Patents by Inventor Hideo Tamura
Hideo Tamura 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: 10889113Abstract: A recording element board has a plurality of heat-generating resistor elements arranged in a row and each of the plurality of heat-generating resistor elements comprises a heat-generating resistor layer and first and second pairs of electrodes connected to the heat-generating resistor layer. The first and second pairs of electrodes contact the heat-generating resistor layer at the opposite surfaces thereof to each other. The first pair of electrodes is formed as vias, while each surface of the second pair of electrodes is inclined so as to gradually reduce the thickness thereof toward the end thereof.Type: GrantFiled: July 8, 2019Date of Patent: January 12, 2021Assignee: Canon Kabushiki KaishaInventors: Ryoji Oohashi, Tsubasa Funabashi, Koichi Omata, Hideo Tamura, Kousuke Kubo, Yohei Osuki
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Patent number: 10739873Abstract: A transmission-type electronic pen that detects a hover state by a position detecting device and achieves power savings is provided. The pen includes a transmission circuit that transmits a signal to a position detecting device and a detector configured to detect a direct act of a user. The pen includes a pressure detector configured to detect whether a pressure is applied to a tip of a core body, and a controller configured to activate and control transmission operation of the transmission circuit based on detection outputs of the detector and the pressure detector. The transmission circuit is controlled in accordance with any of a plurality of transmission operation states including at least a power saving state. When detecting an act of the user, the controller activates and sets the transmission circuit to a first transmission operation state of the plurality of states.Type: GrantFiled: March 5, 2019Date of Patent: August 11, 2020Assignee: Wacom Co., Ltd.Inventor: Hideo Tamura
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Patent number: 10632741Abstract: A print element substrate comprises: a plurality of heaters configured to cause discharge of droplets; a pad array in which a plurality of pads configured to do electrical connection from an outside are arranged; and a plurality of resistance monitor elements configured to measure resistance values of the plurality of heaters, wherein the plurality of resistance monitor elements are arranged along a direction of the pad array.Type: GrantFiled: June 15, 2018Date of Patent: April 28, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Hideo Tamura, Takaaki Yamaguchi, Yohei Osuki
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Publication number: 20200016896Abstract: A recording element board has a plurality of heat-generating resistor elements arranged in a row and each of the plurality of heat-generating resistor elements comprises a heat-generating resistor layer and first and second pairs of electrodes connected to the heat-generating resistor layer. The first and second pairs of electrodes contact the heat-generating resistor layer at the opposite surfaces thereof to each other. The first pair of electrodes is formed as vias, while each surface of the second pair of electrodes is inclined so as to gradually reduce the thickness thereof toward the end thereof.Type: ApplicationFiled: July 8, 2019Publication date: January 16, 2020Inventors: Ryoji Oohashi, Tsubasa Funabashi, Koichi Omata, Hideo Tamura, Kousuke Kubo, Yohei Osuki
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Patent number: 10500851Abstract: A print element substrate, comprises: a heater layer; a wiring layer that is connected to the heater layer and is for causing the heater layer to generate heat; an insulating layer arranged on the wiring layer; an anti-cavitation layer arranged on the insulating layer that is for protecting the insulating layer; and a switch that has a control terminal that is pulled-down to a ground, and causes the anti-cavitation layer and the ground to have an electrical connection when the control terminal is in a high-level state.Type: GrantFiled: August 31, 2017Date of Patent: December 10, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Yohei Osuki, Koichi Omata, Hideo Tamura, Takaaki Yamaguchi, Kousuke Kubo, Ryoji Oohashi, Yuji Tamaru, Toshio Negishi, Suguru Taniguchi
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Publication number: 20190196613Abstract: A transmission-type electronic pen that detects a hover state by a position detecting device and achieves power savings is provided. The pen includes a transmission circuit that transmits a signal to a position detecting device and a detector configured to detect a direct act of a user. The pen includes a pressure detector configured to detect whether a pressure is applied to a tip of a core body, and a controller configured to activate and control transmission operation of the transmission circuit based on detection outputs of the detector and the pressure detector. The transmission circuit is controlled in accordance with any of a plurality of transmission operation states including at least a power saving state. When detecting an act of the user, the controller activates and sets the transmission circuit to a first transmission operation state of the plurality of states.Type: ApplicationFiled: March 5, 2019Publication date: June 27, 2019Inventor: Hideo Tamura
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Patent number: 10254859Abstract: A transmission-type electronic pen that detects a hover state by a position detecting device and achieves power savings is provided. The pen includes a transmission circuit that transmits a signal to a position detecting device and a detector configured to detect a direct act of a user. The pen includes a pressure detector configured to detect whether a pressure is applied to a tip of a core body, and a controller configured to activate and control transmission operation of the transmission circuit based on detection outputs of the detector and the pressure detector. The transmission circuit is controlled in accordance with any of a plurality of transmission operation states including at least a power saving state. When detecting an act of the user, the controller activates and sets the transmission circuit to a first transmission operation state of the plurality of states.Type: GrantFiled: March 1, 2017Date of Patent: April 9, 2019Assignee: Wacom Co., Ltd.Inventor: Hideo Tamura
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Patent number: 10180529Abstract: In one embodiment, an illumination device includes a light-guiding unit having a light output surface which outputs light and a back surface facing the light output surface, wherein the light-guiding unit has a curved surface in a region of the back surface farther than a first position on the back surface that is away by a first distance from an axis passing the light output surface and the back surface, and a rough surface in a region of the light output surface farther than a second position on the light output surface that is away by a second distance from the axis in a same direction as a direction from the axis toward the first position, and where an intersection of the axis and the back surface is an origin point, and a direction of the axis from the back surface to the light output surface is positive, a normal line of the curved surface intersects with the axis at the positive side of the axis, and an angle formed by a normal line vector at the second position in a direction toward the light output sType: GrantFiled: March 12, 2014Date of Patent: January 15, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi Ohno, Yuichiro Yamamoto, Mitsuaki Kato, Tomonao Takamatsu, Masataka Shiratsuchi, Hiromichi Hayashihara, Hideo Tamura, Masahiko Yamamoto
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Publication number: 20190001663Abstract: A print element substrate comprises: a plurality of heaters configured to cause discharge of droplets; a pad array in which a plurality of pads configured to do electrical connection from an outside are arranged; and a plurality of resistance monitor elements configured to measure resistance values of the plurality of heaters, wherein the plurality of resistance monitor elements are arranged along a direction of the pad array.Type: ApplicationFiled: June 15, 2018Publication date: January 3, 2019Inventors: Hideo Tamura, Takaaki Yamaguchi, Yohei Osuki
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Patent number: 9950525Abstract: An element substrate for a liquid ejecting head includes a substrate, an element forming layer on the substrate, and a discharge port forming member formed of an insulating member on the element forming layer. The element forming layer includes an energy generating element configured to provide energy to a liquid for ejection. The discharge port forming member includes a discharge port forming surface having discharge ports through which the liquid is ejected and an exterior side surface positioned between the discharge port forming surface and the element forming layer. The exterior side surface has a first edge facing the element forming layer. The element substrate further includes a conductive layer disposed between the first edge and the element forming layer and grounded.Type: GrantFiled: October 6, 2016Date of Patent: April 24, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Ryoji Oohashi, Koichi Omata, Hideo Tamura, Takaaki Yamaguchi, Kousuke Kubo, Suguru Taniguchi, Yuji Tamaru, Toshio Negishi, Yohei Osuki
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Publication number: 20180104954Abstract: A print element substrate, comprises: a heater layer; a wiring layer that is connected to the heater layer and is for causing the heater layer to generate heat; an insulating layer arranged on the wiring layer; an anti-cavitation layer arranged on the insulating layer that is for protecting the insulating layer; and a switch that has a control terminal that is pulled-down to a ground, and causes the anti-cavitation layer and the ground to have an electrical connection when the control terminal is in a high-level state.Type: ApplicationFiled: August 31, 2017Publication date: April 19, 2018Inventors: Yohei Osuki, Koichi Omata, Hideo Tamura, Takaaki Yamaguchi, Kousuke Kubo, Ryoji Oohashi, Yuji Tamaru, Toshio Negishi, Suguru Taniguchi
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Patent number: 9833992Abstract: A recording-element substrate includes a substrate including a base member, a pair of electrodes, a heating element formed of a thermal resistor layer between the electrodes, a surface on which an electroconductive film coating the heating element has been formed, and an insulating film between the heating element and the electroconductive film and a flow-path-forming member including walls forming a liquid flow path toward the heating element while being disposed on the substrate's surface side. The substrate includes an electric connecting portion in contact with the electroconductive film to connect the electroconductive film with the base member. The shortest distance between the electric connecting portion and a portion where an angle formed by the walls is 120 degrees or smaller when viewed from a direction orthogonal to the surface is smaller than that between a boundary between the electrodes and the heating element and the portion.Type: GrantFiled: December 16, 2016Date of Patent: December 5, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Suguru Taniguchi, Koichi Omata, Hideo Tamura, Takaaki Yamaguchi, Kousuke Kubo, Ryoji Oohashi, Yuji Tamaru, Toshio Negishi, Yohei Osuki
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Publication number: 20170330504Abstract: An image processing apparatus according to an embodiment includes a setting unit that sets an operator including a target pixel in a process target image, a totaling unit that acquires a gradation value of each pixel within the operator, and generates a histogram indicating the number of pixels corresponding to each gradation value from 0 to a natural number N, and a conversion unit that calculates a new gradation value by adding together the number of pixels corresponding to each of the respective gradation values ranging from gradation value 0 to the gradation value of the target pixel, or by subtracting, from gradation value N, the combined number of pixels corresponding to the respective gradation values ranging from the gradation value of the target pixel to gradation value N, and converts the gradation value of the target pixel into the new gradation value.Type: ApplicationFiled: November 28, 2014Publication date: November 16, 2017Applicant: LinkPro Co., Ltd.Inventors: Nobukatsu HARAGUCHI, Hideo TAMURA, Miyuki AIZAWA
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Publication number: 20170173953Abstract: A recording-element substrate includes a substrate including a base member, a pair of electrodes, a heating element formed of a thermal resistor layer between the electrodes, a surface on which an electroconductive film coating the heating element has been formed, and an insulating film between the heating element and the electroconductive film and a flow-path-forming member including walls forming a liquid flow path toward the heating element while being disposed on the substrate's surface side. The substrate includes an electric connecting portion in contact with the electroconductive film to connect the electroconductive film with the base member. The shortest distance between the electric connecting portion and a portion where an angle formed by the walls is 120 degrees or smaller when viewed from a direction orthogonal to the surface is smaller than that between a boundary between the electrodes and the heating element and the portion.Type: ApplicationFiled: December 16, 2016Publication date: June 22, 2017Inventors: Suguru Taniguchi, Koichi Omata, Hideo Tamura, Takaaki Yamaguchi, Kousuke Kubo, Ryoji Oohashi, Yuji Tamaru, Toshio Negishi, Yohei Osuki
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Publication number: 20170177099Abstract: A transmission-type electronic pen that detects a hover state by a position detecting device and achieves power savings is provided. The pen includes a transmission circuit that transmits a signal to a position detecting device and a detector configured to detect a direct act of a user. The pen includes a pressure detector configured to detect whether a pressure is applied to a tip of a core body, and a controller configured to activate and control transmission operation of the transmission circuit based on detection outputs of the detector and the pressure detector. The transmission circuit is controlled in accordance with any of a plurality of transmission operation states including at least a power saving state. When detecting an act of the user, the controller activates and sets the transmission circuit to a first transmission operation state of the plurality of states.Type: ApplicationFiled: March 1, 2017Publication date: June 22, 2017Inventor: Hideo Tamura
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Publication number: 20170100930Abstract: An element substrate for a liquid ejecting head includes a substrate, an element forming layer on the substrate, and a discharge port forming member formed of an insulating member on the element forming layer. The element forming layer includes an energy generating element configured to provide energy to a liquid for ejection. The discharge port forming member includes a discharge port forming surface having discharge ports through which the liquid is ejected and an exterior side surface positioned between the discharge port forming surface and the element forming layer. The exterior side surface has a first edge facing the element forming layer. The element substrate further includes a conductive layer disposed between the first edge and the element forming layer and grounded.Type: ApplicationFiled: October 6, 2016Publication date: April 13, 2017Inventors: Ryoji Oohashi, Koichi Omata, Hideo Tamura, Takaaki Yamaguchi, Kousuke Kubo, Suguru Taniguchi, Yuji Tamaru, Toshio Negishi, Yohei Osuki
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Patent number: 9620669Abstract: According to one embodiment, a semiconductor light emitting device includes a light emitting chip and a fluorescent material layer. The light emitting chip includes a semiconductor layer, a first electrode, a second electrode, an insulating layer, a first interconnect layer, a second interconnect layer, a first metal pillar, a second metal pillar, and a resin layer. The semiconductor layer includes a light emitting layer, a first major surface, and a second major surface formed on a side opposite to the first major surface. The fluorescent material layer is provided on the first major surface and has a larger planer size than the light emitting chip.Type: GrantFiled: October 2, 2014Date of Patent: April 11, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Yoshiaki Sugizaki, Hideki Shibata, Akihiro Kojima, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu
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Patent number: 9478722Abstract: A method for manufacturing a light emitting device includes forming a multilayer body including a light emitting layer so that a first surface thereof is adjacent to a first surface side of a translucent substrate. A dielectric film on a second surface side opposite to the first surface of the multilayer body is formed having first and second openings on a p-side electrode and an n-side electrode. A seed metal on the dielectric film and an exposed surface of the first and second openings form a p-side metal interconnect layer and an n-side metal interconnect layer separating the seed metal into a p-side seed metal and an n-side seed metal by removing a part of the seed metal. A resin is formed in a space from which the seed metal is removed.Type: GrantFiled: October 5, 2015Date of Patent: October 25, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki Sugizaki, Hideki Shibata, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu, Akihiro Kojima
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Publication number: 20160027982Abstract: A method for manufacturing a light emitting device includes forming a multilayer body including a light emitting layer so that a first surface thereof is adjacent to a first surface side of a translucent substrate. A dielectric film on a second surface side opposite to the first surface of the multilayer body is formed having first and second openings on a p-side electrode and an n-side electrode. A seed metal on the dielectric film and an exposed surface of the first and second openings form a p-side metal interconnect layer and an n-side metal interconnect layer separating the seed metal into a p-side seed metal and an n-side seed metal by removing a part of the seed metal. A resin is formed in a space from which the seed metal is removed.Type: ApplicationFiled: October 5, 2015Publication date: January 28, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki SUGIZAKI, Hideki SHIBATA, Masayuki ISHIKAWA, Hideo TAMURA, Tetsuro KOMATSU, Akihiro KOJIMA
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Patent number: 9184357Abstract: A method for manufacturing a light emitting device includes forming a multilayer body including a light emitting layer so that a first surface thereof is adjacent to a first surface side of a translucent substrate. A dielectric film on a second surface side opposite to the first surface of the multilayer body is formed having first and second openings on a p-side electrode and an n-side electrode. A seed metal on the dielectric film and an exposed surface of the first and second openings form a p-side metal interconnect layer and an n-side metal interconnect layer separating the seed metal into a p-side seed metal and an n-side seed metal by removing a part of the seed metal. A resin is formed in a space from which the seed metal is removed.Type: GrantFiled: December 2, 2011Date of Patent: November 10, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki Sugizaki, Hideki Shibata, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu, Akihiro Kojima