member has a locking portion to be locked by a locking member provided in a main assembly of the apparatus, and a coupling portion to be coupled with a drive coupling member provided in the main assembly. The sealing member is rotatable integrally with the feeding member by a rotational force received by the coupling portion from the drive coupling member. The locking portion and the coupling portion are spaced apart from each other with respect to a mounting direction of the container.Type: GrantFiled: March 12, 2004Date of Patent: December 20, 2005Assignee: Canon Kabushiki KaishaInventors: Yutaka Ban, Kazuhiko Omata, Kyota Miyazaki, Ayumu Murakami
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Patent number: 6968139Abstract: A toner supply container is detachably mountable to an image forming apparatus. The container includes a toner accommodating portion to accommodate toner and has a supply opening to supply toner into the image forming apparatus, a feeding member to feed the toner in the toner accommodating portion toward the supply opening, and a sealing member to seal the supply opening. The sealing member has a locking portion to be locked by a locking membered in a main assembly of the apparatus, and a coupling portion to be coupled with a drive coupling member provided in the main assembly. The sealing member is rotatable integrally with the feeding member by a rotational force received by the coupling portion from the drive coupling member. The locking portion and the coupling portion are spaced apart from each other with respect to a mounting direction of the container.Type: GrantFiled: March 27, 2003Date of Patent: November 22, 2005Assignee: Canon Kabushiki KaishaInventors: Yutaka Ban, Kazuhiko Omata, Kyota Miyazaki, Ayumu Murakami
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Patent number: 6910759Abstract: A liquid discharge head cartridge includes a recording element unit having a plate member with liquid supply paths for supplying liquid to a recording element base plate for recording by discharging the liquid; a liquid supply unit portion having a communication passage for conducting liquid from a liquid supply source; and an elastic sealing member that forms a seal between one end portion of the liquid supply paths of the plate member and an end portion of the communication passage facing the one end portion of the liquid supply paths. The elastic sealing member is provided with liquid flow paths communicating with the liquid supply paths and the communication passage. The liquid supply unit portion and the recording element unit are adhesively bonded with each other at locations other than those having the elastic sealing member arranged thereon.Type: GrantFiled: July 10, 2001Date of Patent: June 28, 2005Assignee: Canon Kabushiki KaishaInventors: Shogo Kawamura, Toshiaki Hirosawa, Minoru Nozawa, Kyota Miyazaki, Kenta Udagawa, Shuzo Iwanaga, Kazuhiko Okito
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Patent number: 6896359Abstract: An ink jet recording head has a plurality of discharge energy generating devices for discharging recording liquid; a recording element base plate arranged on the face opposite the surface where the devices are arranged, having a plurality of recording liquid supply ports for supplying recording liquid to the devices; and a supporting member that holds and fixes the recording element base plate. For the supporting member, a plurality of recording liquid supply paths are arranged to supply recording liquid to the supply ports of the recording element base plate, respectively, and the width of the supply paths is formed to be smaller than the opening width of the inlet portions of the supply ports. Further, stepped portions created between the respective supply paths and supply ports are buried by a bonding agent forced out from the bonding face of the recording element base plate and the supporting member.Type: GrantFiled: September 15, 2003Date of Patent: May 24, 2005Assignee: Canon Kabushiki KaishaInventors: Kyota Miyazaki, Toshiaki Hirosawa, Osamu Morita, Osamu Sato, Kenta Udagawa, Shuzo Iwanaga
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Patent number: RE38737Abstract: A toner supply container detachably mountable to a main assembly of an electrophotographic image forming apparatus include (a) a toner accommodating portion for accommodating toner; (b) a toner supply opening for discharging toner accommodated in the toner accommodating portion; (c) a toner feeding member for feeding the toner accommodated in the toner accommodating portion toward the toner supply opening; (d) a sealing member including: a sealing portion for openably sealing the toner supply opening; and a driving portion for driving the toner feeding member.Type: GrantFiled: October 2, 2002Date of Patent: May 24, 2005Assignee: Canon Kabushiki KaishaInventors: Yutaka Ban, Shinichi Onodera, Kazuhiko Omata, Kyota Miyazaki, Ayumu Murakami, Katsuya Murakami