Patents Assigned to Yamanashi
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Patent number: 11955513Abstract: A semiconductor device has a super junction structure and includes a first semiconductor layer of the second conductive type disposed on the first column region and the second column region, a second semiconductor layer of the first conductive type disposed on the first semiconductor layer, a first semiconductor region of the first conductive type that is electrically connected to the first electrode and is disposed in a surface layer portion of the second semiconductor layer to be separated from the first semiconductor layer, and a second semiconductor region of the second conductive type that is electrically connected to the second electrode and that is disposed at least in the surface layer portion of the second semiconductor layer to be separated from the first semiconductor region and is electrically connected to the first semiconductor layer.Type: GrantFiled: November 6, 2020Date of Patent: April 9, 2024Assignees: NISSHINBO MICRO DEVICES INC., UNIVERSITY OF YAMANASHIInventors: Makoto Hashimoto, Koji Yano, Naohiro Shimizu
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Publication number: 20240055616Abstract: The present invention provides a supported metal catalyst that has an electric conductivity acceptable as a catalyst and can suppress the generation of hydrogen peroxide. According to the present invention, provided is a supported metal catalyst, comprising: a support powder; and metal fine particles supported on the support powder, wherein: the support powder is an aggregate of support fine particles; the support fine particles have a chained portion structured by a plurality of crystallites being fusion-bonded to form a chain; the support fine particles are structured with a metal oxide; the metal oxide contains cerium; and an electric conductivity of the supported metal catalyst is 10?4 S/cm or higher.Type: ApplicationFiled: December 23, 2021Publication date: February 15, 2024Applicants: UNIVERSITY OF YAMANASHI, NIHON KAGAKU SANGYO CO., LTD.Inventors: Katsuyoshi KAKINUMA, Akihiro IIYAMA, Makoto UCHIDA, Sumitaka WATANABE, Isao AMEMIYA
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Publication number: 20230398140Abstract: The disclosure provides an ocular tension increasing agent containing a temperature responsive polymer. Ocular tension can be increased by administering an ocular tension increasing agent according to the present invention to a predetermined region of an eye and ocular tension can be controlled, if necessary, by temperature.Type: ApplicationFiled: October 28, 2021Publication date: December 14, 2023Applicant: UNIVERSITY OF YAMANASHIInventors: Yuji TANAKA, Kenji KASHIWAGI, Shigehito OSAWA
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Publication number: 20230366878Abstract: A method of isolating viruses from a liquid with the possibility of containing viruses, including a process of mixing a liquid with the possibility of containing viruses and a water-soluble cationic magnetic fine particle aqueous solution to form conjugates of the cationic magnetic fine particles and the viruses in a mixed solution, a process of mixing a masking agent and an aggregating agent in the mixed solution to form a magnetic composite in which the conjugates are aggregated, and a process of recovering the magnetic composite by magnetic separation, wherein the masking agent is a poly(meth)acrylic acid having a mass-average molecular weight of 5,000 to 100,000, and the poly(meth)acrylic acid is mixed in the mixed solution in a concentration range of 0.01 to 0.1 mass %.Type: ApplicationFiled: May 4, 2023Publication date: November 16, 2023Applicants: UNIVERSITY OF YAMANASHI, JNC CORPORATIONInventor: Eiji HARAMOTO
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Publication number: 20230357745Abstract: A medical device that includes: a base part that has an opening part; and a holder that holds the base part on a culture plate. The base part also has a channel that is in fluid communication with the opening part. Biological samples are cultured and embedded in an embedding material at the opening part.Type: ApplicationFiled: September 16, 2021Publication date: November 9, 2023Applicant: UNIVERSITY OF YAMANASHIInventor: Yuji TANAKA
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Publication number: 20230321633Abstract: A supported metal catalyst in which an electric conductivity is enhanced. The supported metal catalyst includes a support powder; and metal fine particles supported by the support powder. The support powder is an aggregate of support fine particles; the support fine particles are provided with a chained portion structured by a plurality of crystallites being fusion-bonded to form a chain; the support fine particles are structured with a metal oxide; and the supported amount of metal fine particles per unit area of the surface area of the support powder calculated based on sphere approximation is 3.4 to 13.7 (mg/m2).Type: ApplicationFiled: August 20, 2021Publication date: October 12, 2023Applicant: UNIVERSITY OF YAMANASHIInventors: Katsuyoshi KAKINUMA, Makoto UCHIDA, Akihiro IIYAMA
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Publication number: 20230312363Abstract: Provided are a dielectric ceramic composition having excellent temperature properties and low DC bias dependence in a wide temperature range from room temperature to over 200° C., a method of manufacturing a dielectric ceramic composition, and a multilayer ceramic capacitor.Type: ApplicationFiled: March 17, 2023Publication date: October 5, 2023Applicants: SAMSUNG ELECTRO-MECHANICS CO., LTD., University of YamanashiInventors: Ken Yamaguchi, Toshihiro Doi, Nobuyuki Koide, Kotaro Hata, Satoshi Wada
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Publication number: 20230312813Abstract: Provided are a method for producing an anion exchange resin which is capable of producing an electrolyte membrane with excellent mechanical property (strength). A monomer for forming a hydrophobic group is reacted with a monomer for forming a hydrophilic group in the presence of bis(1,5-cyclooctadiene)nickel(0) as a catalyst, 2,2?-bipyridine as a co-ligand, a bromide or an iodide as a co-catalyst, and a reducing agent to produce an anion exchange resin where the hydrophobic group is connected to the hydrophilic group via direct bond, in which a mole number of bis(1,5-cyclooctadiene)nickel(0) is 0.3 to 1.8 times a total mole number of the monomer for forming a hydrophobic group and the monomer for forming a hydrophilic group.Type: ApplicationFiled: July 2, 2021Publication date: October 5, 2023Applicants: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.Inventors: Kenji MIYATAKE, Yosuke KONNO, Naoki YOKOTA, Katsuya NAGASE
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Publication number: 20230299307Abstract: An electrode catalyst including a void-containing body having a void, the void-containing body includes a core part and a skin layer covering the core part, the core part is structured with metal, and the skin layer is structured with an oxide containing Ni.Type: ApplicationFiled: June 7, 2021Publication date: September 21, 2023Applicant: UNIVERSITY OF YAMANASHIInventor: Katsuyoshi KAKINUMA
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Publication number: 20230287339Abstract: A frozen egg culturing device includes: a housing portion configured to house a frozen egg contained in a container; a liquid injecting portion; a liquid discharging portion; and an egg outflow preventing portion between the frozen egg contained in the container, and the liquid injecting portion and the liquid discharging portion. A frozen egg culturing method uses the frozen egg culturing device.Type: ApplicationFiled: July 28, 2021Publication date: September 14, 2023Applicant: UNIVERSITY OF YAMANASHIInventors: Teruhiko WAKAYAMA, Sayaka WAKAYAMA, Tomomi SUZUKI, Chiaki YAMAZAKI
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Publication number: 20230278195Abstract: A robot includes a robot hand, a robot arm, a force sensor, and a control device. The control device performs admittance control to determine a position of the robot hand in accordance with a force detected by the force sensor, and provides, to the robot arm, an instruction to move the robot hand to the determined position. Further, the control device records, as teaching data, the instruction provided to the robot arm.Type: ApplicationFiled: February 23, 2023Publication date: September 7, 2023Applicants: SINTOKOGIO, LTD., UNIVERSITY OF YAMANASHIInventors: Yoshikane Tanaami, Miyuki Hayashi, Yoshiyuki Noda
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Publication number: 20230282694Abstract: A semiconductor device has a super junction structure and includes a first semiconductor layer of the second conductive type disposed on the first column region and the second column region, a second semiconductor layer of the first conductive type disposed on the first semiconductor layer, a first semiconductor region of the first conductive type that is electrically connected to the first electrode and is disposed in a surface layer portion of the second semiconductor layer to be separated from the first semiconductor layer, and a second semiconductor region of the second conductive type that is electrically connected to the second electrode and that is disposed at least in the surface layer portion of the second semiconductor layer to be separated from the first semiconductor region and is electrically connected to the first semiconductor layer.Type: ApplicationFiled: November 6, 2020Publication date: September 7, 2023Applicants: NISSHINBO MICRO DEVICES INC., University of YamanashiInventors: Makoto HASHIMOTO, Koji YANO, Naohiro SHIMIZU
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Patent number: 11674102Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), and a tricyclic liquid crystal compound of formula (2), and having a mixing mass ratio of the bicyclic liquid crystal compound and tricyclic liquid crystal compound of 95:5 to 15:85. The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or —OR. R is a linear or branched CnH2n+1, 1?n?20 and R? is methyl or ethyl.Type: GrantFiled: May 24, 2022Date of Patent: June 13, 2023Assignees: UNIVERSITY OF YAMANASHI, NIPPON THOMPSON CO., LTD., Ushio Chemix CorporationInventors: Yuichiro Haramoto, Shigemasa Itabashi, Ayana Takemura, Kazuo Okamoto, Hiroyuki Otsuki
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Publication number: 20230147601Abstract: A gas diffusion member which can reduce internal resistance of a fuel cell. A gas diffusion member arranged between a separator and a catalyst layer of a fuel cell, including: a porous material layer; and a conductive material layer; wherein: the porous material layer is formed of a conductive porous material; the conductive material layer is formed of a conductive material; and the conductive material layer is arranged on a surface of the porous material layer on a side of the separator and is provided so that pores of the porous material layer are filled with the conductive material.Type: ApplicationFiled: January 7, 2021Publication date: May 11, 2023Applicants: UNIVERSITY OF YAMANASHI, ENOMOTO CO., LTD.Inventors: Masahiro WATANABE, Hiroshi YANAI, Mitsunori NASU, Yohei HORIUCHI
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Publication number: 20230085417Abstract: The present invention provides a supported metal catalyst with excellent effectiveness factor of active metal particles which are also free from deactivation by contacting with ionomer. According to the present invention, provided is a supported metal catalyst, comprising a support that is a collective body of conductive particles; and dispersed active metal particles supported on the conductive particles, wherein the conductive particles include a plurality of pores, an average entrance pore diameter of the pores is 1 to 20 nm, a standard deviation of the average entrance pore diameter is equal to or less than 50% of the average entrance pore diameter, a number fraction of the active metal particles supported in a surface layer region of the conductive particles divided by the total number of the active metal particles is equal to or more than 50%, and the surface layer region is a region on a surface of the conductive particles or a region in the pores within a depth of 15 nm from the surface.Type: ApplicationFiled: February 5, 2021Publication date: March 16, 2023Applicants: UNIVERSITY OF YAMANASHI, NIKKI-UNIVERSAL CO., LTD.Inventors: Toshihiro MIYAO, Hanako NISHINO, Kazutoshi HIGASHIYAMA, Makoto UCHIDA, Akihiro IIYAMA, Kazuya SHIBANUMA, Naoto KOIZUMI
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Patent number: 11594737Abstract: A membrane-electrode assembly including a catalyst layer that includes a catalyst-supporting carrier in which a catalyst is supported on a carrier made of an inorganic oxide, and a highly hydrophobic substance having a higher degree of hydrophobicity than the inorganic oxide, the catalyst layer being formed on at least one surface of a polymer electrolyte membrane. It is preferable that, in the membrane-electrode assembly, the degree of hydrophobicity of the highly hydrophobic substance is from 0.5 vol % to 45 vol % at 25° C., the degree of hydrophobicity being defined as a concentration of methanol (vol %) when a light transmittance of a dispersion obtained by dispersing the highly hydrophobic substance in a mixed solution of water and methanol reaches 80%.Type: GrantFiled: June 6, 2019Date of Patent: February 28, 2023Assignees: MITSUI MINING & SMELTING CO., LTD., UNIVERSITY OF YAMANASHIInventors: Koji Taniguchi, Masahiro Watanabe, Makoto Uchida, Katsuyoshi Kakinuma
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Publication number: 20230049745Abstract: The carrier metal catalyst achieves suppression of internal resistance of a fuel cell. A carrier metal catalyst includes: a carrier powder; and metal fine particles supported on the carrier powder; wherein: the carrier powder is an aggregates of carrier fine particles; the carrier fine particles includes a chained portion structured by a plurality of crystallites being fusion bonded to form a chain; the carrier fine particles include titanium oxide; the carrier fine particles are doped with an element having a valence different from a valence of titanium; the titanium oxide of the carrier powder has an anatase phase/rutile phase ratio of 0.2 or lower; the metal fine particles have a mean particle size of 3 to 10 nm; the metal fine particles include platinum; and a cell resistance measured under standard conditions of a fuel cell prepared using the carrier metal catalyst is 0.090 ?cm·2 or lower.Type: ApplicationFiled: October 17, 2022Publication date: February 16, 2023Applicant: UNIVERSITY OF YAMANASHIInventors: Katsuyoshi KAKINUMA, Makoto UCHIDA, Akihiro IIYAMA
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Patent number: 11563219Abstract: A carrier powder is thermodynamically stable and conductivity can be easily provided thereto. A carrier powder includes an aggregate of carrier fine particles; wherein: the carrier fine particles include a chained portion structured by fusion bonding a plurality of crystallites into a chain; the carrier fine particles contain titanium oxide; and a ratio of anatase phase/rutile phase of the titanium oxide of the carrier powder is 0.2 or lower.Type: GrantFiled: July 18, 2018Date of Patent: January 24, 2023Assignee: UNIVERSITY OF YAMANASHIInventors: Katsuyoshi Kakinuma, Makoto Uchida, Akihiro Iiyama
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Publication number: 20230006219Abstract: A support and metal catalyst with improved electric conductivity is provided. A support and metal catalyst, including: a support powder; and metal fine particles supported on the support powder; wherein: the support powder is an aggregate of support fine particles; the support fine particles have a chained portion structured by a plurality of crystallites being fusion bonded to form a chain; the support fine particles are structured with metal oxide; and the metal oxide is doped with a dopant element, and an atomic ratio of titanium with respect to total of titanium and tin is 0.30 to 0.80, is provided.Type: ApplicationFiled: December 10, 2020Publication date: January 5, 2023Applicants: UNIVERSITY OF YAMANASHI, NIHON KAGAKU SANGYO CO., LTD.Inventors: Katsuyoshi KAKINUMA, Makoto UCHIDA, Akihiro IIYAMA, Isao AMEMIYA, Chisato ARATA, Sumitaka WATANABE
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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