Patents by Inventor Kenichi Tanaka

Kenichi Tanaka 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).

  • Patent number: 11366308
    Abstract: An optical scanner unit includes a mirror component, a vibration generator, an optical sensor, and a light shield portion. The mirror component includes a reflective portion for reflecting light. The vibration generator swings the mirror component around a specific swing axis when AC voltage is applied. The optical sensor includes a light emitter and a light receiver for receiving light emitted from the light emitter. The light shield portion is provided to the mirror component so as to swing along with the mirror component. The light shield portion blocks the light emitted from the light emitter. The light receiver further includes a first light receiver that is provided on one swing angle side from a center position of a swing angle range of the light shield portion, and a second light receiver that is provided on the other swing angle side from the center position of the swing angle range.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: June 21, 2022
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Fuminori Tanaka, Futoshi Takeda, Kenji Tanehashi, Kenichi Fujita
  • Patent number: 11359180
    Abstract: Provided is a method for producing myocardial cells from pluripotent stem cells. The myocardial cell production method provided by the present invention includes supplying an artificially produced synthetic peptide to a cell culture that contains pluripotent stem cells. The synthetic peptide is a peptide that contains a myocardial cell differentiation-inducing peptide sequence that induces pluripotent stem cells into myocardial cells. The myocardial cell differentiation-inducing peptide sequence is an amino acid sequence selected from the group consisting of (i) an amino acid sequence constituting the signal peptide of any protein belonging to the amyloid precursor protein (APP) family, (ii) a partial amino acid sequence of the amino acid sequence according to (i), and (iii) a modified amino acid sequence from the amino acid sequence according to (i) or (ii).
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: June 14, 2022
    Assignees: Toagosei Co., Ltd., Kyoto University
    Inventors: Tetsuhiko Yoshida, Kenichi Tanaka, Nahoko Baileykobayashi, Yoshinori Yoshida
  • Patent number: 11340740
    Abstract: An electronic pen includes a core body including a tip portion having a tip and a tapered side surface tapered toward the tip and having a recessed section recessed toward a tip side of the core body from a side of the core body that is opposite to the tip side of the core body, and including a core rod that passes through a center axis of the recessed section from a side of the tip portion that includes the tip and extends away from the tip; and a tubular casing in which a pen-pressure detector is installed, the core body being attached to the tubular casing in an axially movable manner such that the core rod is pressable against the pen-pressure detector, and the tubular casing having a surface that is adjacent to an inner or outer surface of the recessed section of the core body.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: May 24, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Kohei Tanaka, Kenichi Ninomiya
  • Patent number: 11327421
    Abstract: A recording material cooling device includes a first unit provided with a first endless belt and a cooling member, a second unit provided with a second endless belt and a supporting member but not provided with a cooling member, a holding member and a fixing member. The holding member is fixed to a supporting frame and rotatably holds the supporting member in order to be rotated by a user. The fixing member fixes the supporting member to the holding member at any rotating position by the user.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: May 10, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shingo Katano, Kenichi Tanaka, Keita Kondo
  • Patent number: 11307519
    Abstract: A recording material cooling device includes a belt, a plurality of rollers, a belt cooling member, a recording material feeding member, a deposited matter removing member, a deposited matter receiving container, a roller holding member, and a supporting member for supporting the roller holding member so as to be swingable between a first position where the belt and the recording material feeding member contact each other and a second position where the belt is spaced from the recording material feeding member. The supporting member supports the roller holding member so that a swing center is positioned on one end side with respect to a rotational axis direction of the rollers. The receiving container includes a wall surface portion for preventing overflow of the deposited matter received through an opening of the receiving container when the roller holding member is positioned in the second position.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: April 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenichi Tanaka, Keita Kondo, Yuki Inoue, Shingo Katano
  • Patent number: 11307520
    Abstract: An image forming apparatus includes an image forming unit, first and second rotary members, a cleaning mechanism, and a separating mechanism. The first and second rotary members cooperatively form a nip portion configured to nip and convey a recording material while heating and fixing a toner image onto the recording material. The cleaning mechanism includes a collecting roller. The cleaning mechanism is configured to clean the first rotary member by bringing a cleaning web into contact with the collecting roller that is in contact with the first rotary member and rotates together with the first rotary member. The separating mechanism is configured to separate the cleaning web from the collecting roller when the collecting roller is separated from the first rotary member.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: April 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Youichi Chikugo, Hidekazu Tatezawa, Yutaro Tsuno, Kenichi Tanaka, Rikiya Takemasa
  • Patent number: 11300906
    Abstract: A fixing device for fixing a toner image on a sheet includes a rotatable fixing belt; a heating roller wherein the belt is stretched and entrained around the heating roller to heat the belt; a pressing pad of resin material provided inside of the belt; a rotatable pressing member contacting an outer peripheral surface of the belt and pressing against the pad through the belt to form a nip configured to nip and feed the sheet; a supporting metal stay supporting the pad and including a planar bottom surface faced to the pad; and projected portions integrally molded with the pad and provided along a widthwise direction of the pad, the projected portions projecting and contacting to the bottom surface such that the pad is supported by the stay. A contact area between the projected portions and the bottom surface is not less than 5% and not more than 40% of the area of the bottom surface.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: April 12, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Rikiya Takemasa, Hidekazu Tatezawa, Yutaro Tsuno, Kenichi Tanaka, Youichi Chikugo, Mitsuru Hasegawa, Hiroki Kawai, Suguru Takeuchi, Ayano Ogata, Yasuharu Toratani
  • Patent number: 11294307
    Abstract: A recording material cooling device includes a belt; a cooling member, a first roller, a second roller, an urging member for urging a bearing portion so that the second roller moves toward an inner peripheral surface of the belt, a holding member, for holding the urging member, and a moving member for moving the holding member between a first position for enabling rotation of the belt by stretching said belt by the first roller and the second roller and a second position for facilitating exchange of the belt.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: April 5, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenichi Tanaka, Keita Kondo, Yuki Inoue, Shingo Katano
  • Patent number: 11287766
    Abstract: A fixing unit includes a casing, a heating unit, a second rotary member, a first guide portion, a separation unit, and a separation unit movement mechanism. The separation unit has a separation member and movable relative to the casing between a first position at which the separation unit is positioned when the heating unit is positioned at a position to form a fixing nip portion, and a second position at which the separation unit is positioned when the heating unit is retracted from the position to form the fixing nip portion. The separation unit movement mechanism is configured to move the separation unit from the second position to the first position with the heating unit mounting to the position to form the fixing nip portion.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: March 29, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidekazu Tatezawa, Youichi Chikugo, Rikiya Takemasa, Kenichi Tanaka, Yutaro Tsuno
  • Patent number: 11269272
    Abstract: A fixing device includes a rotatable fixing belt, a pad, a rotatable pressing member, a pressing member driving source, an auxiliary driving roller, and a transmission mechanism for transmitting a driving force from the pressing member driving source to the auxiliary driving roller, wherein a peripheral speed of the auxiliary driving roller is faster than a peripheral speed of the pressing member, and a steering roller provided so as to stretch the fixing belt at the inner surface of the fixing belt in a position downstream of the auxiliary driving roller and upstream the pad with respect to a rotational direction of the fixing belt. The steering roller adjusts a position of the fixing belt with respect to a widthwise direction of the fixing belt by inclining the fixing belt so as to be positioned within a predetermined range.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: March 8, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidekazu Tatezawa, Youichi Chikugo, Rikiya Takemasa, Kenichi Tanaka, Yutaro Tsuno, Mitsuru Hasegawa, Suguru Takeuchi, Hiroki Kawai, Yasuharu Toratani, Ayano Ogata
  • Patent number: 11220032
    Abstract: To manufacture a sprue-bush which is capable of suitably cooling a melt raw resin in a raw resin-flow path as a whole, there is provided a method for manufacturing a sprue-bush, wherein a shaped part is located on a base part to manufacture the sprue-bush, the base part comprising a raw resin-flow path and a cooling medium-flow path, wherein, in the shaped part, a downstream raw resin-flow path portion is located and a downstream cooling medium-flow path portion is also located, the downstream raw resin-flow path portion corresponding to a downstream side region of a raw resin-flow path of the sprue-bush, the downstream cooling medium-flow path portion being positioned around the downstream raw resin-flow path portion and corresponding to a downstream side region of a cooling medium-flow path of the sprue-bush, and wherein the downstream cooling medium-flow path portion is located to surround the downstream raw resin-flow path portion.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: January 11, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shinya Watanabe, Satoshi Abe, Kenichi Tanaka, Mikio Mori, Yoshiyuki Uchinono
  • Publication number: 20210382417
    Abstract: A recording material cooing device includes a first unit provided with a first endless belt and a cooling member, a second unit provided with a second endless belt and a supporting member but not provided with a cooling member, a holding member and a fixing member. The holding member is fixed to a supporting frame and rotatably hold the supporting member in order to be rotated by a use. The fixing member is fixed the first supporting member to the holding member at any rotating position by the user.
    Type: Application
    Filed: May 20, 2021
    Publication date: December 9, 2021
    Inventors: Shingo KATANO, Kenichi TANAKA, Keita KONDO
  • Patent number: 11194275
    Abstract: A toner image fixing device include a fixing belt; a heating roller training the belt around; a pressing pad of resin material provided inside the belt; a rotatable pressing member contacting the belt and pressing against the pad through the belt to form a nip for nipping and feeding the sheet; a supporting stay supporting the pad and including a surface contacting the pad, one of the pad and the stay being provided with a projection, and the other being provided with a recess engaged with the projection at an engaging position; and a separation plate provided without contact to the belt at a position opposed to the pad downstream of the nip in the sheet feeding direction. A distance between the engaging position and a downstream end of the pad is 0-35% of a length of the pad measured along the feeding direction.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: December 7, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Rikiya Takemasa, Youichi Chikugo, Hidekazu Tatezawa, Kenichi Tanaka, Yutaro Tsuno, Mitsuru Hasegawa, Hiroki Kawai, Suguru Takeuchi, Ayano Ogata, Yasuharu Toratani
  • Publication number: 20210373465
    Abstract: A recording material cooling device includes a belt unit including a rotatable endless belt, belt stretching rollers, and a belt cooling member; a rotatable member for forming a nip between itself and the belt in contact with an outer peripheral surface of the belt and for nipping and feeding a recording material in the nip; a rotating unit capable of rotating the belt unit between a contact position where the belt and the rotatable member are in contact with each other so as to form the nip and a separated position where the belt and the rotatable member are in separation from each other so as to release the nip; and a fan unit including a fan for cooling the cooling member by generating airflow passing through the cooling member, the fan unit being rotatable together with the belt unit.
    Type: Application
    Filed: April 21, 2021
    Publication date: December 2, 2021
    Inventors: Keita KONDO, Kenichi TANAKA, Shingo KATANO
  • Publication number: 20210356887
    Abstract: An image forming apparatus includes a fixing device and a cooling device provided on a side downstream of the fixing device with respect to a sheet feeding direction. The cooling device includes a first unit including a first belt and a first roller, a second unit including a second belt for forming a nip in cooperation with the first belt, a heat sink and a second roller, and a driving motor for rotating the first roller and the second roller. The second unit is movable between a contact position where the first belt and the second belt are in contact with each other so as to form the nip and a separated position where the first belt and the second belt are in separation from each other so as to release the nip.
    Type: Application
    Filed: April 13, 2021
    Publication date: November 18, 2021
    Inventors: Kenichi Tanaka, Keita Kondo, Yuki Inoue, Shingo Katano
  • Patent number: 11173641
    Abstract: There is provided a mold including a movable side mold, a fixed side mold and a sprue bush, the sprue bush including a flow path for a cooling fluid of the fixed side mold, wherein inlet and outlet ports of the flow path for the cooling fluid are in a direct connection with a cooling tube, respectively, the cooling tube being located along a space portion provided in the fixed side mold, and wherein the space portion is in a form of an opening provided in at least one of opposed surfaces of the fixed side mold.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: November 16, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Abe, Kenichi Tanaka, Yoshiyuki Uchinono, Isamu Matsumoto, Masataka Takenami
  • Patent number: 11140144
    Abstract: Provided is an IoT data collection system 100 including an agent device 10 configured to acquire IoT data, a management device 20 configured to manage the agent device 10, and a server device 30 configured to receive the IoT data from the agent device 10. The agent device 10 includes a first transmission unit configured to transmit an authentication activation key to the management device 20 at startup. The management device 20 includes a collation unit configured to collate a registered activation key and the authentication activation key, and a transmission unit configured to transmit an authentication agent ID to the agent device 10 when the collation result is matched. The agent device 10 further includes a second transmission unit configured to transmit the IoT data and the authentication agent ID to the server device 30.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: October 5, 2021
    Assignee: Saison Information Systems Co., Ltd.
    Inventors: Yoshihisa Higuchi, Kazuya Nohara, Jun Otake, Tomohiro Harada, Kenichi Tanaka
  • Patent number: 11092917
    Abstract: A fixing unit includes an endless fixing belt, a rotary member configured to form a fixing nip portion, a resin-made pad configured to press an inner circumferential surface of the fixing belt by a peripheral surface toward the fixing nip portion, and a stay configured to support the pad. The stay includes a projection configured to protrude toward the pad. The pad includes a hole formed at a center in the width direction on the opposite surface and configured to fit with the projection.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: August 17, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yutaro Tsuno, Youichi Chikugo, Rikiya Takemasa, Kenichi Tanaka, Hidekazu Tatezawa
  • Publication number: 20210240114
    Abstract: A recording material cooling device includes a belt, a plurality of rollers, a belt cooling member, a recording material feeding member, a deposited matter removing member, a deposited matter receiving container, a roller holding member, and a supporting member for supporting the roller holding member so as to be swingable between a first position where the belt and the recording material feeding member contact each other and a second position where the belt is spaced from the recording material feeding member. The supporting member supports the roller holding member so that a swing center is positioned on one end side with respect to a rotational axis direction of the rollers. The receiving container includes a wall surface portion for preventing overflow of the deposited matter received through an opening of the receiving container when the roller holding member is positioned in the second position.
    Type: Application
    Filed: January 27, 2021
    Publication date: August 5, 2021
    Inventors: Kenichi TANAKA, Keita KONDO, Yuki INOUE, Shingo KATANO
  • Publication number: 20210240113
    Abstract: A recording material cooling device includes a belt; a cooling member, a first roller, a second roller, an urging member for urging a bearing portion so that the second roller moves toward an inner peripheral surface of the belt, a holding member, for holding the urging member, and a moving member for moving the holding member between a first position for enabling rotation of the belt by stretching said belt by the first roller and the second roller and a second position for facilitating exchange of the belt.
    Type: Application
    Filed: January 27, 2021
    Publication date: August 5, 2021
    Inventors: Kenichi TANAKA, Keita KONDO, Yuki INOUE, Shingo KATANO