Patents by Inventor Takuya Tanaka
Takuya Tanaka 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: 11294158Abstract: The zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the second lens group, the third lens group, and the fourth lens group move. The first lens group consists of, in order from an object side, a negative first a lens group, a positive first b lens group that moves during focusing, and a positive first c lens group. The second lens group includes one positive lens and one or more negative lenses successively in order from a most object side to an image side.Type: GrantFiled: March 24, 2020Date of Patent: April 5, 2022Assignee: FUJIFILM CorporationInventors: Masanao Kawana, Yasutaka Shimada, Takuya Tanaka, Takuya Tanaka
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Publication number: 20220100433Abstract: An image forming device includes a receiving unit and a determining unit. The receiving unit is configured to receive an image to be printed. The determining unit is configured to determine whether the image received by the receiving unit complies with a condition predetermined to be satisfied for printing.Type: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Inventors: Takuya TANAKA, Takuji KAMADA, Kazuki TOKOYODA
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Patent number: 11280987Abstract: The zoom lens, in order from the object side, a positive first lens group that does not move during zooming, a negative second lens group that moves during zooming, a negative third lens group that moves during zooming, at least one lens group that moves during zooming, and a rear group that does not move during zooming. All distances between the lens groups adjacent to each other change during zooming. The zoom lens satisfies predetermined conditional expressions.Type: GrantFiled: August 15, 2019Date of Patent: March 22, 2022Assignee: FUJIFILM CorporationInventors: Motoari Ota, Masaru Yonezawa, Takuya Tanaka
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Patent number: 11272705Abstract: The present invention is directed to an aqueous herbicidal composition containing flumioxazin, pyroxasulfone, hydroxyethyl cellulose, and magnesium aluminum silicate. The present invention is further directed to a method of controlling weeds by applying compositions of the present invention.Type: GrantFiled: December 20, 2018Date of Patent: March 15, 2022Assignee: VALENT U.S.A., LLCInventor: Takuya Tanaka
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Patent number: 11262499Abstract: An arrayed waveguide, an input-side slab waveguide, an output-side slab waveguide, an input waveguide, and an output waveguide are included. Provided are a groove formed to extend in a direction crossing a plurality of the output waveguides, and an optical conversion unit made of a conversion material that converts near-infrared light to visible light, the groove being filled with the optical conversion unit. The conversion material is, for example, a phosphor or fluorescent substance that converts near-infrared light to visible light.Type: GrantFiled: October 15, 2019Date of Patent: March 1, 2022Assignee: Nippon Telegraph and Telephone CorporationInventor: Takuya Tanaka
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Publication number: 20220046922Abstract: Provided is a liquid pesticidal composition comprising: (a) a compound represented by the following formula (I); (b) a solvent having a water solubility at 25° C. of 1 mass % or less; (c) an ionic surfactant; and (d) a nonionic surfactant.Type: ApplicationFiled: December 2, 2020Publication date: February 17, 2022Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Takuya TANAKA
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Publication number: 20220003977Abstract: A zoom lens consisting of, in order from an object side to an image side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; an intermediate lens group that consists of one or two lens groups; and a final lens group, wherein during zooming, the second lens group moves along an optical axis, and all distances between adjacent lens groups change.Type: ApplicationFiled: June 23, 2021Publication date: January 6, 2022Applicant: FUJIFILM CorporationInventors: Yasutaka SHIMADA, Takuya TANAKA, Takashi KUNUGISE
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Publication number: 20210396977Abstract: The variable magnification optical system consists of a positive first lens group, an intermediate group, and a subsequent group in order from an object side to an image side, and does not form an intermediate real image in the entire zooming range. During zooming in a first zooming mode, a distance between the first lens group and the intermediate group changes, all distances between adjacent lens groups in the intermediate group change, a distance between the intermediate group and the subsequent group changes, and all distances between adjacent lens groups in the subsequent group are stationary. During zooming in the second zooming mode, all lens groups in the first lens group and the intermediate group are stationary, and all the distances of the adjacent lens groups in the subsequent group change. The zooming in the first zooming mode and the zooming in the second zooming mode can be independent.Type: ApplicationFiled: June 18, 2021Publication date: December 23, 2021Applicant: FUJIFILM CorporationInventors: Takuya TANAKA, Shinkichi IKEDA
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Publication number: 20210381444Abstract: An object of the present invention is to provide an electronically controlled throttle device having a structure in which a resin cover is separated into a cover body portion and a connector portion, and has improved watertightness without increasing the size of the device. The electronically controlled throttle device of the present invention includes a motor 2, a throttle valve 4, a chassis 1, a resin cover 12, and a circuit board 104. The resin cover 12 has a first cover portion 12-1, a second cover portion 12-2, and a conductive wire 22 provided at a connection portion between the first cover portion 12-1 and the second cover portion 12-2. The connection portion is joined by forming a molten portion 23 around the conductive wire 22.Type: ApplicationFiled: July 3, 2019Publication date: December 9, 2021Applicant: Hitachi Automotive Systems, Ltd.Inventors: Hidefumi HATSUZAWA, Takuya TANAKA, Toyoshi NEMOTO
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Publication number: 20210373233Abstract: A wavelength checker includes an optical waveguide chip. A known arrayed-waveguide diffraction grating is formed on the optical waveguide chip. The wavelength checker includes a light conversion unit made of a conversion material that converts infrared light into visible light. The light conversion unit is arranged on an output side of a plurality of first output waveguides of the optical waveguide chip to be capable of receiving light emitted from the plurality of first output waveguides. The light conversion unit is formed on a side surface of a support facing an output end surface of the optical waveguide chip. The support is fixed to a main board.Type: ApplicationFiled: November 8, 2019Publication date: December 2, 2021Applicant: Nippon Telegraph and Telephone CorporationInventors: Takuya Tanaka, Hiroshi Ishikawa, Kota Shikama
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Publication number: 20210356665Abstract: An arrayed waveguide, an input-side slab waveguide, an output-side slab waveguide, an input waveguide, and an output waveguide are included. Provided are a groove formed to extend in a direction crossing a plurality of the output waveguides, and an optical conversion unit made of a conversion material that converts near-infrared light to visible light, the groove being filled with the optical conversion unit. The conversion material is, for example, a phosphor or fluorescent substance that converts near-infrared light to visible light.Type: ApplicationFiled: October 15, 2019Publication date: November 18, 2021Inventor: Takuya Tanaka
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Patent number: 11125986Abstract: The zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the second lens group, the third lens group, and the fourth lens group move. The fourth lens group includes a plurality of positive lenses and a negative lens disposed on a most-image-side. Assuming that an average value of Abbe numbers in positive lenses within the fourth lens group is vdp and an Abbe number of a negative lens disposed on a most-image-side of the fourth lens group is vdn, the zoom lens satisfies a conditional expression: 0<vdp?vdn<15.Type: GrantFiled: March 24, 2020Date of Patent: September 21, 2021Assignee: FUJIFILM CorporationInventors: Takuya Tanaka, Takuya Tanaka
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Patent number: 11125985Abstract: The zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the second lens group, the third lens group, and the fourth lens group move. The second lens group has a negative lens and a cemented lens successively in order from a most object side to an image side. The cemented lens of the second lens group has a first negative lens and a first positive lens successively in order from an object side to an image side. A predetermined conditional expression for the first positive lens is satisfied.Type: GrantFiled: March 23, 2020Date of Patent: September 21, 2021Assignee: FUJIFILM CorporationInventors: Takuya Tanaka, Takuya Tanaka
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Patent number: 11099364Abstract: A zoom lens consists of a positive first lens group that is fixed during zooming, a negative second lens group that moves during zooming, a positive third lens group that moves during zooming, a positive fourth lens group that moves during zooming, and a positive fifth lens group that is fixed during zooming. During zooming from a wide angle end to a telephoto end, the fourth lens group moves from an image side to an object side, the second lens group and a composite group consisting of the third lens group and the fourth lens group pass through points where respective lateral magnifications are ?1 at the same time, the fifth lens group consists of a negative fifth A lens group that moves during anti-shake operation, and a positive fifth B lens group that is fixed during the anti-shake operation, and the lateral magnification of the fifth A lens group is negative.Type: GrantFiled: June 25, 2019Date of Patent: August 24, 2021Assignee: FUJIFILM CorporationInventors: Shinkichi Ikeda, Takuya Tanaka
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Publication number: 20210239901Abstract: A groove having any length is manufactured in a quartz-based waveguide chip without limitation of a chip size. A marker indicating a planned cutting line extending from a connection end surface of a quartz-based waveguide chip in an in-chip plane direction is formed in advance by processing a core layer of the waveguide of the quartz-based waveguide chip, an irradiation position of laser light is aligned with a position of a starting point of the marker in a state where quartz-based waveguide chip is placed on a stage, and a groove is manufactured in the connection end surface of the quartz-based waveguide chip by moving the stage in the extending direction of the marker while irradiating the quartz-based waveguide chip with the laser light from an upper side.Type: ApplicationFiled: June 20, 2019Publication date: August 5, 2021Inventors: Takuya Tanaka, Makoto Abe
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Publication number: 20210158224Abstract: A learning device is configured to perform learning by gradient boosting, and includes: data memory units configured to store learning data including a type of feature amount and corresponding gradient information; gradient output units each configured to receive an input of the feature amount and the corresponding gradient information from a corresponding one of the data memory units, and output the gradient information through an output port corresponding to each value of the input feature amount; an addition unit configured to add up one or more pieces of the gradient information corresponding to the same value of the feature amount, and output an added value of the gradient information corresponding to each value of the feature amount; and a histogram memory unit configured to store a histogram obtained by integrating added values of the gradient information corresponding to each value of the feature amount as a bin.Type: ApplicationFiled: June 7, 2019Publication date: May 27, 2021Inventors: Takuya TANAKA, Ryosuke KASAHARA
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Publication number: 20210012240Abstract: A learning device includes a learning unit configured to learn a model using learning data stored in a data storage unit; a subsampling unit configured to determine whether to use the learning data corresponding to gradient information updated by an update unit based on the model, for learning of a next model after learning of one model based on a subsampling rate; first and second buffer unit configured to buffer learning data determined to be used for and data determined not to be used for learning of the next model and gradient information corresponding to the learning data, respectively, up to a volume determined in advance. The first buffer unit and the second buffer unit are configured to write the learning data and the gradient information into the data storage unit for each predetermined block when buffering the learning data and the gradient information up to the volume.Type: ApplicationFiled: June 16, 2020Publication date: January 14, 2021Inventors: Takuya Tanaka, Ryosuke Kasahara, Akira Kinoshita
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Patent number: 10838181Abstract: The zoom lens consists of, in order from the object side, a positive first lens group G1, a negative second lens group G2, a negative third lens group G3, a stop, and a positive fourth lens group G4. During zooming, the first lens group G1 and the fourth lens group G4 remain stationary, and the second lens group G2 and the third lens group G3 move. The first lens group G1 consists of, in order from the object side, a negative first lens group front group G1A that remains stationary during focusing, a positive first lens group intermediate group G1B that moves during focusing, and a positive first lens group rear group G1C that remains stationary during focusing. The following conditional expression relating to an Abbe number ?n1A2 of the second negative lens from the object side is satisfied: 65<?n1A2<110.Type: GrantFiled: August 23, 2018Date of Patent: November 17, 2020Assignee: FUJIFILM CorporationInventors: Yasutaka Shimada, Takuya Tanaka
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Patent number: 10838180Abstract: A zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the first lens group is fixed, and distances between the respective lens groups change in predetermined manners. The first lens group consists of, in order from the object side, a negative lens group fixed during focusing, a positive lens group movable during focusing, and a positive lens group fixed during focusing. The lens group has on the most image side four lenses of, in order from the object side, a positive lens, a cemented lens in which a negative meniscus lens having a convex surface facing the object side and a positive lens are cemented, and a positive meniscus lens having a convex surface facing the object side.Type: GrantFiled: September 24, 2018Date of Patent: November 17, 2020Assignee: FUJIFILM CorporationInventors: Takuya Tanaka, Motoari Ota
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Publication number: 20200310090Abstract: The zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the second lens group, the third lens group, and the fourth lens group move. The first lens group consists of, in order from an object side, a negative first a lens group, a positive first b lens group that moves during focusing, and a positive first c lens group. A most-image-side lens of the first b lens group is a negative meniscus lens having a convex surface facing an object side.Type: ApplicationFiled: March 23, 2020Publication date: October 1, 2020Applicant: FUJIFILM CorporationInventors: Takuya TANAKA, Takuya TANAKA, Masanao KAWANA, Yasutaka SHIMADA