Patents by Inventor Masataka Ikeda
Masataka Ikeda 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: 20210294170Abstract: According to one embodiment, a semiconductor substrate includes a signal line including a first area overlapping a first concave groove portion and a second area not overlapping the first concave groove portion. The signal line includes a first layer and a second layer. A first end portion of the first layer of the first area projects from a side surface of the second layer in a direction parallel to a plane of the first base. The first layer of the first area includes a first portion between the side surface of the second layer and the first end portion. The first portion is in contact with a side surface of the first concave groove portion, and the side surface of the second layer is covered with the first portion in the first concave groove portion.Type: ApplicationFiled: March 17, 2021Publication date: September 23, 2021Applicant: Japan Display Inc.Inventors: Gen KOIDE, Masataka IKEDA
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Publication number: 20210273108Abstract: According to one embodiment, a semiconductor layer includes a base, a scanning line disposed over the base, a signal line disposed over the base, a transistor overlapping the scanning line and the signal line and including a first oxide semiconductor layer connected to the signal line, and second oxide semiconductor layers disposed in a same layer as the first oxide semiconductor layer. The second oxide semiconductor layers are disposed around the transistor, and the second oxide semiconductor layers are floating.Type: ApplicationFiled: February 25, 2021Publication date: September 2, 2021Applicant: Japan Display Inc.Inventors: Hirotaka HAYASHI, Masataka IKEDA
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Publication number: 20210265533Abstract: A display device includes a substrate, a plurality of pixels, a light emitting element, and an inorganic insulating layer. The pixels are provided to the substrate. The light emitting element is provided to each of the pixels. The inorganic insulating layer has translucency and covers at least part of the light emitting element. The inorganic insulating layer includes a side part and an extending part. The side part is provided to the side surface of the light emitting element. The extending part is provided at a side on the lower end of the side part and extending toward the outer side of the light emitting element than the side part in planar view seen from the normal direction of the substrate.Type: ApplicationFiled: May 11, 2021Publication date: August 26, 2021Inventors: Osamu ITOU, Masanobu IKEDA, Masataka IKEDA
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Patent number: 11095201Abstract: A drive device includes a first gate driver circuit that controls operations of the first transistor by outputting a first control signal to a control terminal of the first transistor; a second gate driver circuit that controls operations of the second transistor so that the first transistor and the second transistor are turned on/off in a complementary manner, by outputting a second control signal to the control terminal of the second transistor; and a first charge pump circuit that applies the first negative power supply voltage to the first negative power supply wiring, by generating the first negative power supply voltage having a polarity opposite to that of the first positive power supply voltage with reference to a potential of the output terminal, based on the first control signal.Type: GrantFiled: September 6, 2018Date of Patent: August 17, 2021Assignee: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.Inventor: Masataka Ikeda
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Patent number: 11064617Abstract: A switch device for a vehicle includes: a case member having on one end side thereof an electrical connection part; and an operating member provided on an opposite end side of the case member to face a vehicle compartment. The case member includes, on an upper wall disposed on an upper side in up-down direction when mounting the case member on a vehicle body interior material: a dividing wall extending in width direction of the case member, orthogonal to the up-down direction, along the material; a first rib extending from the dividing wall toward the one end side and dividing the upper wall into a first region going into the connection part and a second region not going thereinto, and a second rib extending in the first region from an intermediate part of the first rib toward the one end side to partition the dividing wall from the connection part.Type: GrantFiled: December 17, 2019Date of Patent: July 13, 2021Assignees: Toyo Denso Co., Ltd., Honda Motor Co., Ltd.Inventors: Daiki Takahara, Kenichiro Miyadera, Masataka Ikeda, Yuichiro Kozuka, Masahiko Shimada, Yohei Ohuchi, Yuichi Nobusawa
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Publication number: 20210191206Abstract: A display device includes a first direction, a plurality of pixels arranged in a second direction intersecting the first direction, at least one scanning signal line connected to the plurality of pixels, a scanning signal line driving circuit connected to the scanning line, the scanning signal line driving circuit includes a switch for outputting a signal to the scanning signal line, a first power supply line for providing a first voltage to the switch, a second power supply line for providing a second voltage smaller than the first voltage to the switch, and the switch is provided between the first power supply line and the second power supply line, a line width of the second power supply line is 4 times the line width of the first power supply line or more and 40 times the line width of the first power supply line or less.Type: ApplicationFiled: December 16, 2020Publication date: June 24, 2021Applicant: Japan Display Inc.Inventors: Masataka IKEDA, Gen KOIDE
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Publication number: 20210075309Abstract: A drive device includes a first gate driver circuit that controls operations of the first transistor by outputting a first control signal to a control terminal of the first transistor; a second gate driver circuit that controls operations of the second transistor so that the first transistor and the second transistor are turned on/off in a complementary manner, by outputting a second control signal to the control terminal of the second transistor; and a first charge pump circuit that applies the first negative power supply voltage to the first negative power supply wiring, by generating the first negative power supply voltage having a polarity opposite to that of the first positive power supply voltage with reference to a potential of the output terminal, based on the first control signal.Type: ApplicationFiled: September 6, 2018Publication date: March 11, 2021Inventor: Masataka Ikeda
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Publication number: 20200275565Abstract: A switch device for a vehicle includes: a case member having on one end side thereof an electrical connection part; and an operating member provided on an opposite end side of the case member to face a vehicle compartment. The case member includes, on an upper wall disposed on an upper side in up-down direction when mounting the case member on a vehicle body interior material: a dividing wall extending in width direction of the case member, orthogonal to the up-down direction, along the material; a first rib extending from the dividing wall toward the one end side and dividing the upper wall into a first region going into the connection part and a second region not going thereinto, and a second rib extending in the first region from an intermediate part of the first rib toward the one end side to partition the dividing wall from the connection part.Type: ApplicationFiled: December 17, 2019Publication date: August 27, 2020Inventors: Daiki TAKAHARA, Kenichiro MIYADERA, Masataka IKEDA, Yuichiro KOZUKA, Masahiko SHIMADA, Yohei OHUCHI, Yuichi NOBUSAWA
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Publication number: 20200251597Abstract: According to one embodiment, a semiconductor substrate includes a first basement, a gate line, a source line, an insulating film, a first pixel electrode, and a first transistor and a second transistor connected parallel at positions between the source line and the first pixel electrode. Each of a first semiconductor layer of the first transistor and a second semiconductor layer of the second transistor includes a first region, a second region, and a channel region. The first semiconductor layer and the second semiconductor layer are in contact with a first surface that is a surface of the insulating film on the source line side. The channel region of each of the first semiconductor layer and the second semiconductor layer wholly overlaps the gate line.Type: ApplicationFiled: February 3, 2020Publication date: August 6, 2020Applicant: Japan Display Inc.Inventors: Masataka IKEDA, Hirotaka HAYASHI, Hitoshi TANAKA
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Publication number: 20200110481Abstract: A touch panel capable of performing display and sensing along a curved surface or a touch panel that maintains high detection sensitivity even when it is curved along a curved surface is provided. A flexible display panel is placed along a curved portion included in a surface of a support. A first film layer is attached along a surface of the display panel by a bonding layer. Second to n-th film layers (n is an integer of 2 or more) are sequentially attached along a surface of the first film layer by bonding layers. A flexible touch sensor is attached along a surface of the n-th film layer by a bonding layer.Type: ApplicationFiled: December 10, 2019Publication date: April 9, 2020Inventors: Daiki NAKAMURA, Masataka IKEDA
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Publication number: 20200035726Abstract: In a CMOS image sensor in which a plurality of pixels is arranged in a matrix, a transistor in which a channel formation region includes an oxide semiconductor is used for each of a charge accumulation control transistor and a reset transistor which are in a pixel portion. After a reset operation of the signal charge accumulation portion is performed in all the pixels arranged in the matrix, a charge accumulation operation by the photodiode is performed in all the pixels, and a read operation of a signal from the pixel is performed per row. Accordingly, an image can be taken without a distortion.Type: ApplicationFiled: October 3, 2019Publication date: January 30, 2020Inventors: Yoshiyuki KUROKAWA, Takayuki IKEDA, Hikaru TAMURA, Munehiro KOZUMA, Masataka IKEDA, Takeshi AOKI
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Patent number: 10535691Abstract: In a CMOS image sensor in which a plurality of pixels is arranged in a matrix, a transistor in which a channel formation region includes an oxide semiconductor is used for each of a charge accumulation control transistor and a reset transistor which are in a pixel portion. After a reset operation of the signal charge accumulation portion is performed in all the pixels arranged in the matrix, a charge accumulation operation by the photodiode is performed in all the pixels, and a read operation of a signal from the pixel is performed per row. Accordingly, an image can be taken without a distortion.Type: GrantFiled: June 9, 2016Date of Patent: January 14, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yoshiyuki Kurokawa, Takayuki Ikeda, Hikaru Tamura, Munehiro Kozuma, Masataka Ikeda, Takeshi Aoki
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Patent number: 10534457Abstract: A touch panel capable of performing display and sensing along a curved surface or a touch panel that maintains high detection sensitivity even when it is curved along a curved surface is provided. A flexible display panel is placed along a curved portion included in a surface of a support. A first film layer is attached along a surface of the display panel by a bonding layer. Second to n-th film layers (n is an integer of 2 or more) are sequentially attached along a surface of the first film layer by bonding layers. A flexible touch sensor is attached along a surface of the n-th film layer by a bonding layer.Type: GrantFiled: May 24, 2018Date of Patent: January 14, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Daiki Nakamura, Masataka Ikeda
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Patent number: 10326290Abstract: A power converting device converts any of DC voltages outputted from at least two DC power supplies and outputs a converted voltage. A control unit of the power converting device determines whether a first contact and a second contact of a switch are melted and joined together based on a detection signal, before a second DC power supply outputs a second DC voltage.Type: GrantFiled: September 4, 2015Date of Patent: June 18, 2019Assignee: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.Inventors: Masataka Ikeda, Seiichi Ando, Kazuo Yamashita
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Patent number: 10111038Abstract: An inter-network connection control device used in an interconnected network includes a connection request signal forward unit that receives, from a call control device in a specific communication network, a connection request signal addressed to another communication network; an address query unit that queries an address resolution device for an address corresponding to a destination telephone number included in the connection request signal received from the connection request signal forward unit, and that obtains the address from the address resolution device; and a forward instruction unit that instructs the call control device to forward the connection request signal to the address obtained by the address query unit.Type: GrantFiled: December 24, 2015Date of Patent: October 23, 2018Assignee: NTT DOCOMO, INC.Inventors: Hiromasa Yamaguchi, Subrata Biswas, Akihide Sasabe, Masataka Ikeda
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Publication number: 20180275785Abstract: A touch panel capable of performing display and sensing along a curved surface or a touch panel that maintains high detection sensitivity even when it is curved along a curved surface is provided. A flexible display panel is placed along a curved portion included in a surface of a support. A first film layer is attached along a surface of the display panel by a bonding layer. Second to n-th film layers (n is an integer of 2 or more) are sequentially attached along a surface of the first film layer by bonding layers. A flexible touch sensor is attached along a surface of the n-th film layer by a bonding layer.Type: ApplicationFiled: May 24, 2018Publication date: September 27, 2018Inventors: Daiki NAKAMURA, Masataka IKEDA
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Publication number: 20180241230Abstract: A power converting device converts any of DC voltages outputted from at least two DC power supplies and outputs a converted voltage. A control unit of the power converting device determines whether a first contact and a second contact of a switch are melted and joined together based on a detection signal, before a second DC power supply outputs a second DC voltage.Type: ApplicationFiled: September 4, 2015Publication date: August 23, 2018Applicant: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.Inventors: Masataka IKEDA, Seiichi ANDO, Kazuo YAMASHITA
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Patent number: 10050871Abstract: A communication system in which a plurality of communication networks are interconnected, the communication system including a plurality of inter-communication network connections that include an inter-communication network connection by a first circuit performing communication by a first protocol and an inter-communication network connection by a second circuit performing communication by a second protocol, including: a route selection apparatus that is provided in a communication network that is connected to another communication network by the first circuit, and that is connected to another communication network by the second circuit; and an address resolution apparatus that can communicate with the route selection apparatus, wherein the route selection apparatus sends an inquiry to the address resolution apparatus about an address corresponding to an incoming number in a connection request signal transmitted from a user apparatus in the communication network so as to determine whether to transmit the connType: GrantFiled: August 26, 2015Date of Patent: August 14, 2018Assignee: NTT DOCOMO, INC.Inventors: Motohiro Abe, Shinichi Minamimoto, Mana Kaneko, Masataka Ikeda, Hiromasa Yamaguchi
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Patent number: 10033549Abstract: An inter-network connection control device that is used for interconnecting a communication network and another communication network includes a request signal forwarding unit that forwards a connection request signal transmitted from originating user equipment in the communication network to the other communication network, and a response signal processor that receives, from the other communication network, a plurality of response signals with respect to the connection request signal, the plurality of response signals being forked in the other communication network receiving the connection request signal and being forwarded to a plurality of terminating user devices, and that forwards one response signal of the plurality of response signals to the originating user equipment.Type: GrantFiled: December 24, 2015Date of Patent: July 24, 2018Assignee: NTT DOCOMO, INC.Inventors: Hiromasa Yamaguchi, Subrata Biswas, Akihide Sasabe, Masataka Ikeda
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Patent number: 9983702Abstract: A touch panel capable of performing display and sensing along a curved surface or a touch panel that maintains high detection sensitivity even when it is curved along a curved surface is provided. A flexible display panel is placed along a curved portion included in a surface of a support. A first film layer is attached along a surface of the display panel by a bonding layer. Second to n-th film layers (n is an integer of 2 or more) are sequentially attached along a surface of the first film layer by bonding layers. A flexible touch sensor is attached along a surface of the n-th film layer by a bonding layer.Type: GrantFiled: November 25, 2014Date of Patent: May 29, 2018Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Daiki Nakamura, Masataka Ikeda