Patents by Inventor Tomohiro Kosaka
Tomohiro Kosaka 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: 20240036002Abstract: A detector includes a first electrode, second electrodes forming a flow path for charged particles between the first electrode and the second electrodes, third electrodes configured to collect the charged particles, and a fourth electrode having a sheet resistance higher than sheet resistances of the second electrodes. The fourth electrode has one end portion having a first potential in a third direction and another end portion having a second potential lower than the first potential in the third direction, the fifth electrode included in the second electrodes is connected to the fourth electrode, the sixth electrode included in the second electrodes is connected to the fourth electrode, a seventh electrode included in the third electrodes is arranged side by side with the fifth electrode along a first direction, and an eighth electrode included in the third electrodes is arranged side by side with the sixth electrode along the first direction.Type: ApplicationFiled: July 21, 2023Publication date: February 1, 2024Inventors: Manabu DAIO, Tomohiro KOSAKA, Kei IKUTA, Yuuki OOTSUKA, Reshan Maduka ABEYSINGHE
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Publication number: 20240027398Abstract: A detector includes a first electrode, a second electrode facing the first electrode with a space and forming a flow path for charged particles as objects to be detected between the first electrode and the second electrode, a third electrode arranged side by side with the second electrode on a downstream side in the flow path with respect to the second electrode and configured to collect the charged particles, and a potential supply circuit configured to supply a potential to at least one of the first electrode and the second electrode, in which the potential supply circuit includes a first inductor including a first input portion and a first output portion, and a second inductor including a second input portion and a second output portion, the first input portion of the first inductor is connected to a DC power supply, and the second input portion of the second inductor is connected to the first electrode or the second electrode.Type: ApplicationFiled: July 17, 2023Publication date: January 25, 2024Inventors: Kei IKUTA, Tomohiro KOSAKA, Yuuki OOTSUKA, Reshan Maduka ABEYSINGHE
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Publication number: 20230408446Abstract: Provided is an analysis device capable of analyzing a wide range of ion concentrations. The analysis device includes: an ion separating unit selectively conducting a specific kind of ions from among a plurality of kinds of ions flowing through a flow path; a detection electrode provided in the flow path and disposed toward an outlet with respect to the ionization unit; and a deflection electrode positioned across the flow path from the detection electrode, and generating an electric field that moves the specific kind of ions toward the detection electrode. The deflection electrode is capable of adjusting a width of a region in which the electric field is generated in a width direction perpendicular to a direction in which the flow path extends.Type: ApplicationFiled: July 21, 2021Publication date: December 21, 2023Inventors: KAZUYA TSUJINO, TOMOHIRO KOSAKA, TOMOKO TERANISHI
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Publication number: 20230204541Abstract: A detection cell includes a pair of filter electrodes, disposed separated from and opposing each other. One of the pair of filter electrodes includes a first region provided following a flow direction of an object of measurement introduced between the filter electrodes, and a second region that is provided arrayed with the first region regrading an intersecting direction intersecting the flow direction, and that protrudes to a position at which a distance of separation as to another of the pair of filter electrodes is smaller than that of the first region. First and second downstream-side electrodes are respectively disposed on downstream sides of the first and second regions, in the flow direction, and are separated from each other regarding the intersecting direction. First and second opposing electrodes are disposed on the downstream side from the other of the pair of filter electrodes, and oppose the first and second downstream-side electrodes.Type: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Inventors: Tomohiro KOSAKA, Tomoko TERANISHI, Kei IKUTA, Yuuki OOTSUKA, Reshan Maduka ABEYSINGHE
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Patent number: 11551902Abstract: This electron emitting element includes a lower electrode, a surface electrode facing the lower electrode, a resistance layer arranged between the lower electrode and the surface electrode, and an insulating layer arranged between the lower electrode and the surface electrode. The resistance layer is an insulating resin layer containing conductive fine particles in a dispersed state. The insulating layer has a peripheral region for defining the electron emission region, and an emission control region which is arranged so as to overlap the electron emission region defined by the peripheral region. The emission control region is configured by a line-shaped insulating layer, a plurality of dot-shaped insulating layers, or both a line-shaped insulating layer and a plurality of dot-shaped insulating layers. The percentage of an area that the emission control region represents within an area of an electron emission region defined by the peripheral region is 2% or more and 60% or less.Type: GrantFiled: July 5, 2021Date of Patent: January 10, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Kohji Shinkawa, Tadashi Iwamatsu, Tomohiro Kosaka, Kazuya Tsujino, Reshan Maduka Abeysinghe
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Patent number: 11442264Abstract: An electrowetting device includes an electrode substrate including a first substrate, a plurality of first drive electrodes formed on the first substrate, and a water-repellent insulating layer formed on the plurality of first drive electrodes, a counter substrate including a second substrate, and disposed so as to face the electrode substrate with a predetermined gap therebetween, a sealing portion provided in a sealing region at the electrode substrate, and bonding the electrode substrate and the counter substrate, and an injection valve for injecting a droplet into the gap, the injection valve being located in the sealing region and including a first valve body formed of an electric field responsive gel.Type: GrantFiled: March 25, 2020Date of Patent: September 13, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Hao Li, Tomoko Teranishi, Tomohiro Kosaka
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Patent number: 11253856Abstract: Provided is a microfluidic device that, as compared with a conventional microfluidic device, (i) is smoother in surface of a water-repellent layer provided above a segment electrode and (ii) makes it easier for microfluid provided in the surface of the water-repellent layer to slide. A microfluidic device (1) includes: an array substrate (10) including a plurality of electrodes (14); and a counter substrate (40) including at least one electrode (42), the array substrate (10) and the counter substrate (40) having therebetween an internal space (50) in which to cause an electroconductive droplet (51) to move across the plurality of electrodes (14), and the plurality of electrodes (14) being provided on a first flattening resin layer (13) and each being a light-blocking metal electrode.Type: GrantFiled: September 15, 2017Date of Patent: February 22, 2022Assignee: Sharp Life Science (EU) LimitedInventors: Tomohiro Kosaka, Kenichi Kitoh, Takeshi Hara, Shinya Kadono, Fumitoshi Yasuo, Manabu Daio, Tomoko Teranishi, Hao Li
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Publication number: 20220020554Abstract: This electron emitting element includes a lower electrode, a surface electrode facing the lower electrode, a resistance layer arranged between the lower electrode and the surface electrode, and an insulating layer arranged between the lower electrode and the surface electrode. The resistance layer is an insulating resin layer containing conductive fine particles in a dispersed state. The insulating layer has a peripheral region for defining the electron emission region, and an emission control region which is arranged so as to overlap the electron emission region defined by the peripheral region. The emission control region is configured by a line-shaped insulating layer, a plurality of dot-shaped insulating layers, or both a line-shaped insulating layer and a plurality of dot-shaped insulating layers. The percentage of an area that the emission control region represents within an area of an electron emission region defined by the peripheral region is 2% or more and 60% or less.Type: ApplicationFiled: July 5, 2021Publication date: January 20, 2022Inventors: Kohji SHINKAWA, Tadashi IWAMATSU, Tomohiro KOSAKA, Kazuya TSUJINO, Reshan Maduka ABEYSINGHE
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Patent number: 11205555Abstract: An electron emission element of the present invention includes a lower electrode, a surface electrode, and a silicone resin layer disposed between the lower electrode and the surface electrode, wherein the surface electrode includes a silver layer, and the silver layer is in contact with the silicone resin layer.Type: GrantFiled: November 24, 2020Date of Patent: December 21, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Kohji Shinkawa, Tadashi Iwamatsu, Kazuya Tsujino, Reshan Maduka Abeysinghe, Tomohiro Kosaka
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Publication number: 20210356430Abstract: An analyzer includes: a flow path component providing a flow path through which a sample is supplied from an inlet end thereof toward an outlet end thereof; an ionization unit that ionizes the sample flowing in the flow path to produce ions; a pair of voltage application electrodes located opposite each other across the flow path and closer to the outlet end than the ionization unit is located close to the outlet end, an asymmetric-waveform, high-frequency voltage being applied to the ions through the pair of voltage application electrodes; a detection electrode located closer to the outlet end than the pair of voltage application electrodes is located close to the outlet end; a deflection electrode located opposite the detection electrode across the flow path, the deflection electrode generating a DC electric field that moves the ions toward the detection electrode; and a reference electrode located not opposite the deflection electrode.Type: ApplicationFiled: May 12, 2021Publication date: November 18, 2021Inventors: TOMOHIRO KOSAKA, YUUKI OOTSUKA, TOMOKO TERANISHI, KEI IKUTA
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Patent number: 11081790Abstract: A scanning antenna includes a TFT substrate including a plurality of patch electrodes, a slot substrate including a slot electrode, and a liquid crystal layer provided between the TFT substrate and the slot substrate. The slot electrode includes a plurality of slots disposed corresponding to the plurality of patch electrodes and a solid portion not including the plurality of slot. When viewed from a normal direction of the substrate, the patch electrode is disposed across the slot in a first direction and overlaps the solid portion at both ends of the slot in each of a plurality of antenna units, and when viewed from the normal direction of the substrate, at least one of a periphery of the solid portion and a periphery of the patch electrode includes a recessed portion or a protruding portion in at least one antenna unit of the plurality of antenna units.Type: GrantFiled: March 10, 2017Date of Patent: August 3, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Fumitoshi Yasuo, Takeshi Hara, Shinya Kadono, Junichi Inukai, Tomohiro Kosaka
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Publication number: 20210199948Abstract: An electrowetting device of the present disclosure includes: an electrode substrate including a first substrate, a plurality of first electrodes formed above the first substrate, a dielectric layer formed on the first electrodes, and a first hydrophobic layer formed on the dielectric layer; a counter substrate disposed across a predetermined clearance from the electrode substrate, and including a second substrate, a second electrode formed on the second substrate, and a second hydrophobic layer formed on the second electrode; and a seal attaching the electrode substrate and the counter substrate together, and defining the predetermined clearance between the first hydrophobic layer and the second hydrophobic layer.Type: ApplicationFiled: December 23, 2020Publication date: July 1, 2021Inventors: TOMOHIRO KOSAKA, JUXIAN LI, KEI IKUTA
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Publication number: 20210175039Abstract: An electron emission element of the present invention includes a lower electrode, a surface electrode, and a silicone resin layer disposed between the lower electrode and the surface electrode, wherein the surface electrode includes a silver layer, and the silver layer is in contact with the silicone resin layer.Type: ApplicationFiled: November 24, 2020Publication date: June 10, 2021Inventors: KOHJI SHINKAWA, TADASHI IWAMATSU, KAZUYA TSUJINO, RESHAN MADUKA ABEYSINGHE, TOMOHIRO KOSAKA
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Publication number: 20200310106Abstract: An electrowetting device includes an electrode substrate including a first substrate, a plurality of first drive electrodes formed on the first substrate, and a water-repellent insulating layer formed on the plurality of first drive electrodes, a counter substrate including a second substrate, and disposed so as to face the electrode substrate with a predetermined gap therebetween, a sealing portion provided in a sealing region at the electrode substrate, and bonding the electrode substrate and the counter substrate, and an injection valve for injecting a droplet into the gap, the injection valve being located in the sealing region and including a first valve body formed of an electric field responsive gel.Type: ApplicationFiled: March 25, 2020Publication date: October 1, 2020Inventors: HAO LI, TOMOKO TERANISHI, TOMOHIRO KOSAKA
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Publication number: 20200295457Abstract: A scanning antenna includes a TFT substrate including a plurality of patch electrodes, a slot substrate including a slot electrode, and a liquid crystal layer provided between the TFT substrate and the slot substrate. The slot electrode includes a plurality of slots disposed corresponding to the plurality of patch electrodes and a solid portion not including the plurality of slot. When viewed from a normal direction of the substrate, the patch electrode is disposed across the slot in a first direction and overlaps the solid portion at both ends of the slot in each of a plurality of antenna units, and when viewed from the normal direction of the substrate, at least one of a periphery of the solid portion and a periphery of the patch electrode includes a recessed portion or a protruding portion in at least one antenna unit of the plurality of antenna units.Type: ApplicationFiled: March 10, 2017Publication date: September 17, 2020Inventors: FUMITOSHI YASUO, TAKESHI HARA, SHINYA KADONO, JUNICHI INUKAI, TOMOHIRO KOSAKA
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Patent number: 10637141Abstract: A scanning antenna including a transmission and/or reception region including a plurality of antenna units arranged in the transmission and/or reception region and a non-transmission and/or reception region includes a TFT substrate including a plurality of first TFTs supported by a first dielectric substrate and a plurality of patch electrodes, a slot substrate including a slot electrode including a plurality of slots, a liquid crystal layer provided between the TFT substrate and the slot substrate, and a plurality of inspection electrode sections disposed while not overlapping the plurality of antenna units when viewed from a normal direction of the first dielectric substrate.Type: GrantFiled: March 23, 2017Date of Patent: April 28, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Junichi Inukai, Takeshi Hara, Fumitoshi Yasuo, Tomohiro Kosaka, Shinya Kadono
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Patent number: 10529743Abstract: Disclosed is an active matrix substrate that includes a plurality of TFTs. The active matrix substrate 11 includes a substrate 100, TFTs, a light transmission film 204, and a protection film Cap4. The TFTs are provided on the substrate 100 so as to correspond to a plurality of pixels, respectively. The light transmission film 204 is provided between the TFTs and the substrate 100. The protection film Cap4 covers an end surface 204b of the light transmission film 204, the end surface 204b being not parallel with the substrate 100. The TFT includes a gate electrode, a gate insulating film, a semiconductor film, a drain electrode, and a source electrode. The protection film Cap4 is arranged between the light transmission film 204 and the semiconductor film of the TFT.Type: GrantFiled: July 7, 2016Date of Patent: January 7, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Shogo Murashige, Izumi Ishida, Tomohiro Kosaka, Tohru Okabe, Takeshi Hara, Hirohiko Nishiki
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Patent number: 10369570Abstract: An EWOD device includes opposing substrates defining a gap and each including an insulating surface facing the gap. Array elements include electrode elements to which actuation voltages are applied. A pre-charging structure defines a channel in fluid communication with the gap wherein the channel receives an input of a fluid reservoir for generation of the liquid droplet, and the pre-charging structure includes an electrical element electrically exposed to the channel. The electrical element pre-charges the fluid reservoir within the channel, and a portion of the gap containing the liquid droplet spaced apart from the channel is electrically isolated from the electrical element such that the liquid droplet is at a floating electrical potential when located within said portion of the gap. The electrical element may be an electrode portion that is exposed to the channel, or an externally connected pre-charging element inserted into the channel.Type: GrantFiled: July 27, 2017Date of Patent: August 6, 2019Assignees: Sharp Life Science (EU) Limited, Sharp Kabushiki KaishaInventors: Benjamin James Hadwen, Sinéad Matthews, Lesley Anne Parry-Jones, Adam Robinson, Tomohiro Kosaka, Takeshi Hara, Tomoko Teranishi
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Publication number: 20190115660Abstract: A scanning antenna including a transmission and/or reception region including a plurality of antenna units arranged in the transmission and/or reception region and a non-transmission and/or reception region includes a TFT substrate including a plurality of first TFTs supported by a first dielectric substrate and a plurality of patch electrodes, a slot substrate including a slot electrode including a plurality of slots, a liquid crystal layer provided between the TFT substrate and the slot substrate, and a plurality of inspection electrode sections disposed while not overlapping the plurality of antenna units when viewed from a normal direction of the first dielectric substrate.Type: ApplicationFiled: March 23, 2017Publication date: April 18, 2019Inventors: JUNICHI INUKAI, TAKESHI HARA, FUMITOSHI YASUO, TOMOHIRO KOSAKA, SHINYA KADONO
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Publication number: 20190081081Abstract: Disclosed is an active matrix substrate that includes a plurality of TFTs. The active matrix substrate 11 includes a substrate 100, TFTs, a light transmission film 204, and a protection film Cap4. The TFTs are provided on the substrate 100 so as to correspond to a plurality of pixels, respectively. The light transmission film 204 is provided between the TFTs and the substrate 100. The protection film Cap4 covers an end surface 204b of the light transmission film 204, the end surface 204b being not parallel with the substrate 100. The TFT includes a gate electrode, a gate insulating film, a semiconductor film, a drain electrode, and a source electrode. The protection film Cap4 is arranged between the light transmission film 204 and the semiconductor film of the TFT.Type: ApplicationFiled: July 7, 2016Publication date: March 14, 2019Applicant: SHARP KABUSHIKI KAISHAInventors: SHOGO MURASHIGE, IZUMI ISHIDA, TOMOHIRO KOSAKA, TOHRU OKABE, TAKESHI HARA, HIROHIKO NISHIKI