Patents by Inventor Wataru Masuda
Wataru Masuda 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: 11616385Abstract: A vehicle battery system configured to appropriately control a battery installed in a vehicle includes a controller and a rechargeable battery installed in the vehicle in a replaceable manner, charged by an electric power generator, and supplies electric power to auxiliary equipment of the vehicle. The controller determines whether a first battery or a second battery with charging efficiency lower than the first battery is installed in the vehicle as the rechargeable battery and, when determining that the second battery is installed as the rechargeable battery, makes the maximum generated power voltage that is the maximum value of the generated power voltage of the electric power generator higher than when determining that the first battery is installed.Type: GrantFiled: March 3, 2021Date of Patent: March 28, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Takamori Miyabe, Shigeki Kitamura, Eitaro Tametani, Wataru Masuda
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Patent number: 11542900Abstract: A battery temperature adjusting device for a vehicle on which a battery is mounted, the battery being a lithium ion battery disposed near a powertrain unit inside an engine bay, is provided. The device includes a first air duct provided to an intake passage configured to lead intake air to a combustion chamber of an engine, a second air duct provided to the intake passage and provided with an intake opening that opens toward a space between the powertrain unit and the battery, an intake-air-amount adjusting part, and a controller configured to acquire an ambient temperature of the powertrain unit. The controller increases a ratio of the second intake air amount relative to the sum of the first intake air amount and the second intake air amount, when the ambient temperature exceeds a first threshold temperature, compared with when the ambient temperature is below the first threshold temperature.Type: GrantFiled: November 24, 2020Date of Patent: January 3, 2023Assignee: Mazda Motor CorporationInventors: Yusuke Koike, Yusuke Marutani, Toshiki Takahashi, Wataru Masuda, Takafumi Tanehira, Yuma Yamaga
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Publication number: 20220223927Abstract: An object of the present invention is to solve the problem of a decomposed product of cyclic ester that causes cycle deterioration and storage deterioration of a lithium ion secondary battery. As a solution for the problem, the lithium ion secondary battery includes; a positive electrode; a negative electrode using a graphite-based carbon material as a negative electrode active material; an electrolyte in which lithium salt is dissolved in a nonaqueous solvent containing cyclic ester; and either a barrier layer 15 configured to inhibit contact of the cyclic ester with the negative electrode or a capturing material configured to trap a decomposed product of the cyclic ester generated at the negative electrode.Type: ApplicationFiled: May 14, 2020Publication date: July 14, 2022Inventors: Wataru MASUDA, Teruhiko HANAOKA, Toshiki TAKAHASHI, Susumu MINEOI, Hiroyuki SAKAI, Hiroki FUJITA
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Publication number: 20220085377Abstract: A lithium ion secondary battery includes: a positive electrode having a positive electrode active material layer on a surface of a positive electrode collector; a negative electrode a having a negative electrode active material layer on a surface of a negative electrode collector; and a nonaqueous electrolyte. The positive electrode, the negative electrode, and the nonaqueous electrolyte are accommodated in a battery case. The nonaqueous electrolyte contains ?-butyrolactone as a main component of a nonaqueous solvent. A monoalkyl sulfate ion-derived coat is formed on the surface of the positive electrode active material layer. A VC-derived coat is formed on the surface of the negative electrode active material layer.Type: ApplicationFiled: September 9, 2021Publication date: March 17, 2022Inventors: Kei SHIMAMOTO, Takao FUKUNAGA, Hideyuki SUGIYAMA, Wataru MASUDA, Hiroki FUJITA, Munetaka HIGUCHI
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Publication number: 20210313824Abstract: A vehicle battery system configured to appropriately control a battery installed in a vehicle includes a controller and a rechargeable battery installed in the vehicle in a replaceable manner, charged by an electric power generator, and supplies electric power to auxiliary equipment of the vehicle. The controller determines whether a first battery or a second battery with charging efficiency lower than the first battery is installed in the vehicle as the rechargeable battery and, when determining that the second battery is installed as the rechargeable battery, makes the maximum generated power voltage that is the maximum value of the generated power voltage of the electric power generator higher than when determining that the first battery is installed.Type: ApplicationFiled: March 3, 2021Publication date: October 7, 2021Applicant: Mazda Motor CorporationInventors: Takamori MIYABE, Shigeki KITAMURA, Eitaro TAMETANI, Wataru MASUDA
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Publication number: 20210262424Abstract: A battery temperature adjusting device for a vehicle on which a battery is mounted, the battery being a lithium ion battery disposed near a powertrain unit inside an engine bay, is provided. The device includes a first air duct provided to an intake passage configured to lead intake air to a combustion chamber of an engine, a second air duct provided to the intake passage and provided with an intake opening that opens toward a space between the powertrain unit and the battery, an intake-air-amount adjusting part, and a controller configured to acquire an ambient temperature of the powertrain unit. The controller increases a ratio of the second intake air amount relative to the sum of the first intake air amount and the second intake air amount, when the ambient temperature exceeds a first threshold temperature, compared with when the ambient temperature is below the first threshold temperature.Type: ApplicationFiled: November 24, 2020Publication date: August 26, 2021Inventors: Yusuke Koike, Yusuke Marutani, Toshiki Takahashi, Wataru Masuda, Takafumi Tanehira, Yuma Yamaga
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Publication number: 20210202924Abstract: A lithium-ion battery device comprises a housing, a battery cell stored inside the housing, and an adjacent member provided adjacently to and on a rearward side, in a vehicle longitudinal direction, of the battery cell. The battery cell comprises a cell case, an electrode body stored inside the cell case, and a pair of terminals. The cell case includes a first main face and a second main face which face to each other in the vehicle longitudinal direction. At least two gap-forming portions which respectively have a smaller area than the second main face and have a specified thickness of the vehicle longitudinal direction are arranged between the second main face and the adjacent member. The two gap-forming portions are provided to be spaced apart from each other in an inter-terminal direction of the battery cell.Type: ApplicationFiled: September 17, 2020Publication date: July 1, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Wataru MASUDA, Teruhiko HANAOKA, Toshiki TAKAHASHI, Chikara KAWAMURA, Masanori HONDA
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Publication number: 20210083296Abstract: A lithium ion secondary battery includes: a positive electrode having a positive electrode active material layer on a surface of a positive electrode collector; a negative electrode having a negative electrode active material layer on a surface of a negative electrode collector; and a nonaqueous electrolyte. The positive electrode, the negative electrode, and the nonaqueous electrolyte are accommodated in a battery case. The nonaqueous electrolyte contains ?-butyrolactone as a main component of a nonaqueous solvent. A BOB ion-derived coat is formed on the surface of the positive electrode active material layer. A VC-derived coat is formed on the surface of the negative electrode active material layer.Type: ApplicationFiled: September 4, 2020Publication date: March 18, 2021Inventors: Kei SHIMAMOTO, Takao FUKUNAGA, Hideyuki SUGIYAMA, Wataru MASUDA, Hiroki FUJITA, Munetaka HIGUCHI
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Patent number: 10874306Abstract: A soft gripper that surrounds and grips an outer peripheral surface of an object, the soft gripper includes an elongated first actuator and an elongated second actuator, which are deformed in response to supply of a fluid. The first actuator and the second actuator extend from bases of the first and second actuators toward opposite sides each other. When receiving the supply of the fluid, each of the first and second actuators sequentially surrounds the object from the base toward a side of a leading end of the each of the first and second actuators.Type: GrantFiled: May 25, 2018Date of Patent: December 29, 2020Assignees: OMRON HEALTHCARE CO., LTD., UNIVERSITY OF SHIGA PREFECTURE, OMRON CORPORATIONInventors: Yasutaka Nishioka, Wataru Masuda, Masao Shimizu, Tsuyoshi Hamaguchi, Minoru Taniguchi
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Publication number: 20200343581Abstract: An electrolyte to be used in a lithium ion secondary battery that contains a graphite-based carbon material as a negative electrode active material is obtained by dissolving a lithium salt in a nonaqueous solvent. The nonaqueous solvent contains a cyclic carbonate and a cyclic ester. The proportion of the sum of the cyclic carbonate and the cyclic ester in the total amount of the nonaqueous solvent is 85 vol % or more. The proportion of the cyclic carbonate in the sum of the cyclic carbonate and the cyclic ester is 60 vol % or more to 95 vol % or less.Type: ApplicationFiled: January 9, 2019Publication date: October 29, 2020Applicant: MAZDA MOTOR CORPORATIONInventors: Hiroki FUJITA, Hiroyuki SAKAI, Wataru MASUDA
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Publication number: 20180271386Abstract: A soft gripper that surrounds and grips an outer peripheral surface of an object, the soft gripper includes an elongated first actuator and an elongated second actuator, which are deformed in response to supply of a fluid. The first actuator and the second actuator extend from bases of the first and second actuators toward opposite sides each other. When receiving the supply of the fluid, each of the first and second actuators sequentially surrounds the object from the base toward a side of a leading end of the each of the first and second actuators.Type: ApplicationFiled: May 25, 2018Publication date: September 27, 2018Applicants: OMRON HEALTHCARE CO., LTD., THE UNIVERSITY OF SHIGA PREFECTURE, OMRON CORPORATIONInventors: Yasutaka NISHIOKA, Wataru MASUDA, Masao SHIMIZU, Tsuyoshi HAMAGUCHI, Minoru TANIGUCHI
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Patent number: 7664375Abstract: In an information signal editing device, when a user specifies a desired reproduction section or reproduction start position, a management information file recorded in a memory is rewritten into a second management information file which is created on the basis of the specified information, and a second information file is set on the basis of the second management information file. The information signal editing device constructed as described performs arbitrary virtual editing when a DVD-RAM disk is non-rewritable, whereby the user can obtain a desired reproduction signal.Type: GrantFiled: May 27, 2002Date of Patent: February 16, 2010Assignee: Panasonic CorporationInventors: Nobuyuki Ogawa, Shunji Kagamibashi, Atsuo Tsuji, Kiyoshi Tominaga, Wataru Masuda, Yoshimitsu Nakamura, Haruhiko Tada, Hideto Kobayashi
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Publication number: 20030165320Abstract: In an information signal editing device according to the present invention, when a user specifies a desired reproduction section or reproduction start position through a reproduction section specifying means (26) or a reproduction start position specifying means (27), a management information file recorded in a memory (102) is rewritten into a second management information file which is created on the basis of the specified information, and a second information file is set by a management information setting means (100) on the basis of the second management information file.Type: ApplicationFiled: January 24, 2003Publication date: September 4, 2003Inventors: Nobuyuki Ogawa, Shunji Kagamibashi, Atsuo Tsuji, Kiyoshi Tominaga, Wataru Masuda, Haruhiko Tada, Hideto Kobayashi
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Patent number: 6031803Abstract: An optical disk device comprises a power ratio setting circuit for setting ratio of recording power to erasing power in a predetermined ratio, a recording start point detection circuit for detecting a recording start point by performing at least two cycle recording over the same area in a predetermined test region to detect a recording power and an erasing power of the recording start point, and a power setting circuit for setting a final recording power and erasing power for recording in a user region of the optical disk by multiplying the recording power and the erasing power of the recording start point by predetermined values respectively.Type: GrantFiled: November 4, 1998Date of Patent: February 29, 2000Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shinji Kubota, Masatsugu Tanji, Wataru Masuda
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Patent number: 5841747Abstract: An optical disk device comprises a power ratio setting circuit for setting ratio of recording power to erasing power in a predetermined ratio, a recording start point detection circuit for detecting a recording start point by performing at least two cycle recording over the same area in a predetermined test region to detect a recording power and an erasing power of the recording start point, and a power setting circuit for setting a final recording power and erasing power for recording in a user region of the optical disk by multiplying the recording power and the erasing power of the recording start point by predetermined values respectively.Type: GrantFiled: August 21, 1996Date of Patent: November 24, 1998Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shinji Kubota, Masatsugu Tanji, Wataru Masuda
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Patent number: 5633847Abstract: Simultaneous recording on and playback from both sides of a double sided disk is achieved Sector addresses on both sides of the disk are read by respective scanners. One of address is renumbered according to a preset conversion rule which minimizes a time difference between instructions (for recording and playback on both disk sides) to be output to respective modems. Recording and playback operation are controlled according to the renumbered sector address.Type: GrantFiled: July 25, 1995Date of Patent: May 27, 1997Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Wataru Masuda, Shigeo Shimada
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Patent number: 5563855Abstract: An optical recording and reproducing apparatus records the audio and video signals to an optical disk by dividing the audio and video signals for one frame into top and bottom audio and video signal components. The top and bottom audio signal component are recorded to a predetermined track on disk sides A and B referenced to the rotation position detection information preformatted thereon, respectively. A mode set panel produces a mode signal for switching the operating mode. A mode determiner produces the head operation mode signal for determining the operating mode of the optical heads based on the signal. Top and bottom heads record and reproduce audio and video signals to or from the two sides A and B, respectively. Top and bottom vertical synchronization mark generators produce the vertical synchronization marks from the sector of the optical disk preformatted for recording and reproducing audio and video signals. Head actuators drive the pickup.Type: GrantFiled: November 14, 1994Date of Patent: October 8, 1996Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiromi Nakase, Wataru Masuda
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Patent number: 5563859Abstract: A method of simultaneous recording on and playback from both sides of a double sided disk in which sector addresses on both sides are read by scanners, one of them is renumbered according to a conversion rule determined to minimize a time difference between instructions for recording and playback on both sides to be output to modems and recording and playback operation is controlled according to the renumbered sector address.Type: GrantFiled: April 7, 1994Date of Patent: October 8, 1996Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Wataru Masuda, Shigeo Shimada
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Patent number: 5371605Abstract: A method and an apparatus having a memory device for recording a time-varying image in an optical information record medium having an address of a code track corresponding to the image and reproducing the image therefrom, includes the steps of storing data into the memory device of the relationship between the address of the code track and an address of a time code in correspondence with the image, inputting the address of the time code in correspondence with the image to be recorded or reproduced, converting the inputted address of the time code into the address of the code track based on the data stored in the storing step, and accessing to the medium based on the address of the code track obtained by the converting step to record or reproduce the image in correspondence with the inputted address of the time code.Type: GrantFiled: August 12, 1993Date of Patent: December 6, 1994Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Wataru Masuda, Hironori Masuda, Takafumi Sugano
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Patent number: 5249172Abstract: A write laser power setting device for setting a write laser power for writing data on a recording medium, includes first and second oscillators and for producing carrier signals having high frequencies f1 and f2. The carrier signals are added with each other to produce a sum signal which is applied to a laser driver for producing a laser drive signal. The power of the laser drive signal is changed to various levels. Using the laser drive signal, the write/read head writes test signals at preselected areas on the recording medium such that different writing power levels are applied to different preselected areas, respectively. After writing the test signals, the write/read head reads the recorded test signals. From the read signal, an unwanted signal having a frequency f1-f2 is filtered, and the level of the unwanted signal is detected and stored. A minimum level of the stored levels is selected, and a preselected area at which the minimum level reading is obtained is detected.Type: GrantFiled: March 19, 1992Date of Patent: September 28, 1993Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shoji Hagihara, Masatsugu Tanji, Takafumi Sugano, Wataru Masuda, Hironori Masuda, Hideaki Inoue