Patents by Inventor Tomohiro Nakagawa
Tomohiro Nakagawa 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: 20250149808Abstract: Provided is a bonded structure in which conductors of a plurality of wires is ultrasonically bonded together. Conductors (5a) that are relatively difficult to deform are intermixed with conductors (5b) that are relatively easy to deform. In other words, two or more types of the wires made up of conductors of different materials are intermixed. In an axial view of the wires, when an ultrasonic bonding direction is an up-down direction of a conductor joint, and a direction orthogonal to the ultrasonic bonding direction is a width direction of the conductor joint, the conductors (5a, 5b) of different materials are arranged substantially line symmetrical with respect to a center line (A) in the width direction.Type: ApplicationFiled: January 8, 2025Publication date: May 8, 2025Inventors: Toshihiro Nakamura, Tomohiro Nakayama, Takuro Yamada, Ryo Nakagawa
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Publication number: 20250132902Abstract: In response to a request from a first device (100), a management unit (300) transmits a data encryption key to the first device (100) through a secure environment between the management unit (300) and the first device (100) when integrity of a first application running in an isolated calculation area is verified. The first device (100) encrypts target data using the data encryption key and transmits encrypted target data to a second device (200) through the first application. In response to a request from the second device (200), the management unit (300) transmits a data encryption key to the second device (200) through a secure environment between the management unit (300) and the second device (200) when integrity of a second application running in an isolated calculation area is verified. The second device (200) decrypts the encrypted target data using the data encryption key through the second application.Type: ApplicationFiled: November 29, 2022Publication date: April 24, 2025Applicant: NTT DOCOMO, INC.Inventors: Keita HASEGAWA, Kazuma NOZAWA, Takuya DOUMEN, Tomohiro NAKAGAWA, Hiroshi AONO, Masayuki TERADA
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Publication number: 20250109714Abstract: A diagnostic device for an exhaust gas aftertreatment device includes a temperature detection device that detects a filter inlet-side temperature and a filter outlet-side temperature, a differential pressure detection device that detects a differential pressure between a filter inlet-side pressure and a filter outlet-side pressure, an intake air pressure detection device that detects an intake air pressure of an engine, and a controller that determines a malfunction in an exhaust gas aftertreatment device based on values detected by the temperature detection device, the differential pressure detection device, and the intake air pressure detection device.Type: ApplicationFiled: January 24, 2023Publication date: April 3, 2025Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTDInventors: Ryo HAMAMOTO, Tomohiro NAKAGAWA, Kazuomi ENDO, Hiroshi TOGO
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Publication number: 20250101542Abstract: Provided is a non-oriented electrical steel sheet with low high-frequency iron loss without addition of a large amount of alloying elements such as Cr, which causes a decrease in magnetic flux density, and without reduction of the sheet thickness, which causes a decrease in productivity. A non-oriented electrical steel sheet comprises a certain chemical composition containing 0.0005 mass % to 0.0050 mass % of Co, wherein at at least one surface of the non-oriented electrical steel sheet, an amount of N existing as AlN in a range from the surface to a depth of 1/20 of a thickness of the non-oriented electrical steel sheet is 0.003 mass % or less, and the surface has an oxide layer containing one or both of Al and Si and having a thickness of 80 nm to 200 nm.Type: ApplicationFiled: January 20, 2023Publication date: March 27, 2025Applicant: JFE STEEL CORPORATIONInventors: Yoshiaki ZAIZEN, Takeshi NISHIYAMA, Nobuko NAKAGAWA, Tomoyuki OKUBO, Tomohiro AOYAMA
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Publication number: 20250095985Abstract: Film forming method of present disclosure's embodiment is method for forming silicon oxide film on substrate, and includes: (a) preparing substrate having on surface thereof first region where insulating film is exposed and second region where conductive film is exposed; (b) selectively forming inhibiting layer inhibiting silicon oxide film formation on second region; (c) forming silicon oxide film on first region while inhibiting silicon oxide film formation on second region by inhibiting layer; and (d) reforming silicon oxide film formed on first region. (c) includes (c1) supplying metal catalyst gas to surface and adsorbing it to first region; and (c2) supplying silanol-containing gas to surface to react it with metal catalyst gas adsorbed to first region to form silicon oxide film. (d) includes: (d1) exposing surface to plasma formed from hydrogen gas-containing first gas; and (d2) exposing surface to plasma formed from second gas containing inert gas without hydrogen gas.Type: ApplicationFiled: November 29, 2024Publication date: March 20, 2025Inventors: Tomohiro NAKAGAWA, Yumiko KAWANO, Shuji AZUMO
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Publication number: 20250094632Abstract: A privacy-protected data aggregation device (10) includes: an attribute information encryption unit (13) that encrypts attribute information in user data to be aggregated, which includes a plurality of pieces of attribute information, using a homomorphic encryption method enabling aggregation processing; an aggregation processing unit (14) that aggregates user data with encrypted attribute information, for all combinations of possible values of the plurality of pieces of attribute information in domain data that defines possible values of each of the pieces of attribute information included in the user data, to obtain aggregated data including an aggregation result and encrypted attribute information; an anonymization processing unit (15) that performs anonymization processing on the aggregated data; and a decryption unit (16) that decrypts aggregated data subjected to the anonymization processing to obtain aggregated data including an aggregation result after the anonymization processing and decrypted attribType: ApplicationFiled: November 29, 2022Publication date: March 20, 2025Applicant: NTT DOCOMO, INC.Inventors: Kazuma NOZAWA, Keita HASEGAWA, Tomohiro NAKAGAWA, Hiroshi AONO, Masayuki TERADA
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Publication number: 20250095253Abstract: Provided are an image processing apparatus, an image processing method, a program, and a recording medium capable of enhancing a performance effect in a case where two or more display images are displayed. An image processing apparatus according to one embodiment of the present invention that displays two or more display images, in a display aspect including an aspect in which the number of display images in a screen changes, includes a processor, in which the processor is configured to acquire at least one piece of information on an acquisition condition of an image or a feature of the image for a plurality of images, select a plurality of candidate images from among the plurality of images based on the at least one piece of information acquired for the plurality of images, and set a display method of the two or more display images with two or more candidate images satisfying a predetermined condition among the plurality of candidate images as the two or more display images.Type: ApplicationFiled: September 9, 2024Publication date: March 20, 2025Applicant: FUJIFILM CorporationInventors: Tomohiro NAKAGAWA, Yasushi TANAKA
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Patent number: 12231988Abstract: A traffic amount estimation system is a traffic amount estimation system that estimates a traffic amount of people in a predetermined time frame in an area that is an estimation target set in advance, the traffic amount estimation system including: a population information acquiring unit configured to acquire population information representing a population at a predetermined timing in the area that is the estimation target; a movement state information acquiring unit configured to acquire movement state information representing a movement state of each of a plurality of people in the area that is the estimation target; and an estimation unit configured to group the movement state information in accordance with moving directions represented by the movement state information and estimate the traffic amount on the basis of the grouped movement state information and the population information.Type: GrantFiled: April 17, 2020Date of Patent: February 18, 2025Assignee: NTT DOCOMO, INC.Inventors: Takuya Doumen, Tomohiro Nakagawa, Kazuya Sasaki
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Patent number: 12217281Abstract: To provide an information distribution management device configured to analyze distribution in consideration of the number of unique users. An advertisement management device 100 includes a heat map generation unit 101configured to generate a heat map indicating the necessity of advertisement distribution to a designated target layer for each of a plurality of units of digital signage 300 and for each time slot, a reach curve generation unit 103 configured to function as a viewing estimation unit that estimates the viewing frequency of unique users of the target layer for the digital signage 300to which the heat map is applied, and an evaluation unit 104 configured to evaluate the heat map on the basis of the number of viewers who are unique users of the target layer (equivalent to viewing frequency) and the total number of viewers who are all users to whom the heat map is applied (viewing frequency).Type: GrantFiled: September 3, 2021Date of Patent: February 4, 2025Assignee: NTT DOCOMO, INC.Inventors: Tomohiro Nakagawa, Kazuma Nozawa, Kazuya Sasaki
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Publication number: 20240393225Abstract: Provided is a system for accurately calculating the degree of clogging of a filter with reduced amount of required data. The system includes a controller. The controller stores a judgment permission condition including that the flow rate of hydraulic fluid passing through a filter exceeds a predetermined flow rate threshold, and calculates: a judgment-permissible time, which is an integrated value of time in which the judgment permission condition is satisfied; and a judgment target time, which is an integrated value of time in which the judgment permission condition is satisfied and the differential pressure across the filter exceeds a predetermined differential pressure threshold. The controller calculates the degree of clogging of the filter on the basis of a comparison between the judgment permission time and the judgment target time.Type: ApplicationFiled: October 11, 2022Publication date: November 28, 2024Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Kosuke YANAGIBASHI, Kenichi TERAUCHI, Tatsuya TSUCHIHARA, Kazuhiro IWASAKI, Tomohiro NAKAGAWA, Ryo HAMAMOTO
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Publication number: 20240318020Abstract: Provided is a fabric inkjet ink including water, a water-soluble organic solvent, a resin, and a pigment. The water-soluble organic solvent comprises at least one member selected from the group consisting of glycol ethers and glycols having six or more carbon atoms. The resin comprises an acrylic silicone resin and a urethane resin at a mass ratio of from 1:1 to 1:3, and the urethane resin comprises at least one member selected from the group consisting of polyester-based urethane resins and polyether-based urethane resins.Type: ApplicationFiled: March 21, 2024Publication date: September 26, 2024Applicant: Ricoh Company, Ltd.Inventors: Tomohiro Nakagawa, Hiroki Kobayashi, Daiki Hyakutake
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Publication number: 20240309235Abstract: A primer may comprise water, a cationic resin, a polyvalent metal salt, and adiethylene glycol alkyl ether compound. A dry solid film of the primer may have a breaking energy of 20 mJ or more and 1,000 mJ or less and a breaking elongation of 500% or more and 2,500% or less, which are measured by a tensile tester having a tensile speed of 150 mm/min.Type: ApplicationFiled: March 15, 2024Publication date: September 19, 2024Inventors: Mizuki OKAWA, Tomohiro NAKAGAWA, Yuta NAKAMURA, Hikaru ISHII, Daiki HYAKUTAKE
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Patent number: 12047843Abstract: An environment estimation device 1 includes: an information storage unit 11 configured to store base station information in which a serving timing at which a mobile terminal 2 is served in a radio communication range of a base station 3 and environment information indicating an environment of the base station 3 are correlated; an information acquiring unit 10 configured to acquire position information including position data of the mobile terminal 2 acquired by positioning and a positioning timing; and an estimation unit 13 configured to estimate, based on the positioning timing included in the position information of the mobile terminal 2 acquired by the information acquiring unit 10 and the base station information stored in the information storage unit 11, an environment of the mobile terminal 2 at a position indicated by the position data included in the position information.Type: GrantFiled: October 1, 2020Date of Patent: July 23, 2024Assignee: NTT DOCOMO, INC.Inventors: Kazuki Kinjou, Tomohiro Nakagawa, Kazuya Sasaki
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Publication number: 20240220656Abstract: In a privacy protection data association system including devices (10A, 10B) which maintain user data including a user ID and personal information, each device includes: a de-identification processing unit (11) which performs an irreversible conversion process on the user ID and a privacy protection process on the personal information and generates de-identified data corresponding to the user data satisfying target user conditions; an encryption unit (12) which generates double-encrypted de-identified data using a self-encryption key and a partner encryption key in cooperation between its own device and a partner device without disclosing the keys; an aggregation processing unit (13) which compares data generated by the two devices and aggregates the number of data whose user ID parts match each other, as the number of target users; and a disclosure limitation processing unit (14) which generates disclosure limited statistical information by performing a disclosure limitation process for an aggregating resultType: ApplicationFiled: February 22, 2022Publication date: July 4, 2024Applicant: NTT DOCOMO, INC.Inventors: Kazuma NOZAWA, Tomohiro NAKAGAWA, Kazuya SASAKI, Masayuki TERADA
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Patent number: 11895559Abstract: An object is to provide a moving route determination device that makes it possible to accurately determine a user's moving route. A server device 100 includes a geofence evaluation unit 105 configured to store a scoring table for determining a moving route of a user terminal 200, a check-in log acquisition unit 103 configured to acquire at least one of a check-in log which is a history of position management information, such as check-in information, settlement information, or search information, indicating that the user terminal 200 is located in a predetermined range, a settlement log, and a search log as a position management log, and a scoring determination unit 106 configured to determine a moving route of the user terminal 200 on the basis of the position management log and determination information stored in the geofence evaluation unit 105 in a case where a moving means is not able to be determined from at least one of the check-in log, the settlement log, and the search log.Type: GrantFiled: July 23, 2019Date of Patent: February 6, 2024Assignee: NTT DOCOMO, INC.Inventors: Tomohiro Nakagawa, Takuya Doumen, Chao Xue
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Publication number: 20240010844Abstract: A primer is provided that includes water, a cationic resin, a polyvalent metal salt, and a diethylene glycol alkyl ether-based organic solvent.Type: ApplicationFiled: July 6, 2023Publication date: January 11, 2024Applicant: Ricoh Company, Ltd.Inventors: Daiki HASEBE, Yuta Nakamura, Tomohiro Nakagawa, Daiki Hyakutake, Hikaru Ishii
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Publication number: 20240004922Abstract: In an image processing device, an image processing method, a program, and a recording medium, a searching condition is a condition for searching for an image from an image group according to a condition other than an imaging timing, an image designating unit designates, as a designation search image, one search image selected from search images displayed on a display unit according to a command from the user, and an image display unit displays, as time-series images, the designation search image and at least a part of images which are included in the image group and captured earlier and later than an imaging timing of the designation search image in a sequence of time on the display unit according to a command from the user after only the designation search image is displayed on the display unit in a case where the designation search image is designated.Type: ApplicationFiled: September 11, 2023Publication date: January 4, 2024Applicant: FUJIFILM CorporationInventors: Naoya ITO, Tomohiro NAKAGAWA, Yukinori YOKOYAMA
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Publication number: 20230360261Abstract: A posture estimation system for estimating a posture of an object is provided, which includes: a plurality of three-dimensional cameras taking images of the object from different angles; an estimation section estimating, by using two-dimensional images respectively acquired by the plurality of three-dimensional cameras, a position of a predetermined section of the object on the two-dimensional images; a determination section determining reliability of depth information on the position estimated by the estimation section based on a change over time of the depth information; and a calculation section calculating the position of the predetermined section of the object in consideration of a determination result of the determination section.Type: ApplicationFiled: March 18, 2022Publication date: November 9, 2023Applicants: JOHNAN Corporation, tiwaki Co., Ltd.Inventors: Kozo MORIYAMA, Shin KAMEYAMA, Xiang RUAN, Tomohiro NAKAGAWA, Taro WATASUE
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Patent number: 11805393Abstract: An object is to provide a population distribution aggregation calculation device which can calculate a population distribution of high accuracy.Type: GrantFiled: July 16, 2019Date of Patent: October 31, 2023Assignee: NTT DOCOMO, INC.Inventors: Tomohiro Nakagawa, Takuya Doumen, Kazuya Sasaki
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Publication number: 20230342810Abstract: To provide an information distribution management device configured to analyze distribution in consideration of the number of unique users. An advertisement management device 100 includes a heat map generation unit 101 configured to generate a heat map indicating the necessity of advertisement distribution to a designated target layer for each of a plurality of units of digital signage 300 and for each time slot, a reach curve generation unit 103 configured to function as a viewing estimation unit that estimates the viewing frequency of unique users of the target layer for the digital signage 300 to which the heat map is applied, and an evaluation unit 104 configured to evaluate the heat map on the basis of the number of viewers who are unique users of the target layer (equivalent to viewing frequency) and the total number of viewers who are all users to whom the heat map is applied (viewing frequency).Type: ApplicationFiled: September 3, 2021Publication date: October 26, 2023Applicant: NTT DOCOMO, INC.Inventors: Tomohiro NAKAGAWA, Kazuma NOZAWA, Kazuya SASAKI