Patents by Inventor Akihiro Tanaka
Akihiro 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).
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Publication number: 20240138150Abstract: A nonvolatile semiconductor memory device that have a new structure are provided, in which memory cells are laminated in a three dimensional state so that the chip area may be reduced. The nonvolatile semiconductor memory device of the present invention is a nonvolatile semiconductor memory device that has a plurality of the memory strings, in which a plurality of electrically programmable memory cells is connected in series. The memory strings comprise a pillar shaped semiconductor; a first insulation film formed around the pillar shaped semiconductor; a charge storage layer formed around the first insulation film; the second insulation film formed around the charge storage layer; and first or nth electrodes formed around the second insulation film (n is natural number more than 1). The first or nth electrodes of the memory strings and the other first or nth electrodes of the memory strings are respectively the first or nth conductor layers that are spread in a two dimensional state.Type: ApplicationFiled: December 28, 2023Publication date: April 25, 2024Applicant: Kioxia CorporationInventors: Masaru KITO, Hideaki AOCHI, Ryota KATSUMATA, Akihiro NITAYAMA, Masaru KIDOH, Hiroyasu TANAKA, Yoshiaki FUKUZUMI, Yasuyuki MATSUOKA, Mitsuru SATO
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Patent number: 11964446Abstract: A continuous production system continuously produces a product from a raw material powder. The system includes a first processor that performs a first process on the raw material powder, a second processor that performs a second process on the powder on which the first process has been performed by the first processor, and a test chamber through which the powder being sent from the first processor to the second processor passes. A cleaner blows gas from an inlet side opening formed in the inner face of a channel connected to the test chamber from the first processor on the downstream side of an inlet side gate valve for opening and closing the channel toward a direction to form a swirling flow along the inner face of the channel.Type: GrantFiled: December 19, 2019Date of Patent: April 23, 2024Assignee: MITSUBISHI CHEMICAL ENGINEERING CORPORATIONInventors: Akihiro Matsuki, Nobuhiro Tanaka, Katsuhiro Murata, Hironobu Takeda
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Patent number: 11944590Abstract: A continuous manufacturing system continuously manufactures a product from a powder of a raw material. The system includes a first processing device that performs first processing on the powder of the raw material; a second processing device that performs second processing on the powder on which the first processing device has performed the first processing; and an inspection and sorting device including an inspection chamber into which powder sent from the first processing device flows. When a prescribed amount of the powder has accumulated in the inspection chamber, the inspection and sorting device inspects the powder inside the inspection chamber after blocking a path connecting the first processing device to the inspection chamber. When the inspection ends, the inspection and sorting device removes the blocking after discharging the powder from inside the inspection chamber.Type: GrantFiled: February 22, 2018Date of Patent: April 2, 2024Assignee: MITSUBISHI CHEMICAL ENGINEERING CORPORATIONInventors: Akihiro Matsuki, Nobuhiro Tanaka, Katsuhiro Murata, Hironobu Takeda
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Patent number: 11945884Abstract: An object of the present invention is to provide ultrafine fibrous cellulose capable of exhibiting excellent coating suitability when added to paint. The present invention relates to fibrous cellulose having a fiber width of 1,000 nm or less, in which, when the fibrous cellulose is dispersed in water to form a dispersion liquid having a viscosity of 2,500 mPa·s at 23° C., and the dispersion liquid is stirred under predetermined stirring conditions, a viscosity change rate falls within ±50%, calculated by the following formula: viscosity change rate (%)=(viscosity after stirring?viscosity before stirring)/viscosity before stirring×100.Type: GrantFiled: October 16, 2019Date of Patent: April 2, 2024Assignee: OJI HOLDINGS CORPORATIONInventors: Akihiro Tanaka, Hayato Fushimi
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Publication number: 20240097808Abstract: An apparatus, method, and program capable of predicting an attenuation of electromagnetic waves in an upper airspace of a target area in consideration of the influence of long-term weather changes in future are provided. An apparatus for predicting an attenuation of electromagnetic waves between a radio apparatus located above a target area and a terrestrial surface is provided with a data acquisition section for acquiring past weather data in the target area, and an estimation section for estimating a weather corresponding to a future target year in the upper airspace of the target area based on the past weather data, and estimating an attenuation of electromagnetic waves based on an estimation result of the weather.Type: ApplicationFiled: January 28, 2022Publication date: March 21, 2024Applicant: SoftBank Corp.Inventors: Shoma Tanaka, Hideki Omote, Akihiro Sato, Sho Kimura, HoYu Lin
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Publication number: 20240085750Abstract: A display device includes a first substrate, a gate wiring on the first substrate, a first insulating layer on the gate wiring, a source wiring on the first insulating layer and intersecting the gate wiring, a second insulating layer on the source wiring, a pixel electrode on the second insulating layer; and a first buffer layer between the first substrate and the first insulating layer. A refractive index of the first buffer layer is higher than a refractive index of the first substrate, at an interface between the first buffer layer and the first substrate, and the refractive index of the first buffer layer is lower than a refractive index of the first insulating layer, at an interface between the first buffer layer and the first insulating layer.Type: ApplicationFiled: August 11, 2023Publication date: March 14, 2024Applicant: Japan Display Inc.Inventors: Takuo KAITOH, Akihiro HANADA, Yoshinori TANAKA
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Publication number: 20240076425Abstract: To provide a 4-methyl-1-pentene polymer being excellent in storage stability when dissolved in a solvent and solubility, and being excellent in at least one of heat resistance, and a coating appearance when a coating film is stretched, for example, when such a film is bended or used in a flexible application. A 4-methyl-1-pentene polymer (A) being a copolymer of 4-methyl-1-pentene and at least one selected from linear ?-olefins having 6 to 20 carbon atoms, the 4-methyl-1-pentene polymer (A) satisfying the following requirements (I) and (II): (I) an endotherm end temperature (TmE) in a melting (endothermic) curve measured by DSC is 230° C. or lower; and (II) an exotherm start temperature (TcS) in a crystallization (exothermic) curve measured by DSC is 210° C. or lower.Type: ApplicationFiled: February 24, 2022Publication date: March 7, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Akihiro ASANO, Masakazu TANAKA, Toyoaki SASAKI, Yusuke MIZOBUCHI, Takuya IWATA
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Publication number: 20240069396Abstract: According to one embodiment, a display device includes a transparent semiconductor, a first insulating layer, a gate electrode, a second insulating layer, a source electrode, a third insulating layer, a transparent electrode which is in contact with the semiconductor in a second contact hole penetrating the first insulating layer, the second insulating layer and the third insulating layer, a fourth insulating layer, a color filter, and a pixel electrode electrically connected to the transparent electrode. The first insulating layer and the second insulating layer are silicon oxide layers. At least one of the third insulating layer and the fourth insulating layer is a silicon nitride layer.Type: ApplicationFiled: August 29, 2023Publication date: February 29, 2024Applicant: Japan Display Inc.Inventors: Akihiro HANADA, Hitoshi TANAKA
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Publication number: 20240070894Abstract: An object detection device for detecting a position of an object on an imaging plane imaged by a camera, including: a processor to acquire image data generated by the camera and perform coordinate transformation, with respect to a position of the object, from first coordinates associated with an image indicated by the image data to second coordinates associated with the imaging plane; and a memory to store setting information used for the coordinate transformation, wherein the setting information includes a set value indicating a height from the imaging plane for each type among a plurality of types of objects, and the processor acquires a position of the object in the first coordinates and a type of the object based on the image data and calculates a position of the object in the second coordinates by performing the coordinate transformation using the set value corresponding to the type of the object.Type: ApplicationFiled: October 25, 2023Publication date: February 29, 2024Inventors: Akihiro TANAKA, Daijiroh ICHIMURA
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Patent number: 11911918Abstract: A distance-measuring system includes: a first ranging sensor; a second ranging sensor that covers a detection range more limited than a detection range covered by the first ranging sensor and has resolution higher than resolution of the first ranging sensor; and an image processing device. The image processing device includes: a machine detector that detects a position of a mobile machine, based on a first sensed result obtained by the first ranging sensor; a sensor controller that controls a detection position to be detected by the second ranging sensor to detect the position of the mobile machine which has been detected; and a safety determiner that controls the mobile machine, based on a second sensed result obtained by the second ranging sensor.Type: GrantFiled: June 7, 2019Date of Patent: February 27, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasushi Tanaka, Akihiro Arai, Kenji Fujita
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Patent number: 11904578Abstract: Provided is a stretchable film including an elastomer layer, and a surface layer provided on any one or both of a first surface and a second surface of the elastomer layer, in which the surface layer contains one or more polypropylene-based resins selected from the group consisting of block polypropylene, which is a copolymer with ethylene, and random polypropylene, which is a copolymer with ethylene, and calcium carbonate, a content of the calcium carbonate in the surface layer is 10% to 75% by mass with respect to a total mass of the surface layer, a thickness of the elastomer layer is 20 ?m to 55 ?m, and a thickness of the surface layer is 0.4 ?m to 5.0 ?m.Type: GrantFiled: June 4, 2020Date of Patent: February 20, 2024Assignee: C.I. TAKIRON CORPORATIONInventors: Tatsuya Hirano, Takaaki Maeda, Akihiro Tanaka
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Patent number: 11885742Abstract: A receiver comprises: optical signal distributing means for distributing an optical signal transmitted to detect a detection target on a traveling path to two or more paths; a detection unit configured to detect a received light intensity of the optical signal at a first position where the received light intensity increases when the optical axis is shifted and at a second position where the received light intensity decreases; an intensity ratio calculation unit configured to calculate a ratio between the received light intensity at the first position and the second position based on the output of the detection unit; and a determination unit configured to determine whether or not there is an optical axis shift based on a change in the ratio of the received light intensity calculated by the intensity ratio calculation unit.Type: GrantFiled: January 27, 2020Date of Patent: January 30, 2024Assignee: NEC CORPORATIONInventors: Yuma Matsuda, Akihiro Tanaka
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Patent number: 11879772Abstract: A structure deterioration detection system includes an optical fiber cable that is placed along the longitudinal direction of a structure and continuously detects any vibration along the longitudinal direction of the structure, and a signal processing unit including a vibration measurement unit that measures the strength of a detected vibration, a per unit time integration unit that integrates the vibration strength for a specified period of time, an information storage unit that stores the integrated vibration strength, and a deterioration determination unit that makes a determination about whether deterioration of the structure has occurred by comparing the integrated vibration strengths at different times.Type: GrantFiled: March 26, 2019Date of Patent: January 23, 2024Assignee: NEC CORPORATIONInventors: Akihiro Tanaka, Tomoyuki Hino, Chaitanya Prasad Narisetty
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Publication number: 20240008632Abstract: The cosmetic applicator includes an applying portion in which a comb member including comb teeth provided on a lower surface of a semi-cylindrical applicator body open upward, and a brush member including a brush bristle body around a core wire stem, are integrated coaxially. In the applying portion, tip ends of brush bristles of the brush bristle body are flush with and in contact with an inner circumferential surface of the body, a core wire stem front end portion engages with a bearing open downward at a front end side of the body, a core wire stem rear end portion is fixed to a bearing open upward at a rear end side of the body, and accordingly, the brush member is cantilevered on the comb member.Type: ApplicationFiled: September 10, 2020Publication date: January 11, 2024Inventor: Akihiro TANAKA
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Patent number: 11860089Abstract: A detection unit receives an optical signal that has passed through a space to be measured. A spectrum extraction unit extracts a range to be measured from the optical signal received by the detection unit. The spectrum extraction unit extracts an optical signal formed as a gas molecule of a gas to be measured absorbs energy of the optical signal. A determination unit determines the presence of an anomaly in the space to be measured based on a waveform of the optical signal extracted by the spectrum extraction unit.Type: GrantFiled: January 31, 2019Date of Patent: January 2, 2024Assignee: NEC CORPORATIONInventors: Yuma Matsuda, Akihiro Tanaka
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Publication number: 20230367076Abstract: A lens including a lens body and a support. The lens body includes at least one lens portion and at least one holding hole for holding at least one optical fiber. A central axis of the or each holding hole is positioned on a phantom line extending through an optical axis of the or a corresponding lens portion. The support includes a support body fixed to the lens body. With a first portion of the or each optical fiber securely received in the or a corresponding holding hole, a bottom face of the or each holding hole abuts an end face of the first portion of the or a corresponding optical fiber, a peripheral face of the or each holding hole partly abuts an outer peripheral face of the first portion of the or a corresponding optical fiber, and the support body supports a second portion of the or each optical fiber.Type: ApplicationFiled: March 29, 2023Publication date: November 16, 2023Applicant: HOSIDEN CORPORATIONInventors: Akihiro TANAKA, Shuhei TSUBOTA, Kosuke SASADA, Hayato KONDO
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Patent number: 11761891Abstract: A receiver (10) according to the present disclosure includes: a detection unit (11) including a sensor configured to receive a first optical signal of a wavelength included in an absorption band of water molecules and a second optical signal of a wavelength included in an absorption band of carbon dioxide molecules, a signal processing unit (12) configured to calculate a water vapor concentration and a carbon dioxide concentration from changes of intensities of the first and second optical signals, and a determination unit (13) configured to determine whether or not there is a fire that is caused by alcohol combustion based on the water vapor concentration and the carbon dioxide concentration.Type: GrantFiled: June 6, 2019Date of Patent: September 19, 2023Assignee: NEC CORPORATIONInventors: Yuma Matsuda, Akihiro Tanaka
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Patent number: 11762160Abstract: In an aspect of the present disclosure, a submarine device includes a main tail cable connected to a submarine cable, a first branch tail cable including a first group of optical fibers among a plurality of optical fibers included in the main tail cable, a second branch tail cable including a second group of optical fibers among the plurality of optical fibers, a branch member that couples the main tail cable to the first and second branch tail cables and including therein a through hole for branching the plurality of optical fibers included in the main tail cable into the first group and the second group, and a device main body including a first introduction part for introducing the first branch tail cable into the device main body and a second introduction part for introducing the second branch tail cable into the device main body.Type: GrantFiled: February 3, 2021Date of Patent: September 19, 2023Assignees: NEC CORPORATION, NEC Platforms, Ltd.Inventors: Toshihide Nagasawa, Akihiro Tanaka
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Patent number: 11728396Abstract: A semiconductor device includes a semiconductor part including a first surface, a second surface, a first region provided between the first surface and the second surface, and a second region provided between the first surface and the second surface; a common electrode provided at the second surface; a first electrode provided on the first surface at the first region; a second electrode provided on the first surface at the second region and separated from the first electrode; a first control electrode provided in the first region; and a second control electrode provided in the second region. A first trench is provided in the common electrode.Type: GrantFiled: September 9, 2020Date of Patent: August 15, 2023Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventor: Akihiro Tanaka
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Patent number: 11700480Abstract: An ultrasonic speaker comprises a case that has an opened top surface and includes a plurality of protrusions protruding inward on an inner side surface of the case, a piezoelectric element fixed to a bottom surface in the case, and a substrate that is inserted in the case and placed on upper surfaces of the plurality of protrusions.Type: GrantFiled: October 5, 2021Date of Patent: July 11, 2023Assignee: HOSIDEN CORPORATIONInventors: Akihiro Tanaka, Ryo Inoue