Patents by Inventor Kenichi Harada
Kenichi Harada 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: 10754083Abstract: An optical sheet for a backlight unit for guiding toward a front face side rays of light emitted by an LED light source. The optical sheet includes one or more resin layers. Ultrafine grooves oriented in specific directions are provided on a front face side or a back face side of at least one resin layer of the one or more resin layers. An average number of the ultrafine grooves per unit length in a direction perpendicular to an average orientation of the ultrafine grooves is preferably no less than 10/mm and no greater than 10,000/mm. A face of the at least one resin layer provided with the ultrafine grooves preferably has an arithmetic average roughness (Ra) in a direction perpendicular to an orientation of the ultrafine grooves being no less than 0.01 ?m and no greater than 5 ?m. Ultrafine grooves preferably constitute a diffraction grating.Type: GrantFiled: December 13, 2016Date of Patent: August 25, 2020Assignee: Keiwa Inc.Inventors: Kenichi Harada, Yoshitada Namikawa, Tadayoshi Fukuda, Yuki Matsuno
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Patent number: 10539721Abstract: A diffusion sheet includes a resin base layer that is light transmissive and a light diffusion layer provided on one surface of the resin base layer, and including titanium oxide particles, resin beads and a binder resin. The percentage by mass of the titanium oxide particle in the binder resin is 190 to 250% by mass, and the light diffusion layer has a mass per unit area of 6.0 to 7.0 g/m2.Type: GrantFiled: January 14, 2019Date of Patent: January 21, 2020Assignee: Keiwa Inc.Inventors: Tadayuki Nonaka, Hironobu Imakita, Kenichi Harada
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Patent number: 10466405Abstract: Provided is a prism sheet for a backlight unit capable of attaining desired luminance in the front direction, and securing a sufficient viewing angle in the direction perpendicular to the orientation direction of the prism array. The prism sheet comprises one or more resin layers, an outermost resin layer of the one or more resin layers comprising a prism array, wherein on a surface of at least one of the one or more resin layers, micro linear grooves are formed to be parallel to, or to intersect at an acute angle with, an orientation direction of the prism array. An average number of existing micro linear grooves per unit length in a direction perpendicular to an average orientation direction of the micro linear grooves is preferably no less than 30/mm and no greater than 10,000/mm. The micro linear grooves are preferably irregular in length, width or pitch.Type: GrantFiled: June 14, 2017Date of Patent: November 5, 2019Assignee: Keiwa Inc.Inventors: Kenichi Harada, Yoshitada Namikawa, Tadayoshi Fukuda, Yuki Matsuno
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Patent number: 10459151Abstract: An optical sheet for a liquid crystal display device has functions of condensing rays of light with respect to a specific direction in a plane of the optical sheet, and diffusing rays of light with respect to a direction perpendicular to the specific direction. A backlight unit for a liquid crystal display device includes: a light guide film for guiding rays of light incident on an end face of the light guide film toward a front face side; at least one LED light source disposed along the end face of the light guide film; the optical sheet disposed on the front face side; and a prism sheet disposed on a front face of the optical sheet, with the specific direction being parallel to a direction of rays of light emitted by the at least one LED light source and perpendicular to a direction of prism rows of the prism sheet.Type: GrantFiled: December 28, 2017Date of Patent: October 29, 2019Assignee: Keiwa Inc.Inventors: Kenichi Harada, Yoshitada Namikawa, Tadayoshi Fukuda, Yuki Matsuno
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Patent number: 10433709Abstract: An image display device includes: a storage unit that stores imaging information including an endoscopic image of an imaging target organ; a connection relationship setting unit that sets a connection relationship between a plurality of endoscopic images stored in the storage unit based on the imaging information; a landmark image detection unit that detects a landmark image including a predetermined anatomical landmark as defined herein; a mapping unit that assigns the landmark image detected by the landmark image detection unit to a landmark portion of a virtual model corresponding to the imaging target organ and that assigns the plurality of endoscopic images stored in the storage unit to corresponding portions of the virtual model using the connection relationship set by the connection relationship setting unit with the landmark image as a base point; a map image generation unit as defined herein; and a display control unit as defined herein.Type: GrantFiled: September 28, 2017Date of Patent: October 8, 2019Assignee: FUJIFILM CorporationInventors: Kenichi Harada, Yuichi Teramura, Kunimasa Shimizu
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Patent number: 10386567Abstract: An optical sheet for a liquid crystal display device includes a plurality of protruding portions provided scatteredly on a back face, in which the protruding portions each have a flattened semi-spherical shape or a flattened conical shape with a rounded apex. The protruding portions may each have a half spheroidal shape. An occupancy area ratio of the plurality of protruding portions may be no less than 2% and no greater than 80%. An average diameter of the protruding portions may be no less than 5 ?m and no greater than 60 ?m, and an average height of the protruding portions may be no less than 0.5 ?m. A diffraction grating shape with multiple rows that are oriented in a single direction on the back face in a region where the plurality of protruding portions are absent.Type: GrantFiled: May 15, 2017Date of Patent: August 20, 2019Assignee: Keiwa Inc.Inventors: Kenichi Harada, Yoshitada Namikawa, Tadayoshi Fukuda, Yuki Matsuno
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Publication number: 20190219744Abstract: A diffusion sheet includes a resin base layer that is light transmissive and a light diffusion layer provided on one surface of the resin base layer, and including titanium oxide particles, resin beads and a binder resin. The percentage by mass of the titanium oxide particle in the binder resin is 190 to 250% by mass, and the light diffusion layer has a mass per unit area of 6.0 to 7.0 g/m2.Type: ApplicationFiled: January 14, 2019Publication date: July 18, 2019Inventors: Tadayuki Nonaka, Hironobu Imakita, Kenichi Harada
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Publication number: 20180364411Abstract: An optical sheet for a backlight unit for guiding toward a front face side rays of light emitted by an LED light source. The optical sheet includes one or more resin layers. Ultrafine grooves oriented in specific directions are provided on a front face side or a back face side of at least one resin layer of the one or more resin layers. An average number of the ultrafine grooves per unit length in a direction perpendicular to an average orientation of the ultrafine grooves is preferably no less than 10/mm and no greater than 10,000/mm. A face of the at least one resin layer provided with the ultrafine grooves preferably has an arithmetic average roughness (Ra) in a direction perpendicular to an orientation of the ultrafine grooves being no less than 0.01 ?m and no greater than 5 ?m. Ultrafine grooves preferably constitute a diffraction grating.Type: ApplicationFiled: December 13, 2016Publication date: December 20, 2018Inventors: Kenichi HARADA, Yoshitada NAMIKAWA, Tadayoshi FUKUDA, Yuki MATSUNO
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Patent number: 10107148Abstract: A valve rotation includes: a first sheet member that extends toward a surrounding of a valve stem under a condition that a rotation action of the first sheet member is suppressed with respect to a cylinder head, and a second sheet member that faces to the first sheet member, that is capable of rotating with respect to the first sheet member and is subjected to a load for opening the valve; a force conversion structure that converts the load for opening the valve applied to the second sheet member into a rotation force.Type: GrantFiled: February 17, 2015Date of Patent: October 23, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shouji Katsumata, Kenichi Harada, Toshihisa Sugiyama
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Publication number: 20180299777Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin (A) having a glass transition temperature of 155° C. or higher, a compound (B) having a glass transition temperature of 150° C. or lower, and a solvent (C). A solid content in the actinic ray-sensitive or radiation-sensitive resin composition is 20% by mass or more. A softening point of the resist pattern formed using the actinic ray-sensitive or radiation-sensitive resin composition is from 130° C. to 170° C.Type: ApplicationFiled: June 22, 2018Publication date: October 18, 2018Applicant: FUJIFILM CorporationInventors: Takamitsu TOMIGA, Kenichi HARADA, Shinichi SUGIYAMA, Fumihiro YOSHINO, Shuji HIRANO
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Patent number: 10102948Abstract: A chip resistor includes first and second electrodes spaced apart from each other, a resistor element arranged on the first and the second electrodes, a bonding layer provided between the resistor element and the two electrodes, and a plating layer electrically connected to the resistor element. The first electrode includes a flat outer side surface, and the resistor element includes a side surface facing in the direction in which the thirst and the second electrodes are spaced. The outer side surface of the first electrode is flush with the side surface of the resistor element. The plating layer covers at least a part of the outer side surface of the first electrode in a manner such that the covering portion of the plating layer extends from one vertical edge of the outer side surface to the other vertical edge.Type: GrantFiled: December 14, 2017Date of Patent: October 16, 2018Assignee: ROHM CO., LTD.Inventors: Kenichi Harada, Masaki Yoneda
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Publication number: 20180217497Abstract: The present invention provides a pattern forming method which can be suitably applied to grayscale exposure since a deviation of the thickness among production lots is hardly generated, and an actinic ray-sensitive or radiation-sensitive resin composition. The pattern forming method of the present invention is a pattern forming method having a step A of forming a film having a thickness T on a substrate, using an actinic ray-sensitive or radiation-sensitive resin composition including a resin whose solubility in a developer changes by the action of an acid and an acid generator, a step B of exposing the film, and a step C of developing the exposed film using a developer to form a pattern, in which the film formed in the step A satisfies at least one of the following condition 1 or 2. Condition 1: In a case where the thickness T of the film is 800 nm or more, the value of ? is less than 10,000. Condition 2: In a case where the thickness T of the film is less than 800 nm, the value of ? is less than 5,000.Type: ApplicationFiled: March 29, 2018Publication date: August 2, 2018Applicant: FUJIFILM CorporationInventors: Fumihiro YOSHINO, Kenichi HARADA, Shinichi SUGIYAMA, Takamitsu TOMIGA
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Patent number: 10028049Abstract: Provided are headphones with left and right sliders in linkage with each other. The headphones includes: a head band; a first slider that is provided on one end side of the head band and slides with respect to the head band; a second slider that is provided on the other end side of the head band and slides with respect to the head band; a connecting portion that connects the first slider and the second slider and slides the second slider in linkage with a slide operation of the first slider; and a pair of housings that are provided on the first slide portion and the second slide portion, respectively, and each house a sound output unit.Type: GrantFiled: June 17, 2015Date of Patent: July 17, 2018Assignee: Sony CorporationInventors: Takeshi Inoue, Tomohiro Ito, Hideto Yamamoto, Hisahiro Tanaka, Hirokazu Nishihara, Kenji Yamada, Eiji Kuwahara, Kenichi Harada
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Publication number: 20180180794Abstract: An optical sheet for a liquid crystal display device has functions of condensing rays of light with respect to a specific direction in a plane of the optical sheet, and diffusing rays of light with respect to a direction perpendicular to the specific direction. A backlight unit for a liquid crystal display device includes: a light guide film for guiding rays of light incident on an end face of the light guide film toward a front face side; at least one LED light source disposed along the end face of the light guide film; the optical sheet disposed on the front face side; and a prism sheet disposed on a front face of the optical sheet, with the specific direction being parallel to a direction of rays of light emitted by the at least one LED light source and perpendicular to a direction of prism rows of the prism sheet.Type: ApplicationFiled: December 28, 2017Publication date: June 28, 2018Inventors: Kenichi Harada, Yoshitada Namikawa, Tadayoshi Fukuda, Yuki Matsuno
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Patent number: 9977171Abstract: An optical waveguide sheet for use in an edge-lit backlight unit is provided, that allows rays of light to enter the end face and emits the rays of light from the front face substantially uniformly. The optical waveguide sheet includes, on the back side thereof: a plurality of recessed portions falling toward the front face side; and a plurality of raised portions each provided around each of the plurality of recessed portions and projecting toward the back face side. The optical waveguide sheet preferably has an average thickness of no less than 100 ?m and no greater than 600 ?m, and is preferably used as a light guide film. The optical waveguide sheet preferably has an average thickness of no less than 100 ?m and no greater than 600 ?m, and is preferably used as a light guide film.Type: GrantFiled: February 19, 2015Date of Patent: May 22, 2018Assignee: Keiwa Inc.Inventors: Hironori Nakashima, Kenichi Harada
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Patent number: 9966170Abstract: A shunt resistor includes a resistive body and a pair of electrodes each bonded to the resistive body. The resistive body has an obverse surface and a reverse surface that face in mutually opposite directions. The two electrodes are separate from each other in a first direction perpendicular to the thickness direction of the resistive body. The resistive body has two ends separate from each other in the first direction. The obverse surface of the resistive body includes a pair of intentionally curved portions that are located at the two ends of the resistive body.Type: GrantFiled: March 15, 2017Date of Patent: May 8, 2018Assignee: ROHM CO., LTD.Inventor: Kenichi Harada
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Publication number: 20180108459Abstract: A chip resistor includes first and second electrodes spaced apart from each other, a resistor element arranged on the first and the second electrodes, a bonding layer provided between the resistor element and the two electrodes, and a plating layer electrically connected to the resistor element. The first electrode includes a flat outer side surface, and the resistor element includes a side surface facing in the direction in which the thirst and the second electrodes are spaced. The outer side surface of the first electrode is flush with the side surface of the resistor element. The plating layer covers at least a part of the outer side surface of the first electrode in a manner such that the covering portion of the plating layer extends from one vertical edge of the outer side surface to the other vertical edge.Type: ApplicationFiled: December 14, 2017Publication date: April 19, 2018Inventors: Kenichi HARADA, Masaki YONEDA
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Publication number: 20180084970Abstract: An image display device includes: a storage unit that stores imaging information including an endoscopic image of an imaging target organ; a connection relationship setting unit that sets a connection relationship between a plurality of endoscopic images stored in the storage unit based on the imaging information; a landmark image detection unit that detects a landmark image including a predetermined anatomical landmark as defined herein; a mapping unit that assigns the landmark image detected by the landmark image detection unit to a landmark portion of a virtual model corresponding to the imaging target organ and that assigns the plurality of endoscopic images stored in the storage unit to corresponding portions of the virtual model using the connection relationship set by the connection relationship setting unit with the landmark image as a base point; a map image generation unit as defined herein; and a display control unit as defined herein.Type: ApplicationFiled: September 28, 2017Publication date: March 29, 2018Applicant: FUJIFILM CorporationInventors: Kenichi HARADA, Yuichi TERAMURA, Kunimasa SHIMIZU
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Patent number: 9881719Abstract: A chip resistor includes first and second electrodes spaced apart from each other, a resistor element arranged on the first and the second electrodes, a bonding layer provided between the resistor element and the two electrodes, and a plating layer electrically connected to the resistor element. The first electrode includes a flat outer side surface, and the resistor element includes a side surface facing in the direction in which the thirst and the second electrodes are spaced. The outer side surface of the first electrode is flush with the side surface of the resistor element. The plating layer covers at least a part of the outer side surface of the first electrode in a manner such that the covering portion of the plating layer extends from one vertical edge of the outer side surface to the other vertical edge.Type: GrantFiled: June 21, 2017Date of Patent: January 30, 2018Assignee: ROHM CO., LTD.Inventors: Kenichi Harada, Masaki Yoneda
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Publication number: 20170357047Abstract: Provided is a prism sheet for a backlight unit capable of attaining desired luminance in the front direction, and securing a sufficient viewing angle in the direction perpendicular to the orientation direction of the prism array. The prism sheet comprises one or more resin layers, an outermost resin layer of the one or more resin layers comprising a prism array, wherein on a surface of at least one of the one or more resin layers, micro linear grooves are formed to be parallel to, or to intersect at an acute angle with, an orientation direction of the prism array. An average number of existing micro linear grooves per unit length in a direction perpendicular to an average orientation direction of the micro linear grooves is preferably no less than 30/mm and no greater than 10,000/mm. The micro linear grooves are preferably irregular in length, width or pitch.Type: ApplicationFiled: June 14, 2017Publication date: December 14, 2017Inventors: Kenichi HARADA, Yoshitada NAMIKAWA, Tadayoshi FUKUDA, Yuki MATSUNO