Patents by Inventor Hiroyuki Nakagawa
Hiroyuki Nakagawa 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).
-
Patent number: 11966008Abstract: The present invention provides an optical film having a liquid crystal layer having excellent durability, and a liquid crystal film. The optical film of the present invention has an organic base material and a liquid crystal layer disposed on the organic base material, the liquid crystal layer contains a photo-alignment compound, and in the liquid crystal layer, the photo-alignment compound is unevenly distributed on a side of the organic base material.Type: GrantFiled: August 1, 2022Date of Patent: April 23, 2024Assignee: FUJIFILM CorporationInventors: Kazushige Nakagawa, Hideyuki Nishikawa, Masato Nakao, Shunya Katoh, Hiroyuki Hagio, Yutaka Nozoe, Kunihiro Kasezawa, Yuki Nakamura
-
Publication number: 20240128294Abstract: An image reading device includes a plurality of light receiving parts arrayed regularly, a first light blocking member including a plurality of first openings arrayed corresponding respectively to the plurality of light receiving parts, and a plurality of microlenses arrayed corresponding respectively to the plurality of first openings. Each light receiving part included in the plurality of light receiving parts includes a plurality of light receiving pixels arrayed in a first direction as a main scanning direction. Each microlens included in the plurality of microlenses is object side telecentric. The plurality of microlenses, the first light blocking member and the plurality of light receiving parts are arranged so that light reflected by an object and passing through the microlens and the first opening corresponding to the microlens enters the plurality of light receiving pixels included in the light receiving part corresponding to the first opening.Type: ApplicationFiled: February 25, 2021Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki KAWANO, Naoki NAKAGAWA, Takeshi ONO, Shigeru TAKUSHIMA, Naoyuki TOKIDA, Akira OTA, Miki SUGANO
-
Patent number: 11954546Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.Type: GrantFiled: May 25, 2021Date of Patent: April 9, 2024Assignees: SHIN-ETSU CHEMICAL CO., LTD., TOHOKU UNIVERSITYInventors: Masao Ando, Hiroyuki Yamazaki, Masaki Takeuchi, Masaru Nakagawa, Shunya Ito
-
Patent number: 11942489Abstract: An image reading device includes a plurality of light-receiving pixels configured to receive reflected light; a first light-shielding member including a plurality of first openings and disposed between the plurality of light-receiving pixels and a reference surface; a second light-shielding member including a plurality of second openings and disposed between the plurality of first openings and the reference surface; and a plurality of condenser lenses disposed at a distance from the plurality of second openings. The plurality of condenser lenses, the second light-shielding member, the first light-shielding member, and the plurality of light-receiving pixels are disposed at positions at which reflected light sequentially passes through one of the condenser lenses corresponding to each light-receiving pixel, one of the second openings corresponding to the each light-receiving pixel, and one of the first openings corresponding to the each light-receiving pixel and enters the each light-receiving pixel.Type: GrantFiled: September 5, 2019Date of Patent: March 26, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hiroyuki Kawano, Naoki Nakagawa, Takeshi Ono, Shigeru Takushima, Taisuke Makita, Naoyuki Tokida
-
Publication number: 20240098200Abstract: An image reading device (100) includes a first glass member (52), a plurality of condensing lenses (14) provided on a first surface (52a) of the first glass member (52), a first light blocking member (12) having a plurality of first openings (32) respectively corresponding to the plurality of condensing lenses (14), a second glass member (51) having a third surface (51a) in superimposition with the first light blocking member (12), a second light blocking member (11) having a plurality of second openings (31) respectively corresponding to the plurality of first openings (32), a third glass member (53) having a fifth surface (53a) in superimposition with the second light blocking member (11), a third light blocking member (15) having a plurality of third openings (34) respectively corresponding to the plurality of second openings (31), and a sensor unit (3) having a sensor substrate (9) and a plurality of light receiving pixels (10) arrayed in a predetermined array direction on the sensor substrate (9) and resType: ApplicationFiled: January 25, 2021Publication date: March 21, 2024Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki KAWANO, Naoki NAKAGAWA, Takeshi ONO, Shigeru TAKUSHIMA, Taisuke MAKITA, Naoyuki TOKIDA
-
Patent number: 11935998Abstract: A battery device comprises a nonaqueous electrolyte secondary battery provided with an electric power generating element and a pressing member which presses the electric power generating element in the stacking direction. The electric power generating element comprises: a positive electrode with a positive electrode active material layer of a positive electrode active material on the surface of a positive electrode collector; a negative electrode with a negative electrode active material layer of a negative electrode active material on the surface of a negative electrode collector; and a separator which holds an electrolyte solution. This battery device satisfies (1) 0.1<(T1?T2)/T1×100<5, where T1 is the thickness of the thickest portion of the electric power generating element in the stacking direction, and T2 is the thickness of the thinnest portion of the of the electric power generating element in the stacking direction.Type: GrantFiled: May 22, 2019Date of Patent: March 19, 2024Assignee: Nissan Motor Co., Ltd.Inventors: Takamasa Nakagawa, Takeshi Nakano, Hiroyuki Tanaka, Yusuke Nakashima, Naofumi Shoji
-
Patent number: 11878887Abstract: A sheet feeding apparatus includes an apparatus body including an opening portion, a storage configured to store a sheet, a pickup roller configured to pick up and feed the sheet, a separation conveyance unit including a separation nip, and a guide member including a guiding surface configured to guide the sheet such that the sheet passes under an upper edge of the opening portion while the storage is being drawn out of the apparatus body. A downstream end of the guiding surface in a sheet feeding direction is positioned downstream of the separation nip in the sheet feeding direction. An upstream end of the guiding surface in the sheet feeding direction is positioned upstream in the sheet feeding direction of a leading-edge position of the sheet stored in the storage.Type: GrantFiled: March 21, 2022Date of Patent: January 23, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Hiroyuki Nakagawa, Hajime Sekiguchi
-
Publication number: 20230382669Abstract: An image forming apparatus includes an image forming portion, a tray rotatably provided on a side surface of a main assembly and including a stacking surface, a feeding portion; and a blowing fan mounted on the tray and generating air blown to a side end of a sheet in a sheet widthwise direction perpendicular to a feeding direction of the sheet by the feeding portion. The blowing fan is disposed on an opposite side to a side where the sheet is stacked on the stacking surface so that a position of at least a part of the blowing fan with respect to the sheet widthwise direction is overlapped with a position of the stacking surface with respect to the sheet widthwise direction.Type: ApplicationFiled: May 1, 2023Publication date: November 30, 2023Inventors: SHINGO IWAMI, HIROTO KOGA, TOSHIFUMI ITABASHI, KOZO INOUE, HIROYUKI NAKAGAWA
-
Publication number: 20230382671Abstract: A sheet feeding apparatus includes a supporting portion configured to support sheets, a feeding member configured to feed the sheets, an air blower unit configured to blow air to separate the sheets, and a side end regulating member including a regulating surface, an air outlet port through which the air from the air blower unit is blown out, a first restriction member movable to a protruding position and to a retracting position, and a second restriction member disposed downstream of the first restriction member in the feeding direction, the second restriction member being fixed to a position where the second restriction member protrudes inward in the sheet width direction with respect to the regulating surface so as to restrict the excessive floating of the sheets.Type: ApplicationFiled: May 23, 2023Publication date: November 30, 2023Inventor: HIROYUKI NAKAGAWA
-
Patent number: 11643292Abstract: A sheet feeding device includes a sheet feeding portion, a side end regulating portion, a feeding portion, first and second feeding roller pairs, an abutment member, an obliquely feeding roller pair, and first and second contact-and-separation mechanisms. Feeding of a long sheet is stopped after the sheet is fed to an upstream side of the second feeding roller pair by the feeding portion, and then is resumed in a state in which the first feeding roller pair is changed from a separated state to a feedable state and in a state in which the obliquely feeding roller pair is put in a separated state, and then the sheet is fed to the second feeding roller pair. A short sheet fed by the first feeding roller pair is obliquely fed by the obliquely feeding roller pair and then is fed to the second feeding roller pair.Type: GrantFiled: March 12, 2021Date of Patent: May 9, 2023Assignee: Canon Kabushiki KaishaInventors: Hiroyuki Nakagawa, Isao Kannari, Hiroshi Saito, Keitaro Taoka, Hajime Sekiguchi, Kouyou Tamura, So Matsumoto
-
Patent number: 11643289Abstract: A sheet feeding apparatus includes a swing shaft to swingably support a support member, an urging member to urge a rotary separation member toward a rotary feeding member, a frame member including a first support portion to fix a first end portion of the swing shaft and a second support portion to movably support a second end portion of the swing shaft, and an adjustment mechanism having an extended opening formed in the second support portion and a fixing member configured to fix the second end portion of the swing shaft to a frame member through the extended opening. The extended opening is extended in a vertical direction and the second end portion of the swing shaft can be fixed at a plurality of positions which vary in the vertical direction to the second support portion with the fixing member.Type: GrantFiled: May 1, 2020Date of Patent: May 9, 2023Assignee: CANON KABUSHIKI KAISHAInventor: Hiroyuki Nakagawa
-
Patent number: 11618999Abstract: Provided is a rope including a load supporting member and a covering member covering an outer periphery of the load supporting member. The load supporting member includes: an impregnation material and reinforcement fiber bodies, which continuously extend in a longitudinal direction of the rope, are embedded in the impregnation material, and are configured to support a load acting in the longitudinal direction. The reinforcement fiber bodies include corrugated reinforcement fiber bodies which have, at least in part, a corrugated shape in a section parallel to the longitudinal direction. The corrugated reinforcement fiber bodies have such a length that a total length thereof given when the corrugated reinforcement fiber bodies are straightened is equal to or larger than 1.1 times a total length of the load supporting member.Type: GrantFiled: August 21, 2017Date of Patent: April 4, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Masaya Sera, Hiroyuki Nakagawa, Haruhiko Kakutani
-
Patent number: 11616886Abstract: An image formation apparatus to form an image on a sheet having a width direction includes a separation and feed roller pair having a feed roller, a conveyance roller pair having a driving roller, and a pair of conveyance guides having inner and outer guides. A part of the inner guide overhangs toward an outer guide side from an external common tangent of the feed roller and the driving roller. Points of intersection with the feed roller on the external common tangent are designated as first intersection points and points of intersection with the driving roller on the external common tangent are designated as second intersection points. When ends of the feed and driving rollers serve as vertexes, a guide surface of the inner guide is linearly continuous in the width direction in an inner region on the guide surface of the inner guide formed by connecting the vertexes.Type: GrantFiled: January 19, 2022Date of Patent: March 28, 2023Assignee: Canon Kabushiki KaishaInventors: Toshifumi Itabashi, Hiroto Koga, Hiroyuki Nakagawa, Ryo Hashizume, Sho Ota
-
Patent number: 11572244Abstract: An image forming apparatus includes a first supporting member supporting a long sheet, a feeding unit for feeding the long sheet supported by the first supporting member with respect to a feeding direction and a second supporting member, rotatable about a rotational shaft, for supporting the long sheet with the first supporting member. In a state in which the sheet is bent so that a first portion of the long sheet is supported by the first supporting member and a second portion which is a more rear side than the first portion is positioned above the first portion, the second supporting member is movable between a first position where the second supporting member supports the second portion of the sheet and a second position where the center of gravity of the second supporting member is positioned downstream of a rotational center with respect to the feeding direction and the second supporting member maintains an attitude thereof by its own weight.Type: GrantFiled: March 17, 2021Date of Patent: February 7, 2023Assignee: Canon Kabushiki KaishaInventors: Keitaro Taoka, Hiroyuki Nakagawa, Isao Kannari, Hiroshi Saito, Hajime Sekiguchi
-
Patent number: 11536195Abstract: An engine room structure for a vehicle uses dividing portions of plural wall members forming a cover member, and can thereby easily form a through portion through which plural routing members are caused to pass by notch-shaped portions without forming a substantial through hole. An engine room structure for a vehicle, which includes a cover member covering an upper portion of an engine and in which a through portion is formed in the cover member, and plural routing members pass through the through portion. The cover member is divided into at least a first member and a second member, continuous notch-shaped portions are formed along a partial dividing line between the first member and the second member in either one of those, and the through portion for the plural routing members is formed with the notch-shaped portions of the one member and an end portion of the other member.Type: GrantFiled: January 28, 2021Date of Patent: December 27, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Hiroyuki Nakagawa, Kazuki Yamauchi, Takafumi Sakai, Satoshi Kusumoto
-
Patent number: 11484280Abstract: A radiographic image capturing system is described. If a hardware processor determines that an image processor and an image analyzing unit are capable of sharing image data via an identical memory, the image processor stores image data in the memory and the image analyzing unit analyzes the image data with reference to the memory. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wired network, the image processor transfers the data to the image analyzing unit, and the image analyzing unit analyzes the data. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wireless network, the image processor compresses the data or decimates partial data and transfers the data to the image analyzing unit, and the image analyzing unit decompresses and analyzes the data.Type: GrantFiled: December 1, 2020Date of Patent: November 1, 2022Assignee: Konica Minolta, Inc.Inventors: Masahiro Kuwata, Hidetake Tezuka, Satoshi Komiya, Nobuyuki Miyake, Hiroyuki Nakagawa, Ichirou Hamamoto, Shintaro Muraoka, Kazuhiko Katsushima, Tomoyasu Yokoyama, Akira Hiroshige, Takanori Kakigi, Tomoya Ogawa, Tetsu Hosoki, Tomonori Gido, Makoto Sumi
-
Patent number: 11487234Abstract: A sheet accommodating apparatus includes an apparatus body, a first cassette to be drawn out in a draw-out direction with respect to the apparatus body, a second cassette disposed adjacent to the first cassette in a vertical direction, a holder member attached to the apparatus body, and a first light emitting member and a second light emitting member that are supported by the holder member. The first cassette includes a first accommodating container and a first cover. The second cassette includes a second accommodating container and a second cover. The first cover has a first hole in a position opposing the first light emitting member such that the light emitted from the first light emitting member passes therethrough. The second cover has a second hole provided in a position opposing the second light emitting member such that the light emitted from the second light emitting member passes therethrough.Type: GrantFiled: May 14, 2021Date of Patent: November 1, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Keitaro Taoka, Misaki Shiozawa, Hajime Sekiguchi, Isao Kannari, Hiroyuki Nakagawa, Kouyou Tamura
-
Patent number: 11474378Abstract: Provided is a test method performed using a lens which comes into contact with a human body during use, the test method including the steps of: providing a membrane member including a membrane swellable upon absorbing water and a supporting base having an annular shape to support an outer periphery of the membrane; allowing cells to adhere on the membrane of the membrane member; and bringing the membrane to which the cells are adhered into close contact with the surface of the lens, by immersing the membrane member and the lens into a liquid and deforming the membrane in a swollen state along the surface of the lens.Type: GrantFiled: December 19, 2018Date of Patent: October 18, 2022Assignee: TOYODA GOSEI CO., LTD.Inventors: Seitaro Taki, Yasuhiko Shinoda, Hiroyuki Nakagawa, Rie Kimura
-
Publication number: 20220315361Abstract: A sheet feeding apparatus includes an apparatus body including an opening portion, a storage configured to store a sheet, a pickup roller configured to pick up and feed the sheet, a separation conveyance unit including a separation nip, and a guide member including a guiding surface configured to guide the sheet such that the sheet passes under an upper edge of the opening portion while the storage is being drawn out of the apparatus body. A downstream end of the guiding surface in a sheet feeding direction is positioned downstream of the separation nip in the sheet feeding direction. An upstream end of the guiding surface in the sheet feeding direction is positioned upstream in the sheet feeding direction of a leading-edge position of the sheet stored in the storage.Type: ApplicationFiled: March 21, 2022Publication date: October 6, 2022Inventors: Hiroyuki Nakagawa, Hajime Sekiguchi
-
Publication number: 20220239793Abstract: An image formation apparatus to form an image on a sheet having a width direction includes a separation and feed roller pair having a feed roller, a conveyance roller pair having a driving roller, and a pair of conveyance guides having inner and outer guides. A part of the inner guide overhangs toward an outer guide side from an external common tangent of the feed roller and the driving roller. Points of intersection with the feed roller on the external common tangent are designated as first intersection points and points of intersection with the driving roller on the external common tangent are designated as second intersection points. When ends of the feed and driving rollers serve as vertexes, a guide surface of the inner guide is linearly continuous in the width direction in an inner region on the guide surface of the inner guide formed by connecting the vertexes.Type: ApplicationFiled: January 19, 2022Publication date: July 28, 2022Inventors: Toshifumi Itabashi, Hiroto Koga, Hiroyuki Nakagawa, Ryo Hashizume, Sho Ota