Patents by Inventor Muramatsu
Muramatsu 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: 20240025909Abstract: An object of the present invention is to provide a composition that gives a cured product excellent in heat resistance and solvent resistance. The present invention provides a compound represented by the general formula (I) below and having at least one reactive group in a molecule. In the formula, A represents a hydrocarbon ring having 6 carbon atoms; X1 and X2 each represent, for example, an aryl group having 6 to 30 carbon atoms and optionally substituted with a reactive group or a group having a reactive group; R1, R2, R3, R4, R6, R7, R8, and R9 each represent, for example, a hydrogen atom, a reactive group, or a hydrocarbon group having 1 to 20 carbon atoms and optionally substituted with a reactive group; and R5 and R10 each represent, for example, a hydrogen atom, or a hydrocarbon group having 1 to 20 carbon atoms and optionally substituted with a reactive group.Type: ApplicationFiled: December 16, 2021Publication date: January 25, 2024Inventors: Hiromasa SAITO, Yousuke MURAMATSU, Mizuki SUZUKI, Masatomi IRISAWA
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Publication number: 20240019094Abstract: A light unit is configured in such a manner that a light guide is placed between a light source and a projection lens, and includes a first exit surface for emitting light for a low-beam light distribution pattern and a second exit surface for emitting light for an additional light distribution pattern that is added to form a high-beam light distribution pattern. The light guide is configured to be provided with a mirror surface portion on a connection surface extending toward the back of the unit from a lower edge of the first exit surface to an upper edge of the second exit surface. As a result, light from a light-emitting element that has been emitted through the second exit surface and reached the connection surface is reflected by the mirror surface portion to be used as the light for forming the additional light distribution pattern.Type: ApplicationFiled: December 2, 2021Publication date: January 18, 2024Inventors: Teppei MURAMATSU, Yuta UGAJIN
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Publication number: 20240019487Abstract: A wafer inspection system is provided. The wafer inspection system includes: a transfer region in which a transfer device is arranged; an inspection region in which test heads for inspecting a substrate are arranged; and a maintenance region in which the test heads are maintained. The inspection region is located between the transfer region and the maintenance region, a plurality of inspection rooms accommodating the test heads are adjacent to each other in the inspection region, and the test heads are configured to be unloaded from the inspection region to the maintenance region.Type: ApplicationFiled: August 9, 2023Publication date: January 18, 2024Inventors: Junichi Hagihara, Shigekazu Komatsu, Kunihiro Furuya, Tadayoshi Hosaka, Naoki Muramatsu
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Publication number: 20240017663Abstract: A vehicular lamp system includes a light distribution control device that controls a first lamp unit and a second lamp unit. The light distribution control device forms a combined high-illuminance pattern in a region where no target is present. Meanwhile, the light distribution control device forms a combined shading pattern in regard to a forward vehicle. Furthermore, in regard to a specific target, the light distribution control device controls the first lamp unit so as to form an illuminance fixed pattern, controls the second lamp unit so as to form an illuminance fixed pattern or to form an illuminance adjusted pattern, and forms a combined mid-illuminance pattern by superposing the light distribution patterns that the first lamp unit and the second lamp unit form.Type: ApplicationFiled: September 27, 2023Publication date: January 18, 2024Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Takao MURAMATSU, Yuta MARUYAMA, Yuichi WATANO
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Publication number: 20240004330Abstract: A fixing belt including a base layer, an elastic layer and a surface layer, wherein the elastic layer has a total thickness of 200 to 3,000 ?m, has a thermal conductivity of 0.4 W/(m·K) or more in a total thickness direction thereof, and contains fillers in a content of 40 to 60 vol % with respect to the total volume of the elastic layer. The fillers in a region A of the elastic layer have a practical sphericity SA of 0.75 or more, and a content ratio of the fillers in the region A is 60 vol % or less with respect to the region A. The fillers in a region B have a practical sphericity SB of less than 0.75, and a content ratio of the fillers in the region B is 40 vol % or more with respect to the region B.Type: ApplicationFiled: June 26, 2023Publication date: January 4, 2024Inventors: NORIAKI KOBAYASHI, HIROKI MURAMATSU
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Patent number: 11862659Abstract: A backside incident-type imaging element includes a semiconductor substrate having a front surface and a back surface on an opposite side from the front surface, a ground potential being applied to the semiconductor substrate, and a semiconductor layer formed on the front surface, in which the semiconductor layer has a first element part that includes a light receiving portion generating a signal charge according to incident light from a side of the back surface and outputs a signal voltage corresponding to the signal charge, and a second element part that includes an analog-digital converter converting the signal voltage output from the first element part into a digital signal.Type: GrantFiled: July 3, 2020Date of Patent: January 2, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Masaharu Muramatsu, Shin-ichiro Takagi, Yasuhito Yoneta
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Patent number: 11860037Abstract: An interferometer movable mirror position measurement apparatus for determining a position of a movable mirror of an interferometer. The interferometer movable mirror position measurement apparatus including: a laser light source; a phase separation optical system configured to make first light and second light separately detected; a signal conversion unit configured to detect the first light and the second light in synchronization with a position of a movable mirror to generate a first sinusoidal wave signal and a second sinusoidal wave signal, respectively; a phase calculation unit configured to perform normalization and phase difference correction on each of the first sinusoidal wave signal and the second sinusoidal wave signal, and then calculate a phase of the first sinusoidal wave signal or the second sinusoidal wave signal at each time point; and a movable mirror position determination unit configured to determine a position of the movable mirror at a predetermined time point.Type: GrantFiled: September 3, 2018Date of Patent: January 2, 2024Assignee: SHIMADZU CORPORATIONInventor: Takashi Muramatsu
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Publication number: 20230419065Abstract: The inkjet printing apparatus is configured to be able to execute a batch adjustment process of performing a plurality of times of adjustment processes related to printing in succession based on one instruction from an outside. The conveyance control unit maintains the conveyance speed at a first speed in a period when a chart printing process is performed and a period when a chart imaging process is performed. The conveyance control unit decreases the conveyance speed from the first speed to the second speed after the end of the chart imaging process in an adjustment process except for an adjustment process that is performed last in the batch adjustment process, and increases the conveyance speed from the second speed to the first speed before the start of the chart printing process in an adjustment process that is performed next.Type: ApplicationFiled: June 7, 2023Publication date: December 28, 2023Inventors: Shigenori ARIZONO, Kohei Ueda, Ryoko Sakurai, Yuya Takagi, Hiroki Endo, Kenichi Yokouchi, Tomotaka Kato, Asuka Muramatsu, Kensuke Usui
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Publication number: 20230415638Abstract: A vehicle lamp system includes an illuminance variable lamp, a lamp-mounted camera, and a lamp control unit. After acquiring position information of a low accuracy region from a vehicle control unit, the lamp control unit acquires illuminance of the low accuracy region by referring to information acquired by the lamp-mounted camera, controls the illuminance variable lamp so as to increase the illuminance of the low accuracy region if the illuminance of the low accuracy region is less than a threshold, and/or controls the illuminance variable lamp so as to decrease the illuminance of the low accuracy region if the illuminance of the low accuracy region is equal to or greater than the threshold.Type: ApplicationFiled: September 7, 2023Publication date: December 28, 2023Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Yuichi WATANO, Takao MURAMATSU
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Publication number: 20230415637Abstract: A light distribution control device controls formation of a light distribution pattern by a light distribution variable lamp. The light distribution control device controls the light distribution variable lamp so as to reduce an illuminance of light that illuminates a non-traveling road when a vehicle reaches a first location a predetermined distance before a forked road, while a normal light distribution pattern is formed that includes, in an illumination range thereof, a side illuminating a traveling road of the vehicle at the forked road and a side illuminating the non-traveling road, and to form a guiding light distribution pattern in which an illuminance of light that illuminates the traveling road is higher than the illuminance of the light that illuminates the non-traveling road.Type: ApplicationFiled: September 7, 2023Publication date: December 28, 2023Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Hirohiko OSHIO, Yuichi WATANO, Koji ISHIHARA, Takashi TERAYAMA, Tatsuma KITAZAWA, Takao MURAMATSU, Shuji MATSUURA
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Publication number: 20230415285Abstract: A spindle device includes: a spindle: a drawbar provided in a through-hole in the spindle; a plurality of balls that clamp or unclamp a pull stud in response to the drawbar moving forward or backward; and a seal member fixed to a wall surface that forms a flow path in the drawbar, so as to come into contact with an inclined surface of the inclined section of the pull stud clamped by the plurality of balls.Type: ApplicationFiled: November 11, 2021Publication date: December 28, 2023Inventor: Toshifumi MURAMATSU
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Patent number: 11855475Abstract: In a charge/discharge control apparatus, a voltage conversion unit performs voltage conversion between a second conductive path and a third conductive path. A first switch switches between an on state where a current is allowed to flow from a first conductive path to the second conductive path and an off state where the current is blocked. A second switch switches between an on state where a current is allowed to flow from the second conductive path to a second power path, and an off state where the current is blocked. An auxiliary charging unit switches between a supply state where power is supplied to a power storage unit via a path different from a path including the voltage conversion unit, based on power supplied via the first conductive path, and a stopped state where the supply of power via the path is stopped.Type: GrantFiled: March 7, 2022Date of Patent: December 26, 2023Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Kyohei Morita, Hiroki Muramatsu
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Publication number: 20230408572Abstract: A state determination device includes an initial waveform storage unit, a waveform acquisition unit, an element temperature acquisition unit, a past waveform storage unit, and a failure state determination unit. The failure state determination unit classifies the time waveform based on the initial time waveform of the gate voltage, the current time waveform of the gate voltage, the element temperature, and the past time waveform of the gate voltage, and determines a fault condition of the IGBT.Type: ApplicationFiled: September 6, 2023Publication date: December 21, 2023Applicant: DENSO CORPORATIONInventors: Junya MURAMATSU, Ryosuke OKACHI, Katsuhiro KUTSUKI, Takashi TOMINAGA, Masataka DEGUCHI
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Publication number: 20230407127Abstract: A coating agent has: a film-forming component containing an organosilicon compound having a radical polymerizable functional group and an alkoxysilyl group; and a film-curing component composed so that a base and a radical can be generated on irradiation with ultraviolet light. The film-curing component includes a nonionic photobase generator having no ionic bond in the molecular structure. The content of the nonionic photobase generator is 0.1 parts by mass or more and 50 parts by mass or less, based on 100 parts by mass of the organosilicon compound.Type: ApplicationFiled: November 12, 2021Publication date: December 21, 2023Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Tokyo University of Science FoundationInventors: Ayano SASAKI, Sayako SATO, Hidenori MUNEKATA, Motoshige ISOBE, Hisashi MURAMATSU, Koji ARIMITSU
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Patent number: 11845168Abstract: A reciprocating tool includes a motor, a driving mechanism, a body housing, a movable part, and a vibration control mechanism. The driving mechanism includes a reciprocating member configured to reciprocate in a first direction. The movable part is connected to the body housing via a first elastic member and a second elastic member to be relatively movable in the first direction. The vibration control mechanism includes at least one weight configured to move in a direction opposite to the reciprocating member. The center of gravity of the at least one weight is offset from the driving axis in a second direction. In the second direction, the first elastic member is closer to the center of gravity than the second elastic member. A load of the first elastic member when the movable part is placed in a closer position is smaller than a load of the second elastic member.Type: GrantFiled: October 20, 2020Date of Patent: December 19, 2023Assignee: MAKITA CORPORATIONInventors: Hideki Tsuji, Hajime Takeuchi, Kei Watanabe, Kazuo Muramatsu, Masahiro Maegawa
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Patent number: 11839929Abstract: A dissimilar metal welding method includes a preparing step and a working step. In the preparing step, a pin member is moved to a second metal material while being rotated, and a tool body is driven such that the tool body is moved in a direction away from the second metal material while being rotated. In the working step, a through-hole is formed in the second metal material by the pin member, and then a distal end of the pin member is dug into the first metal material to a predetermined depth position in the first metal material.Type: GrantFiled: February 5, 2020Date of Patent: December 12, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Takao Sekiguchi, Yoshitaka Muramatsu, Takuya Fukuda
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Patent number: 11840252Abstract: A dialog confirmation unit in a vehicle communication device calculates the deceleration of a vehicle on the basis of vehicle speeds, when the vehicle speed at an operation start time and the vehicle speed at a time when a certain time has elapsed since the operation start time have been obtained by a vehicle information acquisition unit. Next, the dialog confirmation unit calculates a change in distance on the basis of distances when a distance information acquisition unit has obtained the distance between the vehicle and an object in front at the operation start time and the distance at the time when a certain time has elapsed since the operation start time. Next, the dialog confirmation unit selects a dialog that corresponds to the deceleration and the change in distance, from among a plurality of dialogs.Type: GrantFiled: December 25, 2019Date of Patent: December 12, 2023Assignees: Honda Motor Co., Ltd., Dwango Co., Ltd.Inventors: Daisuke Muramatsu, Koji Hashimoto, Takafumi Inano, Takuto Miyazaki, Naomichi Kashima, Tatsuro Shiomi, Naoshi Gyoda
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Patent number: 11842968Abstract: A power semiconductor device includes a substrate and a semiconductor element bonded onto a first surface of the substrate through use of a sintered metal bonding material. The substrate has a plurality of dimples formed in the first surface and located outside a location immediately below a heat generation unit of the semiconductor element. The sintered metal bonding material is supplied onto the substrate after the formation of the dimples, and the semiconductor element is bonded to the substrate through application of heat and a pressure thereto.Type: GrantFiled: April 29, 2022Date of Patent: December 12, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kohei Yabuta, Takayuki Yamada, Yuya Muramatsu, Noriyuki Besshi, Yutaro Sugi, Hiroaki Haruna, Masaru Fuku, Atsuki Fujita
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Publication number: 20230390860Abstract: A friction stir spot welder includes a pin, a shoulder, a rotary driver, an advance-retract driver, and circuitry. When a preset and predetermined first period of time has elapsed in a state where a speed of the rotating shoulder in an axial direction or a speed of the pin in the axial direction is a preset and predetermined first speed, the circuitry determines that the tip of the shoulder or the tip of the pin has reached a contact surface of a second workpiece which is in contact with a first workpiece.Type: ApplicationFiled: October 15, 2021Publication date: December 7, 2023Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Naoki TAKEOKA, Yoshitaka MURAMATSU, Ryoji OHASHI
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Publication number: 20230391263Abstract: A step apparatus for a vehicle includes: an arm rotatably provided on a base; and a step supported by the arm and movably provided, by rotation of the arm, between a deployed position and a stowed position located at an inner side of a vehicle width direction with respect to the deployed position. The step apparatus for a vehicle is in, by the rotation of the arm, a deployed state in which the step is disposed at the deployed position and the step is to be used or a stowed state in which the step is disposed at the stowed position and stowed under a vehicle body. At least one of the step and the base includes a contact portion to be brought into contact with the other one. The contact portion is provided to contact the other one of the step and the base when the step is disposed at the stowed position.Type: ApplicationFiled: November 9, 2021Publication date: December 7, 2023Applicant: AISIN CORPORATIONInventors: Masashi MIWA, Atsushi MURAMATSU, Natsuki ITO, Takahisa KOBAYASHI, Norio KATO, Kimihiro KINOSHITA