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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Patent number: 11698336Abstract: An analysis method includes: obtaining n×m pieces of map data by repeating, m times, a map measurement in which n pieces of map data are obtained by scanning a specimen with a primary probe to detect electrons emitted from the specimen with an electron spectrometer, while measurement energy ranges of an analyzer are varied; and generating a spectral map in which a position on the specimen is associated with a spectrum based on the n×m pieces of map data, the measurement energy ranges of m times of the map measurement not overlapping each other.Type: GrantFiled: September 29, 2020Date of Patent: July 11, 2023Assignees: JEOL Ltd., National Institute of Advanced Industrial Science and TechnologyInventors: Kenichi Tsutsumi, Akihiro Tanaka, Kazushiro Yokouchi, Tatsuya Uchida, Noboru Taguchi, Shingo Tanaka
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Publication number: 20230204886Abstract: 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: ApplicationFiled: February 3, 2021Publication date: June 29, 2023Applicants: NEC Corporation, NEC Platforms, Ltd.Inventors: Toshihide NAGASAWA, Akihiro TANAKA
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Publication number: 20230176312Abstract: 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. The branch member is fixed to the device main body.Type: ApplicationFiled: February 3, 2021Publication date: June 8, 2023Applicant: NEC CorporationInventors: Akihiro Tanaka, Toshihide Nagasawa
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Publication number: 20230174678Abstract: The present invention relates to microfibrous cellulose capable of exhibiting an excellent dispersibility stability and an excellent coating suitability when added to paint. To this end, the present invention provides fibrous cellulose having a fiber width of 1,000 nm or less and containing an ionic substituent. An amount of the ionic substituent in the fibrous cellulose is 0.10 mmol/g or more and 1.50 mmol/g or less. A polymerization degree of the fibrous cellulose is 150 or more and 515 or less. When the fibrous cellulose is dispersed in a dispersion solvent containing water and isopropanol to obtain a dispersion fluid having a 7:3 mass ratio of water and isopropanol and a viscosity of 2,500 mPa·s at 23° C.Type: ApplicationFiled: April 22, 2021Publication date: June 8, 2023Applicant: OJI HOLDINGS CORPORATIONInventors: Mio YAMANAKA, Takahiro OCHIAI, Akihiro TANAKA
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Patent number: 11653740Abstract: A cosmetic container including a wiper capable of avoiding a pumping phenomenon without deterioration in scraping effect is provided. A wiper fitted to an opening of a cosmetic container includes a plurality of tongue pieces having the same shape disposed evenly in a circumferential direction and extending downward inside the container. Regions of the tongue pieces adjacent to each other partially overlap in the circumferential direction and are joined integrally at the overlapping portion. A length of the tongue pieces in an axial direction gradually decreases from one circumferential side edge portion toward the other side edge portion. In the overlapping portion, a tongue piece side short in the axial direction is disposed inside so as to form a groove between the tongue pieces, extending in the circumferential direction, that allows for air to pass between outside and inside spaces of the wiper.Type: GrantFiled: May 14, 2019Date of Patent: May 23, 2023Assignee: SINWA CORPORATIONInventor: Akihiro Tanaka
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Publication number: 20220375054Abstract: An inspection system for a fabricated object formed by layering powder includes an acquisition unit that acquires an image of a surface of each of layers, an identification unit that identifies a defect portion (protruding portion or recessed portion) on the surface of the powder and a position of the defect portion based on the acquired image, and a determination unit that determines that an abnormality occurs when the defect portion successively occurs at a same position in the plurality of layers.Type: ApplicationFiled: May 18, 2022Publication date: November 24, 2022Inventors: Takahiro TACHIBANA, Akira KONO, Yoshiyuki OTSUBO, Yusuke YAMASHINA, Akihiro TANAKA, Tatsuya KIMURA
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Publication number: 20220324207Abstract: 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: ApplicationFiled: June 4, 2020Publication date: October 13, 2022Inventors: Tatsuya HIRANO, Takaaki MAEDA, Akihiro TANAKA
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Publication number: 20220322810Abstract: A cosmetic container including a wiper capable of avoiding a pumping phenomenon without deterioration in scraping effect is provided. A wiper fitted to an opening of a cosmetic container includes a plurality of tongue pieces having the same shape disposed evenly in a circumferential direction and extending downward inside the container. Regions of the tongue pieces adjacent to each other partially overlap in the circumferential direction and are joined integrally at the overlapping portion. A length of the tongue pieces in an axial direction gradually decreases from one circumferential side edge portion toward the other side edge portion. In the overlapping portion, a tongue piece side short in the axial direction is disposed inside so as to form a groove between the tongue pieces, extending in the circumferential direction, that allows for air to pass between outside and inside spaces of the wiper.Type: ApplicationFiled: May 14, 2019Publication date: October 13, 2022Inventor: Akihiro TANAKA
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Publication number: 20220327806Abstract: It selects learning data that is effective for learning a learning model. An identification information assignment device comprising: a processor; and memory, wherein, using the memory, the processor: acquiring a plurality of image data; selecting a part of the plurality of image data as learning data; assigning identification information to the selected image data by using a learning model which is recorded in the memory; and updating the learning model by using the selected image data to which the identification information is assigned, wherein identification information is assigned to a rest of the plurality of image data by using the updated learning model, the rest of the plurality of image data being different from the selected image data.Type: ApplicationFiled: June 22, 2022Publication date: October 13, 2022Inventors: Tomoaki ITOH, Hidehiko SHIN, Daijiroh ICHIMURA, Atsushi MIYATA, Yoshiyuki OKIMOTO, Akihiro TANAKA, Kaito MIZUSHIMA
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Publication number: 20220262240Abstract: The present disclosure provides a traffic prediction apparatus, system, method and program capable of predicting the number of vehicles and the speed of vehicles in a predetermined time and in a predetermined range based on waterfall data of vehicles. The traffic prediction apparatus comprises acquisition means for acquiring waterfall data comprising a generation position of a vibration, a generation time of the vibration and an amplitude of the vibration generated by a vehicle traveling on a road, pre-processing means for transforming the acquired waterfall data, generation means for training a portion of the plurality of processed waterfall data and at least one corresponding ground truth traffic property used as plurality of labels to generate a trained model, wherein the ground truth may be obtained from a secondary acquisition means, and prediction means for predicting at least one traffic property for a processed waterfall data.Type: ApplicationFiled: July 1, 2019Publication date: August 18, 2022Applicant: NEC CorporationInventors: Chaitanya Prasad NARISETTY, Akihiro TANAKA, Tomoyuki HINO
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Patent number: 11410517Abstract: A fire detection system includes a transmitter including a light source that sends an optical signal and a receiver including a detector that detects the optical signal sent from the light source through a predetermined light propagation section, a signal processing unit that calculates at least one of a first gas concentration, a first smoke concentration, and a first temperature in the light propagation section based on the optical signal, a sensor that acquires at least one of a second gas concentration, a second smoke concentration, and a second temperature in the surroundings, and a determiner that determines whether there is a fire by comparing at least one of the first gas concentration, the first smoke concentration, and the first temperature with at least one of the second gas concentration, the second smoke concentration, and the second temperature in the surroundings.Type: GrantFiled: November 12, 2018Date of Patent: August 9, 2022Assignee: NEC CORPORATIONInventor: Akihiro Tanaka
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Publication number: 20220198103Abstract: A modeling system (control device) includes a control unit that controls a modeling means to form each of stacked modeling layers, based on modeling data representing a three-dimensional model object that is a modeling target by use of a plurality of modeling layers, a determination unit that measures and determines whether or not a measured value of a stacked height of the formed modeling layer is within a predetermined range set beforehand and including a stacked height of the modeling layer in the modeling data, and in a case where the formed modeling layer has a lacking part in which the stacked height is not within the predetermined range, a correction unit that performs correction modeling by forming a correction member in the lacking part such that the stacked height is within the predetermined range.Type: ApplicationFiled: December 21, 2021Publication date: June 23, 2022Inventors: Hiroki MORI, Akihiro TANAKA, Takahiro TACHIBANA, Yasutaka BANNO, Hidenori TAKEDA, Misaki FUKUYAMA
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Patent number: 11357307Abstract: A cosmetic applicator capable of being extended and retracted may comprise a shaft having a twofold structure in which there are an outer cylinder having an inner surface on which a projection is provided and an inner cylinder having an outer surface on which a guide groove that guidingly engages with the projection is provided. The guide groove may have two transverse grooves that extend in a circumferential direction and a second longitudinal groove that extends in an axial direction connecting the two transverse grooves. The guide groove may also have a first longitudinal groove that is provided at a location different in the circumferential direction from that of the second longitudinal groove and that extends in an axial direction, from that transverse groove which of the two transverse grooves is nearer a tip having an applying portion, to the tip, for easy removable attachment of the outer cylinder.Type: GrantFiled: August 21, 2017Date of Patent: June 14, 2022Assignee: SINWA CORPORATIONInventor: Akihiro Tanaka
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Publication number: 20220170766Abstract: According to one example embodiment, an optical fiber sensor includes an optical fiber cable and a device body configured to cause an optical pulse signal to be incident on the optical fiber cable and identify, from intensity change of backscattered light of the incident optical pulse signal and an arrival time of the backscattered light, a prescribed environmental change having occurred in a vicinity of the optical fiber cable and an occurrence location of the environmental change, in which the device body performs correction of a sensing location on the optical fiber cable, based on environmental change information including the identified occurrence location and installation location information of the optical fiber cable.Type: ApplicationFiled: April 16, 2019Publication date: June 2, 2022Applicant: NEC CorporationInventors: Tomoyuki HINO, Akihiro TANAKA, Chaitanya Prasad NARISETTY
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Publication number: 20220155224Abstract: 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: ApplicationFiled: January 27, 2020Publication date: May 19, 2022Applicant: NEC CorporationInventors: Yuma MATSUDA, Akihiro TANAKA
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Publication number: 20220155138Abstract: Provided are a structure deterioration detection system and a structure deterioration detection method capable of detecting deterioration of a structure at low cost. In one example embodiment, 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: ApplicationFiled: March 26, 2019Publication date: May 19, 2022Applicant: NEC CorporationInventors: Akihiro TANAKA, Tomoyuki HINO, Chaitanya Prasad NARISETTY
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Publication number: 20220116699Abstract: 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: ApplicationFiled: October 5, 2021Publication date: April 14, 2022Applicant: HOSIDEN CORPORATIONInventors: Akihiro TANAKA, Ryo INOUE
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Publication number: 20220099570Abstract: 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: ApplicationFiled: January 31, 2019Publication date: March 31, 2022Applicant: NEC CorporationInventors: Yuma MATSUDA, Akihiro TANAKA
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Publication number: 20220085192Abstract: A semiconductor part includes a terminal, a first region, and a second region positioned between the first region and the terminal. A ratio of a surface area of a fourth semiconductor layer to a surface area of a third semiconductor layer in the second region is greater than a ratio of a surface area of the fourth semiconductor layer to a surface area of the third semiconductor layer in the first region.Type: ApplicationFiled: August 24, 2021Publication date: March 17, 2022Inventors: Akihiro TANAKA, Tetsuhiro SAISHO, Toru SHONO, Koji ONISHI
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Patent number: 11276835Abstract: A light emitting device (10) includes a hole injection layer (121), a hole transport layer (122), and a light emitting layer (123). The hole transport layer (122) includes a first organic layer (122a), a second organic layer (122b), and a third organic layer (122c). The first organic layer (122a) is formed on the hole injection layer (121) and includes a first hole transporting material. The second organic layer (122b) is formed on the first organic layer (122a) and includes a second hole transporting material. The third organic layer (122c) is formed on the second organic layer (122b) and includes the second hole transporting material. The second organic layer (122b) is formed by using a coating method, and the third organic layer (122c) is formed by a vapor deposition method.Type: GrantFiled: March 1, 2016Date of Patent: March 15, 2022Assignee: PIONEER CORPORATIONInventor: Akihiro Tanaka