Patents by Inventor Ryo Yamashita
Ryo Yamashita 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: 20250013179Abstract: An electrophotographic member including at least a base layer, an elastic layer, and a surface layer comprising a fluorocarbon resin in this order, wherein the elastic layer has a surface resistivity of 1×1014?/? or more, the surface layer has a surface resistivity of 1×1015?/? or more, the electrophotographic member further has a resin layer between the elastic layer and the surface layer, the resin layer includes an ionic conducting agent, and the resin layer has a surface resistivity of 1×1014?/? or more.Type: ApplicationFiled: June 20, 2024Publication date: January 9, 2025Inventors: RYO ISHIFUJI, HIROKI MURAMATSU, TAKASHI YAMASHITA
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Patent number: 12172497Abstract: An air conditioner for a vehicle is provided which can realize suitable temperature control when having a plurality of evaporators even if the load in each evaporator fluctuates. An air conditioner 1 for a vehicle includes at least a compressor 2, a heat absorber 9 to evaporate a refrigerant, a refrigerant-heat medium heat exchanger 64, and a control device 11, and conditions air of a vehicle interior. The control device 11 calculates target numbers of revolutions TGNCc and TGNCcb of the compressor 2 required to control the temperature of the heat absorber 9 and the temperature of a heat medium cooled by the refrigerant-heat medium heat exchanger 64, respectively, and selects the maximum value of them to control the operation of the compressor 2.Type: GrantFiled: February 19, 2021Date of Patent: December 24, 2024Assignee: SANDEN CORPORATIONInventors: Kouhei Yamashita, Ryo Miyakoshi
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Patent number: 12163572Abstract: A first damping force generation mechanism provided in a first passage formed in a piston to generate a damping force, and a second damping force generation mechanism provided in an annular valve seat member disposed in one of chambers and provided in a second passage in parallel with the first passage to generate a damping force, in which the second damping force generation mechanism includes a first sub-valve provided on one side of the second passage formed in the valve seat member and a second sub-valve (provided on the other side thereof, and a bottomed cylindrical cap member having an outer cylindrical part and a bottom part, and the cap member includes an inner cylindrical part into which the piston rod is able to be inserted formed on an inner circumferential side of the bottom part and houses at least a part of the second damping force generation mechanism.Type: GrantFiled: January 15, 2020Date of Patent: December 10, 2024Assignee: HITACHI ASTEMO, LTD.Inventors: Mikio Yamashita, Ryo Shinata
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Patent number: 12136640Abstract: There is provided a solid-state imaging device including: a first semiconductor layer including a photoelectric converter and an electric charge accumulation section for each pixel, the electric charge accumulation section in which a signal electric charge generated in the photoelectric converter is accumulated; a pixel separation section that is provided in the first semiconductor layer, and partitions a plurality of the pixels from each other; a second semiconductor layer that is provided with a pixel transistor and is stacked on the first semiconductor layer, the pixel transistor that reads the signal electric charge of the electric charge accumulation section; and a first shared coupling section that is provided between the second semiconductor layer and the first semiconductor layer, and is provided to straddle the pixel separation section and is electrically coupled to a plurality of the electric charge accumulation sections.Type: GrantFiled: June 26, 2020Date of Patent: November 5, 2024Assignee: Sony Semiconductor Solutions CorporationInventors: Keiichi Nakazawa, Koichiro Zaitsu, Nobutoshi Fujii, Yohei Hiura, Shigetaka Mori, Shintaro Okamoto, Keiji Ohshima, Shuji Manda, Junpei Yamamoto, Yui Yuga, Shinichi Miyake, Tomoki Kambe, Ryo Ogata, Tatsuki Miyaji, Shinji Nakagawa, Hirofumi Yamashita, Yasushi Hamamoto, Naohiko Kimizuka
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Patent number: 12122911Abstract: A polyalkylene ether glycol composition including a polyalkylene ether glycol including an alkoxy group serving as a terminal group. The polyalkylene ether glycol composition has a hydroxyl value of 220 or more and 750 or less. The ratio of the number of alkoxy group terminals of the polyalkylene ether glycol included in the polyalkylene ether glycol composition to the number of hydroxyl group terminals of polyalkylene ether glycols included in the polyalkylene ether glycol composition is 0.00001 or more and 0.0040 or less. Provided is a polyalkylene ether glycol composition having excellent compatibility with low-molecular-weight polyols, having suitable reactivity when used as a raw material for polyurethanes, and capable of achieving intended physical properties.Type: GrantFiled: July 12, 2021Date of Patent: October 22, 2024Assignee: Mitsubishi Chemical CorporationInventors: Gaku Teshima, Ryo Yamashita, Shohei Taniguchi
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Publication number: 20240331400Abstract: A threshold-value setting device sets a threshold value corresponding to a predetermined distance in order to give a user a warning about a warning object approaching within a distance less than the predetermined distance, and includes a threshold-value processor and an image processor. The threshold-value processor acquires a vertical position in a camera image obtained by image capturing of surroundings of the vehicle with the camera, i.e., a designated position in accordance with a user's operation and generates an icon having a size appropriate to the designated position and having a shape imitating the shape of the warning object. The image processor superimposes the icon on the designated position in the camera image and displays the icon-superimposed camera image on a display. The threshold-value processor sets the designated position as the threshold value in accordance with a determination operation performed by the user based on the displayed icon.Type: ApplicationFiled: March 25, 2024Publication date: October 3, 2024Applicant: Panasonic Automotive Systems Co., Ltd.Inventors: Ryo ITO, Jun IMAMURA, Takayuki SUZUKI, Tatsuki HOTANI, Akitoshi YAMASHITA
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Publication number: 20240300462Abstract: A reservoir tank has an overhanging portion hanging over a master cylinder toward a front side of a vehicle. The guide member has a fixed portion to be fixed to the master cylinder, and an extending portion extending toward the front side of the vehicle from the fixed portion and overlapping the overhanging portion in a vehicle up-down direction. Moreover, the overhanging portion has a rib portion protruding toward a lower side of the vehicle, and at least part of this rib portion overlaps the extending portion in a vehicle front-rear direction.Type: ApplicationFiled: March 1, 2024Publication date: September 12, 2024Inventors: Ryo Ueki, Motomasa Suzuki, Akihisa Hirata, Tadashi Yamashita, Yuki Katagiri, Susumu Kobayashi
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Patent number: 12069985Abstract: A work unit to be attached to a lower side of a work vehicle that includes a wheel includes a work portion, a housing that covers the work portion, a bridge portion that is provided above the housing, auxiliary plates that change their positions between a state of being housed in the bridge portion and a state of protruding from the bridge portion, a linkage mechanism that is provided in the bridge portion and is connected to the auxiliary plates, and an operation tool for operating the linkage mechanism. As a result of operating the operation tool, the linkage mechanism is folded or unfolded, and positions of the auxiliary plates are changed between the state of being housed in the bridge portion and the state of protruding from the bridge portion.Type: GrantFiled: November 7, 2019Date of Patent: August 27, 2024Assignee: Kubota CorporationInventors: Tomohisa Yamamoto, Tatsuro Tokunaga, Ryo Matsumoto, Akihito Mihara, Ryusuke Kawamoto, Terumasa Kobayashi, Hiroki Nagai, Toshiki Kanai, Ryotaro Nakatsu, Yuto Akai, Seiya Sato, Nobuyuki Yamashita
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Patent number: 11982594Abstract: An inspection system inspects a flow of gas in a container storage facility that includes a placement table and a gas supply device to supply gas to the container. The inspection system includes: an inspection unit placeable on the placement table, and a determiner. The gas supply device includes: a gas supply section located in the placement table to be connectable to the container inflow section of the container; a gas supply pipe; and a supply gas flow rate controller to control a flow rate of the gas supplied to the gas supply section through the gas supply pipe, so as to be equal to a predetermined supply gas flow rate. The inspection unit includes: an inspection inflow section connectable to the gas supply section, and an inflow rate measurer to measure an inflow rate of the gas flowing thereto from the inspection inflow section.Type: GrantFiled: April 26, 2022Date of Patent: May 14, 2024Assignee: Daifuku Co., Ltd.Inventors: Kazuya Omori, Ryo Yamashita, Naoto Okawara, Kyohei Miyamae
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Publication number: 20230150136Abstract: A deterioration diagnosis apparatus is for a mechanical apparatus including a power transmission mechanism that transmits power via a gear. The deterioration diagnosis apparatus includes: a storing unit that stores, in advance, a trend of change along with the operation of the mechanical apparatus, in consumption rate of an additive contained in lubricant used for the gear; and a determination unit that determines the period to be taken for the consumption rate of the additive to reach a predetermined value, based on the trend of change in the consumption rate of the additive.Type: ApplicationFiled: January 19, 2023Publication date: May 18, 2023Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Koki TAGUCHI, Keiichi YAMANAKA, Hiroyuki YAMAMOTO, Ryo YAMASHITA, Osamu HISAMATSU
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Publication number: 20230125666Abstract: After the start of supply of a purge gas to a storage container, a supply rate control unit performs supply rate increase control to gradually increase the supply rate such that the supply rate reaches a first flow rate, and after the supply rate reaches the first flow rate, the supply rate control unit performs supply rate maintenance control to maintain the supply rate at the first flow rate or larger. A discharge rate control unit keeps a discharge rate at zero while the supply rate increase control is being executed, and when the supply rate reaches the first flow rate, the discharge rate control unit performs discharge rate maintenance control to maintain the discharge rate at or below a second flow rate smaller than the first flow rate.Type: ApplicationFiled: October 25, 2022Publication date: April 27, 2023Inventors: Kazuya Omori, Ryo Yamashita, Akihiro Yoshioka, Akira Masui, Hiroshi Otsuka
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Patent number: 11608405Abstract: Provided is a polycarbonate polyol used as a raw material of a polyurethane that has an excellent balance of flexibility, mechanical strength and solvent resistance. The polycarbonate polyol includes structural units derived from a polyhydric alcohol and has a hydroxyl value of 20 to 450 mg KOH/g. The polyhydric alcohol includes: a diol (A) containing not less than 70% by weight of a specific oxyalkylene glycol (A1); and a trihydric to hexahydric branched alcohol (B) having 3 to 12 carbon atoms. In the polycarbonate polyol, structural units derived from the branched alcohol (B) is contained in an amount of 0.005 to 5.0% by mole in the structural units derived from the polyhydric alcohol. A ratio of a structural unit (X1) represented by the following Formula (X1) in the structural units derived from the branched alcohol (B) is not higher than 50% by mole.Type: GrantFiled: June 21, 2019Date of Patent: March 21, 2023Assignee: Mitsubishi Chemical CorporationInventors: Yuta Hioki, Yoshikazu Kanamori, Kazunao Kusano, Kazuki Wakabayashi, Ryo Yamashita, Takayuki Yamanaka
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Patent number: 11577394Abstract: A deterioration diagnosis apparatus is for a mechanical apparatus including a power transmission mechanism that transmits power via a gear. The deterioration diagnosis apparatus includes: a storing unit that stores, in advance, a trend of change along with the operation of the mechanical apparatus, in consumption rate of an additive contained in lubricant used for the gear; and a determination unit that determines the period to be taken for the consumption rate of the additive to reach a predetermined value, based on the trend of change in the consumption rate of the additive.Type: GrantFiled: May 21, 2020Date of Patent: February 14, 2023Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Koki Taguchi, Keiichi Yamanaka, Hiroyuki Yamamoto, Ryo Yamashita, Osamu Hisamatsu
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Publication number: 20220341810Abstract: An inspection system inspects a flow of gas in a container storage facility that includes a placement table and a gas supply device to supply gas to the container. The inspection system includes: an inspection unit placeable on the placement table, and a determiner. The gas supply device includes: a gas supply section located in the placement table to be connectable to the container inflow section of the container; a gas supply pipe; and a supply gas flow rate controller to control a flow rate of the gas supplied to the gas supply section through the gas supply pipe, so as to be equal to a predetermined supply gas flow rate. The inspection unit includes: an inspection inflow section connectable to the gas supply section, and an inflow rate measurer to measure an inflow rate of the gas flowing thereto from the inspection inflow section.Type: ApplicationFiled: April 26, 2022Publication date: October 27, 2022Inventors: Kazuya Omori, Ryo Yamashita, Naoto Okawara, Kyohei Miyamae
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Publication number: 20220081506Abstract: Provided is a polyether polycarbonate diol, wherein the ratio of the total number of terminal alkoxy groups and terminal aryloxy groups to the total number of all terminal groups is 0.20% or more and 7.5% or less. Controlling the ratio of the total number of terminal alkoxy groups and terminal aryloxy groups to the total number of all terminal groups included in the polyether polycarbonate diol to fall within the preferable range enables a polyurethane having an intended molecular weight to be produced while the occurrence of rapid polymerization reaction is reduced.Type: ApplicationFiled: November 22, 2021Publication date: March 17, 2022Applicant: Mitsubishi Chemical CorporationInventors: Yusuke IZAWA, Ryo YAMASHITA, Mitsuharu KOBAYASHI, Kazunao KUSANO, Shohei TANIGUCHI
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Publication number: 20220056208Abstract: A polyalkylene ether glycol composition containing a nitrogen-containing compound, wherein the nitrogen-containing compound constitutes 0.2 to 40 mass ppm of the polyalkylene ether glycol in terms of nitrogen atoms. A method for producing the polyalkylene ether glycol composition through a purification step of decreasing the amount of acetal in the polyalkylene ether glycol composition.Type: ApplicationFiled: November 2, 2021Publication date: February 24, 2022Applicant: Mitsubishi Chemical CorporationInventors: Ryo YAMASHITA, Yusuke IZAWA, Masaru UTSUNOMIYA
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Publication number: 20220041790Abstract: A thermoplastic polyurethane resin elastomer is obtained by reacting an isocyanate compound (I), an aliphatic alcohol (II) having a number average molecular weight determined from the hydroxyl value of less than 300 and having only a hydroxyl group as a functional group, and a polyol (III) having a number average molecular weight determined from the hydroxyl value of not less than 300 and not more than 10,000. The isocyanate compound (I) includes not less than 90 mol % in total of an aliphatic isocyanate compound containing two isocyanate groups and/or an alicyclic isocyanate compound containing two isocyanate groups. The aliphatic alcohol (II) includes not less than 90 mol % of a C12 or lower aliphatic diol. The polyol (III) includes not less than 80 mol % of a copolymerized polycarbonate diol (IIIA) including a linear repeating structural unit represented by formula (A) and a repeating structural unit represented by formula (B).Type: ApplicationFiled: October 21, 2021Publication date: February 10, 2022Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Ryo YAMASHITA, Teruhiko OHARA, Mitsuharu KOBAYASHI, Takayuki YAMANAKA
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Publication number: 20220041795Abstract: A thermoplastic polyurethane resin elastomer is obtained by reacting an isocyanate compound (I) containing ?90 mol % in total of an aliphatic and/or alicyclic isocyanate compound having two isocyanate groups, an aliphatic alcohol (II) having only a hydroxyl group as a functional group, and a polyol (III). The equivalent ratio of EIII:EI:EII is 1:2-6:1-5 with the proviso that 0.95?(EI)/((EII)+(EIII))?1.05, where EIII, EI, EII represent the hydroxyl equivalent, isocyanate equivalent, and hydroxyl equivalent of the polyol (III), isocyanate compound (I), and aliphatic alcohol (II), respectively. The aliphatic alcohol (II) has a Mn, which is a number average molecular weight determined from the hydroxyl value, of <300 and contains ?90 mol % of a C12 or lower aliphatic diol.Type: ApplicationFiled: October 21, 2021Publication date: February 10, 2022Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Ryo YAMASHITA, Mitsuharu KOBAYASHI, Takayuki YAMANAKA, Teruhiko OHARA
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Patent number: 11241793Abstract: A method estimates a position where an abnormality has occurred. The method for estimating a position where an abnormality has occurred in a robot includes an abnormality detection step of detecting occurrence of an abnormality, and a position detection step of detecting a position where the abnormality has occurred when the occurrence of the abnormality is detected in the abnormality detection step.Type: GrantFiled: October 2, 2018Date of Patent: February 8, 2022Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Ryo Yamashita, Toshikazu Sugimoto
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Publication number: 20210332238Abstract: A polyalkylene ether glycol composition including a polyalkylene ether glycol including an alkoxy group serving as a terminal group. The polyalkylene ether glycol composition has a hydroxyl value of 220 or more and 750 or less. The ratio of the number of alkoxy group terminals of the polyalkylene ether glycol included in the polyalkylene ether glycol composition to the number of hydroxyl group terminals of polyalkylene ether glycols included in the polyalkylene ether glycol composition is 0.00001 or more and 0.0040 or less. Provided is a polyalkylene ether glycol composition having excellent compatibility with low-molecular-weight polyols, having suitable reactivity when used as a raw material for polyurethanes, and capable of achieving intended physical properties.Type: ApplicationFiled: July 12, 2021Publication date: October 28, 2021Applicant: Mitsubishi Chemical CorporationInventors: Gaku TESHIMA, Ryo YAMASHITA, Shohei TANIGUCHI