Patents by Inventor Takashi Matsuda
Takashi Matsuda 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: 20240126915Abstract: A search execution device receives a trapdoor generated based on a user secret key in which a search auxiliary key and an attribute of a user are set and a search keyword, together with a key identifier (ID) that identifies the search auxiliary key. The search execution device decrypts an encrypted tag in which an attribute of a user who is allowed retrieval and a search word are set, using the received trapdoor and the search auxiliary key indicated by the received key ID, so as to identify a tag that is retrievable for the attribute set in the user secret key and contains a search word corresponding to the search keyword.Type: ApplicationFiled: December 6, 2023Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Takashi ITO, Nori MATSUDA, Tadakazu YAMANAKA, Takato HIRANO, Yoshihiro KOSEKI
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Publication number: 20240117517Abstract: Disclosed is an Fe-based electroplated steel sheet including: a Si-containing cold-rolled steel sheet containing Si in an amount of 0.1 mass % or more and 3.0 mass % or less; and an Fe-based electroplating layer formed on at least one surface of the Si-containing cold-rolled steel sheet with a coating weight per surface of 5.0 g/m2 or more, in which in an intensity profile measured by glow discharge optical emission spectrometry, a peak of emission intensity at wavelengths indicating Si is detected within a range from a surface of the Fe-based electroplating layer to more than 0.2 ?m in a thickness direction and not more than a thickness of the Fe-based electroplating layer, and an average value of C concentration in a region ranging from 10 ?m to 20 ?m in the thickness direction from the surface of the Fe-based electroplating layer is 0.10 mass % or less.Type: ApplicationFiled: November 5, 2021Publication date: April 11, 2024Applicant: JFE STEEL CORPORATIONInventors: Shunsuke YAMAMOTO, Katsutoshi TAKASHIMA, Yusuke OKUMURA, Tomomi KANAZAWA, Katsuya HOSHINO, Takashi KAWANO, Takako YAMASHITA, Hiroshi MATSUDA, Yoichi MAKIMIZU
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Patent number: 11905368Abstract: Provided is a water-repellent member in which a silica layer having a specific thickness and mainly composed of silica nanoparticles is provided on the outer surfaces of various substrates, and then a water- and oil-repellent layer having a specific thickness and containing a cured product of a fluorine-containing organosilicon compound as a main component is provided on the outer surface of the silica layer. The water-repellent member is obtained by a method comprising: a step for wet coating a dispersion containing silica nanoparticles and a solvent onto the outer surface of a substrate; a step for drying and removing the solvent from the dispersion; a step for wet coating a solution containing a fluorine-containing organosilicon compound and a solvent onto the outer surface of a silica layer formed by drying and removing the solvent; and a step for drying and removing the solvent from the solution to cure the fluorine-containing organosilicon compound.Type: GrantFiled: June 12, 2018Date of Patent: February 20, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yuji Yamane, Lisa Katayama, Ryusuke Sakoh, Takashi Matsuda
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Publication number: 20230391221Abstract: A path finder sets a plurality of nodes in a state of charge (SOC) zone that is between a target SOC, which is set when a secondary battery provided in an electric moving body is charged, and a present SOC, and sets a plurality of nodes in a chargeable time period that is between a charging start time and a charging end time. A cost assigner refers to at least one of storage degradation characteristics, charge cycle degradation characteristics, or a time-of-use electricity fee table to assign a cost of a degradation amount or an electricity fee to each path between nodes. The path finder finds the charging path that minimizes a total cost of the paths between the nodes. A charging plan creator creates a charging plan based on the charging path found.Type: ApplicationFiled: October 20, 2021Publication date: December 7, 2023Inventors: TAKASHI MATSUDA, CHANGHUI YANG, TAKASHI IIDA, ATSUYOSHI KITA
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Patent number: 11820912Abstract: This surface treatment agent using a compound represented by formula (1) or (2) can, even without having a hydrolyzable group, form a water repellent and oil repellent layer having excellent abrasion resistance under mild conditions such as at room temperature. [Rf represents a monovalent or divalent fluorooxyalkylene group-containing polymer residue, Y1 and Y2 each represent a single bond or a divalent hydrocarbon group, Q represents a group that has a Si-containing structure having a valence of 2-4, Si, or C, X represents an epoxy-containing group, k represents 0-2, m represents 1-5, n represents 1-3, Z represents H, —SiR3 (R represents an alkyl group or a phenyl group), or —W1-Q?-W2—X? (X? represents X or —SiR3, W1 and W2 each represent a single bond or a divalent hydrocarbon group, Q? represents a divalent group having a Si-containing structure), and ? represents 1 or 2].Type: GrantFiled: April 19, 2018Date of Patent: November 21, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Lisa Katayama, Takashi Matsuda, Yuji Yamane
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Publication number: 20230354983Abstract: A method for preparing a cosmetic kit provides cosmetics which are customized (personalized) for each user and a cosmetic provision device which uses the kit to supply customized cosmetics. The cosmetic kit includes a plurality of cosmetic bases, and is used for customized cosmetics which are prepared by mixing the plurality of cosmetic bases in accordance with recipe information determined on the basis of user unique information. The method provides a cosmetic kit with a container containing at least two cosmetic bases selected from the plurality of cosmetic bases that is rotated at a prescribed speed, and a new-infrared measurement of the bases in the container is performed at prescribed time intervals, the time (T)required to obtain an nth measurement, in which the rate of change between the absorbance in the nth measurement and the absorbance in the previous ((n?1)th)measurement is 100%±5%, and the rate of change with respect to the absorbance in the following ((n+1)th) measurement is 100%±5%.Type: ApplicationFiled: July 9, 2023Publication date: November 9, 2023Applicant: SHISEIDO COMPANY, LTD.Inventors: Takashi MATSUDA, Kinya HOSOKAWA, Chieko NOMIZU, Akane YANAGIHARA, Yuuichi NUKADA
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Publication number: 20230296687Abstract: An information processing method, by a computer, includes: instructing a charger for charging a battery to: repeat a charge control including a set of charging having a first interval and charging suspension having a second interval; and finish the charge control when a charge amount reaches a predetermined amount; and acquiring operational data indicating a voltage and a charge capacity of the battery at an end time of each second interval of the charge control.Type: ApplicationFiled: June 22, 2022Publication date: September 21, 2023Inventors: Tomokazu SADA, Takashi IIDA, Changhui YANG, Takashi MATSUDA
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Publication number: 20230275566Abstract: An acoustic wave device includes a first piezoelectric layer that is a rotated Y-cut lithium tantalate substrate and has a first thickness, a second piezoelectric layer that is a rotated Y-cut lithium niobate substrate, is stacked on the first piezoelectric layer, has a second thickness that is less than the first thickness, and has a spontaneous polarization direction that is substantially opposite to a spontaneous polarization direction of the first piezoelectric layer, a first electrode provided on an opposite surface of the first piezoelectric layer from the second piezoelectric layer, and a second electrode that is provided on an opposite surface of the second piezoelectric layer from the first piezoelectric layer, at least a part of the first piezoelectric layer and at least a part of the second piezoelectric layer being interposed between the first electrode and the second electrode.Type: ApplicationFiled: February 17, 2023Publication date: August 31, 2023Applicant: TAIYO YUDEN CO., LTD.Inventor: Takashi MATSUDA
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Publication number: 20230226942Abstract: A charge control device includes: a first communication section configured to: receive first data from a plurality of mobile vehicles respectively and transmit second data to the mobile vehicles respectively via first connection parts; and receive a third datum from a charger and transmit a fourth datum to the charger via a second connection part; and a control part that generates the fourth datum from the first data, generates the second data for the mobile vehicles respectively from the third datum received from the charger in response to the fourth datum, and causes the first communication section to transmit the fourth datum and the second data, each of the first data, the second data, the third datum, and the fourth datum complying with a charging standard.Type: ApplicationFiled: June 23, 2021Publication date: July 20, 2023Inventors: Changhui YANG, Zhen HUANG, Takashi MATSUDA, Takashi IIDA
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Publication number: 20230220975Abstract: A light source device includes: a light source having an upper surface including a light-emitting surface, the light source including a plurality of light-emitting parts arranged in a two-dimensional array; a lens located above and spaced apart from the light-emitting surface of the light source, wherein the lens includes an optically functional part, and a flange part located along an outer periphery of the optically functional part; and a support part formed of a light-shielding member and configured to support at least the flange part of the lens.Type: ApplicationFiled: March 16, 2023Publication date: July 13, 2023Applicant: NICHIA CORPORATIONInventors: Daizo KIBA, Takashi MATSUDA, Tsuyoshi OKAHISA
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Publication number: 20230134590Abstract: Provided is a server that executes: acquiring at least one deterioration characteristic calculation model of a storage battery based on a test; acquiring operation data on the storage battery after the test; acquiring a degree of deterioration of the storage battery in the operation data; inputting the operation data into the at least one deterioration characteristic calculation model to calculate at least one deterioration coefficient; inputting the operation data into a degree-of-deterioration calculation model for calculating a degree of deterioration of the storage battery to calculate a degree of deterioration using the at least one deterioration coefficient calculated; adjusting the at least one deterioration characteristic calculation model to calculate a degree of deterioration close to the degree of deterioration acquired; calculating at least one deterioration characteristic using the at least one deterioration characteristic calculation model adjusted; and outputting the at least one deteriorationType: ApplicationFiled: December 27, 2022Publication date: May 4, 2023Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takaaki FUKUNISHI, Ryosuke NAGUMO, Ryuji SAKATA, Takashi IIDA, Changhui YANG, Tomokazu SADA, Takashi MATSUDA
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Patent number: 11639783Abstract: A light source device includes: a light source having an upper surface including a light-emitting surface, the light source comprising a plurality of light-emitting parts arranged in a two-dimensional array; a lens located above and spaced apart from the light-emitting surface of the light source, wherein the lens comprises an optically functional part, and a flange part located along an outer periphery of the optically functional part; and a support part formed of a light-shielding material and configured to support at least the flange part of the lens. A surface area of a first surface of the optically functional part is greater than a surface area of a second surface of the optically functional part. The flange part defines at least one first recess in a surface located at a same side as the second surface.Type: GrantFiled: November 8, 2021Date of Patent: May 2, 2023Assignee: NICHIA CORPORATIONInventors: Daizo Kiba, Takashi Matsuda, Tsuyoshi Okahisa
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Patent number: 11624858Abstract: Provided is an antireflective member that has a water- and oil-repellent layer on a multi-layered antireflective layer and is capable of exhibiting excellent surface lubricity, water- and oil-repellent properties, and durability. The surface of the multi-layered antireflective layer on a base material has a root-mean-square surface roughness of 0.8 nm to 2.0 nm. The water- and oil-repellent layer has a thickness of 1 to 30 nm and is a cured product of water- and oil-repellents having as principal components a fluorooxyalkylene group-containing polymer modified organosilicon compound with the numerical average molecular weight of 4,500 to 10,000 of a fluoropolymer part and/or partial hydrolysis condensate thereof.Type: GrantFiled: March 8, 2018Date of Patent: April 11, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yuji Yamane, Lisa Katayama, Ryusuke Sakoh, Takashi Matsuda
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Patent number: 11588343Abstract: A power storage device includes: a cell; and a controller that: causes the cell to discharge from a full charge capacity to a set capacity that is set in advance, and executes a full charge capacity correction mode including a remaining capacity calculation operation and capacity consumption calculation operation. In the remaining capacity calculation operation, the controller: acquires a first voltage of the cell at the set capacity in response to the cell discharging from the full charge capacity to the set capacity, and calculates an actual remaining capacity of the cell based on the first voltage and one of a plurality of correlations between a voltage of the cell and a cell capacity.Type: GrantFiled: July 6, 2020Date of Patent: February 21, 2023Assignee: KANEKA CORPORATIONInventors: Masaru Kawabe, Takashi Matsuda, Yukinari Sato
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Publication number: 20220414581Abstract: Provided is an information processing method executed by a computer, the information processing method including: acquiring a delivery destination of each of packages; acquiring candidates for a stop place for a mobile body that delivers the packages to stop; determining a group to which at least one delivery destination belongs based on a location of each of the delivery destinations; determining a stop place for the group based on a location of the at least one delivery destination belonging to the group and the candidates for the stop place; and outputting the stop place determined.Type: ApplicationFiled: July 27, 2020Publication date: December 29, 2022Inventors: Changhui YANG, Masaharu AMAIKE, Takashi IIDA, Shinya NISHIKAWA, Takashi MATSUDA
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Publication number: 20220381835Abstract: When a use range of an SOC (State Of Charge) of a secondary battery is expanded, the use range of the SOC is expanded by increasing an upper limit value or decreasing a lower limit value of the use range of the SOC. The increasing the upper limit value or decreasing the lower limit value of the use range of the SOC is determined to a side causing a smaller increase in a degradation rate of the secondary battery, based on at least one of a cycle degradation characteristic that defines a cycle degradation rate in accordance with the use range of the SOC and a current rate of the secondary battery and a storage degradation characteristic that defines a storage degradation rate in accordance with the SOC and a temperature of the secondary battery, and a typical use condition of the secondary battery based on a use history of the secondary battery.Type: ApplicationFiled: June 15, 2020Publication date: December 1, 2022Inventors: CHANGHUI YANG, TAKASHI MATSUDA
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Publication number: 20220355675Abstract: An information processing method executed by a computer includes: acquiring an acceleration request for a mobile body that moves using a battery; calculating an output current in the battery based or the acceleration request; calculating a degradation degree of the battery based on the output current; generating an acceleration control instruction in response to the acceleration request in accordance with the degradation degree of the battery; and outputting the generated acceleration control instruction.Type: ApplicationFiled: July 27, 2020Publication date: November 10, 2022Inventors: Masaharu AMAIKE, Changhui YANG, Takashi IIDA, Shinya NISHIKAWA, Takashi MATSUDA
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Patent number: 11469735Abstract: An acoustic wave device includes: a piezoelectric substrate; electrodes sandwiching the piezoelectric substrate and exciting a thickness shear vibration in the piezoelectric substrate; and an edge region that is a region surrounding a center region of a resonance region, wherein a first region of the edge region is located on both sides of the center region in a first direction substantially parallel to a displacement direction of a thickness shear vibration, a second region of the edge region is located on both sides of the center region in a second direction substantially perpendicular to the first direction, a width of the second region is different from a width of the first region, and acoustic velocities of acoustic waves in the piezoelectric substrate in the first and second regions are less than that in the piezoelectric substrate in the center region.Type: GrantFiled: November 19, 2019Date of Patent: October 11, 2022Assignee: TAIYO YUDEN CO., LTD.Inventors: Takashi Matsuda, Yoshio Satoh, Mamoru Ishida
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Publication number: 20220289065Abstract: A charger information holding unit of a management system holds an identification information item and charging efficiencies of a plurality of chargers for charging an electric vehicle, the identification information item and the charging efficiencies being associated with each other. A communication unit of the management system receives an identification information item on a charger from an electric vehicle connected to the charger, via a network. A creating unit of the management system creates a charging plan for the electric vehicle, based on a required charging amount and a target charging termination time. The creating unit of the management system refers to the charger information holding unit and determines a charging efficiency of the charger connected to the electric vehicle, based on the received identification information item, and creates a charging plan with the charging efficiency of the charger.Type: ApplicationFiled: July 21, 2020Publication date: September 15, 2022Inventors: TAKASHI MATSUDA, CHANGHUI YANG
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Patent number: 11437417Abstract: The first photoelectric conversion unit and the second photoelectric conversion unit each include a first semiconductor region of a first conductivity type disposed at a first depth, a second semiconductor region of a second conductivity type disposed at a second depth, a third semiconductor region of the first conductivity type disposed at a third depth, and a fourth semiconductor region of the second conductivity type disposed at a fourth depth. An impurity concentration of the second semiconductor region of the first photoelectric conversion unit and an impurity concentration of the second semiconductor region of the second photoelectric conversion unit are different at the second depth.Type: GrantFiled: April 13, 2020Date of Patent: September 6, 2022Assignee: CANON KABUSHIKI KAISHAInventor: Takashi Matsuda