Patents by Inventor Kazuki Yamada
Kazuki Yamada 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: 20240360360Abstract: A quantum dot includes a core including Zn and Se, and a shell composed of ZnS and provided on a surface of the core, adjacently to the core. The quantum dot-emits blue light, is Cd free, and has a particle diameter within a range from 3 nm to 20 nm and a fluorescence lifetime in a thin film state of 50 ns or less.Type: ApplicationFiled: January 28, 2021Publication date: October 31, 2024Inventors: Masaki YAMAMOTO, Kazuki GOTO, HIROHISA YAMADA, MASAYA UEDA, Yuko OGURA, Masanori TANAKA, Mikihiro TAKASAKI, Yuka TAKAMIZUMA, Soichiro NIKATA, Tetsuji ITO, Mayuko WATANABE
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Publication number: 20240359950Abstract: Provided is a sheave for a lift, including: a base member having a cylindrical shape; a winding member that is coaxial with the base member and has a cylindrical shape with a diameter larger than a diameter of the base member; and a plurality of intermediate members provided between the base member and the winding member in a radial direction of the winding member. Each of the plurality of intermediate members includes: a first end portion connected to the base member; a second end portion connected to the winding member; a third end portion connected to the winding member at a position different from a position at which the second end portion is connected to the winding member in a circumferential direction of the winding member; and a branch portion formed between the first end portion and each of the second end portion and the third end portion.Type: ApplicationFiled: August 2, 2021Publication date: October 31, 2024Applicant: Mitsubishi Electric CorporationInventors: Kazuki SAWATANI, Tomoki YAMADA
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ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, AND ELECTRONIC DEVICE
Publication number: 20240349528Abstract: An organic electroluminescence device includes an emitting region provided between a cathode and an anode, a first anode side organic layer, a second anode side organic layer, and a third anode side organic layer, in which the emitting region includes at least one emitting layer, the second anode side organic layer contains at least one compound different from the compound contained in the third anode side organic layer, the third anode side organic layer has a film thickness of 20 nm or more, and a difference NM2?NM3 between a refractive index NM2 of a constituent material contained in the second anode side organic layer and a refractive index NM3 of a constituent material contained in the third anode side organic layer satisfies a relationship of a numerical formula (Numerical Formula N1) below, N ? M 2 - N ? M 3 ? 0 . 0 ? 5 .Type: ApplicationFiled: January 13, 2022Publication date: October 17, 2024Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Masato NAKAMURA, Emiko KAMBE, Kazuki NISHIMURA, Yusuke TAKAHASHI, Tasuku HAKETA, Satomi TASAKI, Tetsuya MASUDA, Keitaro YAMADA -
Publication number: 20240326893Abstract: The steering comprises a main body including a metal core, and a synthetic leather part wrapped around the main body. The synthetic leather part comprises a first synthetic leather part, a second synthetic leather part made of a different material from the first synthetic leather part, and a first sewing part having a linear shape formed by sewing the first synthetic leather part and the second synthetic leather part together. The first sewing part is formed to extend in a direction not toward a center of the steering in a front view of the steering.Type: ApplicationFiled: March 12, 2024Publication date: October 3, 2024Inventors: Tatsuya YAMADA, Seiji EGAWA, Kazuki NEMOTO, Shintaro NAKAMURA
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Patent number: 12076724Abstract: A specimen processing apparatus performs processing on a specimen contained in a container. The specimen processing apparatus includes: holders having different shapes, each of the holders being configured to hold the container; a holder placement unit that comprises holder receiving portions having different shapes, the shapes of the holder receiving portions corresponding to the shapes of the holders; and a specimen processing unit that performs processing on the specimen contained in the container held by one of the holders placed on the holder placement unit.Type: GrantFiled: August 20, 2020Date of Patent: September 3, 2024Assignee: SYSMEX CORPORATIONInventors: Kazuhiro Yamada, Kazuki Asao, Keisuke Kuwano
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Patent number: 12081295Abstract: A wireless device is configured to perform wireless communication with one or more terminals and includes an antenna configured to perform wireless communication, a wireless interface configured to perform wireless communication with the one or more terminals through the antenna, and a processor configured to acquire an azimuth and a weighting coefficient of each of the one or more terminals, and determine a direction of the antenna based on the azimuth and the weighting coefficient of each of the one or more terminals.Type: GrantFiled: June 22, 2022Date of Patent: September 3, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hideyuki Yamada, Kazuki Hashimoto, Sotaro Shinkai, Hiroshi Ohue
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Publication number: 20240274843Abstract: This oxidizing gas supply system for supplying a fuel cell with an oxidizing gas that has been compressed by a compressor comprises: a compressor having a compressor impeller; an oxidizing gas supply line for supplying the oxidizing gas that has passed through the compressor impeller to the fuel cell; an oxidizing gas introduction line for introducing the oxidizing gas to the compressor impeller; an oxidizing gas recirculation line which branches from the oxidizing gas supply line and is connected to the oxidizing gas introduction line; and a flow rate adjusting valve configured to be capable of adjusting the flow rate of the oxidizing gas passing through the oxidizing gas recirculation line.Type: ApplicationFiled: September 13, 2021Publication date: August 15, 2024Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Yusuke YASHIRO, Yuki YAMADA, Kazuki WATANABE, Yasuaki JINNAI
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Publication number: 20240271660Abstract: In a linear motion guide unit, a raceway groove formed in a casing of a slider includes a first raceway surface extending along the length direction of the slider and a second raceway surface facing the first raceway surface and extending along the length direction of the slider. The second raceway surface includes a first portion including a center portion in a length direction of the casing, and a second portion including end portions in the length direction of the casing and having a wall surface shape different from a wall surface shape of the first portion. In the first portion, the first raceway surface and the second raceway surface define a symmetric Gothic arch groove, and in the second portion, the second raceway surface has a surface recessed from a position symmetric to the first raceway surface.Type: ApplicationFiled: March 23, 2022Publication date: August 15, 2024Applicant: NIPPON THOMPSON CO., LTD.Inventors: Toshimichi TANAKA, Tamotsu IWATA, Kazuki YAMADA, Yasuhiro OTSUJI, Shunya YAMAZAKI
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Patent number: 12049216Abstract: A vehicle control method is applied to a vehicle 1 in which a front wheel 2 is driven by an engine 4, and the method includes a basic torque setting step of setting basic torque to be generated by the engine 4, based on an operational state of the vehicle 1; a deceleration torque setting step of setting deceleration torque, based on an increase in steering angle of a steering apparatus 5 mounted on the vehicle 1; a torque generation step of controlling the engine 4 so that torque based on the basic torque and the deceleration torque is generated; and a deceleration torque changing step of changing the deceleration torque, based on a vehicle-width-direction mounting position of a steering wheel 6 and an operation direction of the steering wheel 6 when the steering angle is increased.Type: GrantFiled: September 4, 2019Date of Patent: July 30, 2024Assignees: MAZDA MOTOR CORPORATION, IKUTOKU GAKUENInventors: Takatoshi Tsukano, Shohei Yamada, Daisuke Umetsu, Fuminori Kato, Osamu Sunahara, Masato Abe, Makoto Yamakado, Yoshio Kano, Kazuki Sato
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Patent number: 12000473Abstract: Separate structural units for an inner gear and a housing of a planetary gear device include an inner gear with a first raised portion formed on the outer peripheral surface of the inner gear, where the first raised portion extends towards in a direction that is inclined with respect to the axial direction of the inner gear. A housing includes a second raised portion formed on an inner peripheral surface, where the second raised portion extends in a direction that is inclined in respect to the axial direction. The housing contains the inner gear such that there is a gap formed between the inner peripheral surface of the housing and the outer peripheral surface of the inner gear. Movement of the inner gear within the interior of the housing is limited through linear contact of the first raised portion and the second raised portion.Type: GrantFiled: October 7, 2021Date of Patent: June 4, 2024Assignee: ENPLAS CORPORATIONInventors: Koki Hisai, Kazuki Yamada, Toshiki Kawada, Shohei Ishida, Takuya Kaneko
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Patent number: 11948753Abstract: A manufacturing method of a multilayer ceramic electronic device includes: forming each of stack units by forming each of internal electrode patterns on each of dielectric green sheets, the each of internal electrode patterns including Ni, Sn and Au; forming a multilayer structure by stacking the each of stack units; and firing the multilayer structure, whereby each internal electrode layer is formed from the each of internal electrode patterns and each dielectric layer is formed from the each of the dielectric green sheets wherein, in the each internal electrode layer, an Au concentration near each interface between the each internal electrode layer and the each dielectric layer is larger than an Au concentration in each center portion in a thickness direction.Type: GrantFiled: June 1, 2023Date of Patent: April 2, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Kazuki Yamada, Kotaro Mizuno, Yoichi Kato, Hidetoshi Masuda
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Patent number: 11867278Abstract: A planetary gear device includes: a housing cover disposed at one end portion of a housing in an axis direction, the housing being configured to house a sun gear and a planetary gear inside the housing; and a carrier cover disposed next to the housing cover in the axial direction in the inside, and configured to support a shaft of the planetary gear from one end portion side in the axial direction. Of a pair of opposing parts opposite to each other in the housing cover and the carrier cover, one opposing part includes an opening that opens in the axis direction, and the other opposing part includes a slide cylindrical part protruding toward inside of the opening in a coaxial manner with an axis of the opening, the slide cylindrical part including an outer peripheral surface that slides on an inner peripheral surface of the opening.Type: GrantFiled: September 28, 2022Date of Patent: January 9, 2024Assignee: Enplas CorporationInventor: Kazuki Yamada
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Publication number: 20230326680Abstract: A manufacturing method of a multilayer ceramic electronic device includes: forming each of stack units by forming each of internal electrode patterns on each of dielectric green sheets, the each of internal electrode patterns including Ni, Sn and Au; forming a multilayer structure by stacking the each of stack units; and firing the multilayer structure, whereby each internal electrode layer is formed from the each of internal electrode patterns and each dielectric layer is formed from the each of the dielectric green sheets wherein, in the each internal electrode layer, an Au concentration near each interface between the each internal electrode layer and the each dielectric layer is larger than an Au concentration in each center portion in a thickness direction.Type: ApplicationFiled: June 1, 2023Publication date: October 12, 2023Inventors: Kazuki YAMADA, Kotaro MIZUNO, Yoichi KATO, Hidetoshi MASUDA
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Patent number: 11710601Abstract: A ceramic electronic device includes a multilayer chip in which a plurality of dielectric layers of which a main component is ceramic and a plurality of internal electrode layers are stacked. The plurality of internal electrode layers include Ni, Sn and Au.Type: GrantFiled: July 9, 2021Date of Patent: July 25, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Kazuki Yamada, Kotaro Mizuno, Yoichi Kato, Hidetoshi Masuda
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Patent number: 11674587Abstract: A planetary gear device includes: a housing cover disposed at one end portion of a housing in an axis direction, the housing being configured to house a sun gear and a planetary gear inside the housing; and a carrier cover disposed next to the housing cover in the axial direction in the inside, and configured to support a shaft of the planetary gear from one end portion side in the axial direction. One opposing part of a pair of opposing parts opposite to each other in the housing cover and the carrier cover includes a cone-shaped part whose diameter varies in the axial direction, and the other opposing part of the pair of opposing parts includes a sliding part configured to slide on a peripheral surface of the cone-shaped part with a same axis as an axis of the cone-shaped part.Type: GrantFiled: March 28, 2022Date of Patent: June 13, 2023Assignee: Enplas CorporationInventors: Koki Hisai, Kazuki Yamada
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Publication number: 20230019943Abstract: A pattern formation method includes: forming a photosensitive hard mask made of a transition metal oxide film on a surface of a substrate; exposing the photosensitive hard mask to EUV light in a desired pattern; causing a state change in an exposed region by heat generated during exposure; and selectively removing either a region where the state change has occurred or a region where the state change has not occurred.Type: ApplicationFiled: July 11, 2022Publication date: January 19, 2023Inventors: Hajime NAKABAYASHI, Tomohito YAMAJI, Kazuki YAMADA, Ryuichi ASAKO
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Patent number: 11555518Abstract: A linear motion guide unit includes a rail having first rolling surfaces extending longitudinally parallel to each other, a movable slider fitting over the rail, second rolling surfaces opposing the first rolling surfaces, respectively, rolling elements that roll while contacting the first and second rolling surfaces, a loop path through which the rolling elements circulate composed of a load-carrying race formed with the first and second rolling surfaces, a first circulation passage formed in the slider parallel to the load-carrying race, and two second circulation passages connecting the load-carrying race and the first circulation passage. The load-carrying race has a first portion at a boundary with the second circulation passage, and a contact angle of the rolling element with the second rolling surface in the first portion is greater than a contact angle of the rolling element with the second rolling surface in a remaining portion of the load-carrying race.Type: GrantFiled: October 27, 2021Date of Patent: January 17, 2023Assignee: NIPPON THOMPSON CO., LTD.Inventors: Kazuki Yamada, Toshimichi Tanaka
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Patent number: 11519797Abstract: A gripping force measurement device includes a body portion and a plurality of pressure sensors. The plurality of pressure sensors includes at least one first sensor and two or more second sensors including pressure-sensitive surfaces oriented in the same direction. A pressure-sensitive surface of the first sensor and the pressure-sensitive surfaces of the two or more second sensors are disposed such that, when a subject pressurizes the pressure-sensitive surface of the first sensor and the pressure-sensitive surfaces of the two or more second sensors, the gripping force measurement device is grippable by the subject.Type: GrantFiled: December 28, 2018Date of Patent: December 6, 2022Assignees: Kitagawa Industries Co., Ltd., University of YamanashiInventors: Kazuki Yamada, Yasuo Kondo, Lu Zhao, Hidetsugu Terada, Koji Makino, Takaiki Kanagawa
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Publication number: 20220362979Abstract: An aspect of mold for producing an end plate of a planetary gear carrier includes a mold body and a cylindrical protrusion extending from a front surface of the mold body. The cylindrical protrusion defines a cylindrical interior space fluidly linked to an interior space of the mold body. The mold also includes an injection gate disposed on a rear surface of the mold body and aligned with a longitudinal axis of the cylindrical protrusion, wherein the injection gate is configured to allow an injection nozzle to inject a molding material into the interior space from an exterior of the mold body. In some aspects, the molding material includes additives that can improve the properties of the resulting molded part. Other aspects of the present disclosure include molded carriers for planetary gear devices, and related processes or methods for making similar molded parts.Type: ApplicationFiled: May 11, 2021Publication date: November 17, 2022Inventors: Kazuki YAMADA, Koki HISAI
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Publication number: 20220307583Abstract: A planetary gear device includes: a housing cover disposed at one end portion of a housing in an axis direction, the housing being configured to house a sun gear and a planetary gear inside the housing; and a carrier cover disposed next to the housing cover in the axial direction in the inside, and configured to support a shaft of the planetary gear from one end portion side in the axial direction. One opposing part of a pair of opposing parts opposite to each other in the housing cover and the carrier cover includes a cone-shaped part whose diameter varies in the axial direction, and the other opposing part of the pair of opposing parts includes a sliding part configured to slide on a peripheral surface of the cone-shaped part with a same axis as an axis of the cone-shaped part.Type: ApplicationFiled: March 28, 2022Publication date: September 29, 2022Applicant: Enplas CorporationInventors: Koki HISAI, Kazuki YAMADA