Patents by Inventor Kenji Hata
Kenji Hata 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: 20230251523Abstract: An illuminating unit includes: a plurality of light sources; a light-guide plate including an end surface disposed to face the plurality of light sources, a first surface that outputs light which is based on incident light from the end surface, and a second surface that faces the first surface and includes a plurality of convex parts; and an optical sheet adhered to side of the second surface of the light-guide plate, with the plurality of convex parts being interposed therebetween. The plurality of convex parts include a plurality of first convex parts disposed in a first region inside the second surface, and one or plurality of second convex parts disposed in at least a portion of a second region on a periphery of the first region inside the second surface.Type: ApplicationFiled: February 3, 2023Publication date: August 10, 2023Inventors: Kenji HATA, Yuji IWAI, Seiji HAYASHIMOTO, Yuji NAKAHATA
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Patent number: 11604381Abstract: An illuminating unit includes: a plurality of light sources; a light-guide plate including an end surface disposed to face the plurality of light sources, a first surface that outputs light which is based on incident light from the end surface, and a second surface that faces the first surface and includes a plurality of convex parts; and an optical sheet adhered to side of the second surface of the light-guide plate, with the plurality of convex parts being interposed therebetween. The plurality of convex parts include a plurality of first convex parts disposed in a first region inside the second surface, and one or plurality of second convex parts disposed in at least a portion of a second region on a periphery of the first region inside the second surface.Type: GrantFiled: July 25, 2022Date of Patent: March 14, 2023Assignee: SATURN LICENSING LLCInventors: Kenji Hata, Yuji Iwai, Seiji Hayashimoto, Yuji Nakahata
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Publication number: 20220357617Abstract: An illuminating unit includes: a plurality of light sources; a light-guide plate including an end surface disposed to face the plurality of light sources, a first surface that outputs light which is based on incident light from the end surface, and a second surface that faces the first surface and includes a plurality of convex parts; and an optical sheet adhered to side of the second surface of the light-guide plate, with the plurality of convex parts being interposed therebetween. The plurality of convex parts include a plurality of first convex parts disposed in a first region inside the second surface, and one or plurality of second convex parts disposed in at least a portion of a second region on a periphery of the first region inside the second surface.Type: ApplicationFiled: July 25, 2022Publication date: November 10, 2022Inventors: Kenji HATA, Yuji IWAI, Seiji HAYASHIMOTO, Yuji NAKAHATA
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Publication number: 20220357616Abstract: A display device includes a display unit that displays a biological image and a transparent protective plate disposed on a front surface of the display unit. In the display device, an uneven structure having unevenness with a pitch and a height smaller than a wavelength of visible light is formed on any one or more of a front surface side of the protective plate, a back surface side of the protective plate, and a front surface side of the display unit, and an anti-glare (AG) structure having an AG function is formed on any one or more of the front surface side of the protective plate, the back surface side of the protective plate, and the front surface side of the display unit. The present technology can be applied to a display device that displays a biological image.Type: ApplicationFiled: July 17, 2020Publication date: November 10, 2022Applicant: Sony Group CorporationInventor: Kenji HATA
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Patent number: 11428983Abstract: An illuminating unit includes: a plurality of light sources; a light-guide plate including an end surface disposed to face the plurality of light sources, a first surface that outputs light which is based on incident light from the end surface, and a second surface that faces the first surface and includes a plurality of convex parts; and an optical sheet adhered to side of the second surface of the light-guide plate, with the plurality of convex parts being interposed therebetween. The plurality of convex parts include a plurality of first convex parts disposed in a first region inside the second surface, and one or plurality of second convex parts disposed in at least a portion of a second region on a periphery of the first region inside the second surface.Type: GrantFiled: October 15, 2021Date of Patent: August 30, 2022Assignee: SATURN LICENSING LLCInventors: Kenji Hata, Yuji Iwai, Seiji Hayashimoto, Yuji Nakahata
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Publication number: 20220179262Abstract: An illuminating unit includes: a plurality of light sources; a light-guide plate including an end surface disposed to face the plurality of light sources, a first surface that outputs light which is based on incident light from the end surface, and a second surface that faces the first surface and includes a plurality of convex parts; and an optical sheet adhered to side of the second surface of the light-guide plate, with the plurality of convex parts being interposed therebetween. The plurality of convex parts include a plurality of first convex parts disposed in a first region inside the second surface, and one or plurality of second convex parts disposed in at least a portion of a second region on a periphery of the first region inside the second surface.Type: ApplicationFiled: October 15, 2021Publication date: June 9, 2022Applicant: Saturn Licensing LLCInventors: Kenji Hata, Yuji Iwai, Seiji Hayashimoto, Yuji Nakahata
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Patent number: 11143457Abstract: A heat exchanger includes: a duct having an inflow port and an outflow port; a core part; and a fix plate. The core part includes: a plurality of cooling plates, each of which having a first plate portion and a second plate portion stacked with each other; and a plurality of spacer plates. The fix plate is formed in a frame shape corresponding to open form of the inflow port and the outflow port, and is fixed to the inflow port and the outflow port. A tank is fixed to a side of the fix plate opposite from the duct. The core part has a unification part that unites a part of the spacer plate and a part of the cooling plate opposing the spacer plate.Type: GrantFiled: April 12, 2017Date of Patent: October 12, 2021Assignee: DENSO CORPORATIONInventor: Kenji Hata
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Patent number: 11084910Abstract: Provided is a cross-linked rubber that can improve long-term sealing properties of a seal member in high-temperature and high-pressure environments. The cross-linked rubber is obtained through cross-linking of a cross-linkable rubber composition containing a fluororubber, carbon black, one or more carbon nanotubes, and an organic peroxide cross-linker, and has a 50% modulus of 5 MPa or more, a compression set (230° C., 500 hours) of 80% or less, and a rate of change of elongation at break between before and after a heat aging test (230° C., 72 hours) of not less than ?10% and not more than 10%.Type: GrantFiled: June 6, 2018Date of Patent: August 10, 2021Assignee: ZEON CORPORATIONInventors: Masaaki Komatsu, Anna Komatsu, Seisuke Ata, Kenji Hata, Shigeki Tomonoh
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Publication number: 20210228185Abstract: An ultrasound diagnostic apparatus includes: a probe that receives an ultrasound signal reflected off an object; a processing unit that generates image information based on the ultrasound signal; and a liquid crystal display that displays the image information, wherein the liquid crystal display includes: a liquid crystal panel including a pair of substrates arranged in an opposing manner and a liquid crystal layer sandwiched between the pair of substrates; a pair of polarizing plates arranged on a light source side and a display surface side, respectively, of the panel and forming crossed Nicol prism; a first optical element in which a light-blocking layer and a light-transmitting layer are alternately and continuously arranged in a planar direction; and a second optical element having a surface scattering function arranged on the polarizing plate on the display surface side.Type: ApplicationFiled: August 26, 2019Publication date: July 29, 2021Applicant: Sony CorporationInventors: Kenji HATA, Seiji HAYASHIMOTO
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Publication number: 20200318914Abstract: A heat exchanger includes: a duct having an inflow port and an outflow port; a core part; and a fix plate. The core part includes: a plurality of cooling plates, each of which having a first plate portion and a second plate portion stacked with each other; and a plurality of spacer plates. The fix plate is formed in a frame shape corresponding to open form of the inflow port and the outflow port, and is fixed to the inflow port and the outflow port. A tank is fixed to a side of the fix plate opposite from the duct. The core part has a unification part that unites a part of the spacer plate and a part of the cooling plate opposing the spacer plate.Type: ApplicationFiled: April 12, 2017Publication date: October 8, 2020Inventor: Kenji HATA
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Publication number: 20200115512Abstract: Provided is a cross-linked rubber that can improve long-term sealing properties of a seal member in high-temperature and high-pressure environments. The cross-linked rubber is obtained through cross-linking of a cross-linkable rubber composition containing a fluororubber, carbon black, one or more carbon nanotubes, and an organic peroxide cross-linker, and has a 50% modulus of 5 MPa or more, a compression set (230° C., 500 hours) of 80% or less, and a rate of change of elongation at break between before and after a heat aging test (230° C., 72 hours) of not less than ?10% and not more than 10%.Type: ApplicationFiled: June 6, 2018Publication date: April 16, 2020Applicants: ZEON CORPORATION, National Institute of Advanced Industrial Science and TechnologyInventors: Masaaki KOMATSU, Anna KOMATSU, Seisuke ATA, Kenji HATA, Shigeki TOMONOH
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Patent number: 10494492Abstract: A carbon nanotube-elastomer composite material according to the present invention is produced by dispersing a carbon nanotube in an elastomer, including a carbon nanotube having a diameter of 20 nm or less, the number of layers of 10 or less, the carbon nanotube being contained in an amount of 0.1 to 20 parts by weight inclusive relative to the total weight of the carbon nanotube and the elastomer, and a continuous network having a Va/V0 value of 0.5 or more is formed in the elastomer wherein V0 represents the initial volume of the composite material and Va represents the volume of the structure formed from the remaining carbon nanotubes when the composite material is maintained at a temperature of 400° C. or higher for 6 hours while introducing nitrogen, the elastomer is thermally decomposed and the remaining carbon nanotubes form a structure.Type: GrantFiled: August 18, 2017Date of Patent: December 3, 2019Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Seisuke Ata, Kenji Hata, Shigeki Tomonoh
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Patent number: 10494262Abstract: The present invention is a carbon nanotube aggregate having a three-dimensional shape. The carbon nanotube aggregate having a three-dimensional shape includes a first surface, a second surface and a side surface, wherein a carbon nanotube of the first surface has a Herman orientation coefficient greater than ?0.1 and smaller than 0.2, a carbon nanotube of the second surface has a Herman orientation coefficient greater than ?0.1 and smaller than 0.2, and a carbon nanotube of the side surface has degree of orientation in which a Herman orientation coefficient is 0.2 or more and 0.99 or less, and the first surface and second surface are mutually arranged in parallel and the side surface is perpendicular with respect to the first surface and second surface.Type: GrantFiled: September 27, 2017Date of Patent: December 3, 2019Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kenji Hata, Don N. Futaba
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Publication number: 20180321555Abstract: An illuminating unit includes: a plurality of light sources; a light-guide plate including an end surface disposed to face the plurality of light sources, a first surface that outputs light which is based on incident light from the end surface, and a second surface that faces the first surface and includes a plurality of convex parts; and an optical sheet adhered to side of the second surface of the light-guide plate, with the plurality of convex parts being interposed therebetween. The plurality of convex parts include a plurality of first convex parts disposed in a first region inside the second surface, and one or plurality of second convex parts disposed in at least a portion of a second region on a periphery of the first region inside the second surface.Type: ApplicationFiled: September 14, 2016Publication date: November 8, 2018Applicant: Sony CorporationInventors: Kenji Hata, Yuji Iwai, Seiji Hayashimoto, Yuji Nakahata
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Publication number: 20180297848Abstract: An apparatus for producing an aligned carbon nanotube includes: at least one injection section including at least one injection hole from which a raw material gas is injected to a base substrate; an exhaust vent for exhausting the raw material gas; and an exhaust section including a plurality of exhaust vents, the plurality of exhaust vents being provided so as to be closer to the exhaust vent than a plurality of injection holes included in the at least one injection hole of the at least one injection section.Type: ApplicationFiled: June 20, 2018Publication date: October 18, 2018Applicants: ZEON CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Akiyoshi SHIBUYA, Kenji HATA, Motoo YUMURA
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Patent number: 10046969Abstract: An apparatus of the present invention for producing an aligned carbon nanotube includes: at least one injection section including at least one injection hole from which a raw material gas is injected to a base substrate; an exhaust vent for exhausting the raw material gas; and an exhaust section including a plurality of exhaust vents, the plurality of exhaust vents being provided so as to be closer to the exhaust vent than a plurality of injection holes included in the at least one injection hole of the at least one injection section.Type: GrantFiled: August 23, 2012Date of Patent: August 14, 2018Assignees: ZEON CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Akiyoshi Shibuya, Kenji Hata, Motoo Yumura
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Patent number: 10040686Abstract: A CNT dispersion liquid of the preset invention includes a CNT agglomerate arranged with a mesh body formed from a plurality of CNTs, the CNT agglomerate being dispersed in a dispersion medium is provided wherein a CNT agglomerate is obtained by extracting from the dispersion liquid and drying the CNT agglomerate the obtained CNT agglomerate has a pore size of 0.02 ?m or more and 2.0 ?m or less being maximized a differential pore volume in a pore size range of 0.002 ?m or more and 10.00 ?m or less measured using a mercury intrusion porosimeter.Type: GrantFiled: May 3, 2013Date of Patent: August 7, 2018Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kenji Hata, Kazufumi Kobashi, Don N. Futaba
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Patent number: 10023715Abstract: Provided are: an elastomer structure containing carbon nanotubes; and a method for producing the elastomer structure. In a CNT elastomer having a mesh shaped carbon nanotube aggregate on a surface layer thereof, the mesh shaped carbon nanotube aggregate can impart a shape-retaining property to the elastomer. Therefore, the elastomer can be molded along the shape of a mold, and it becomes possible to mold a carbon nanotube elastomer having a fine dimension. The elastomer structure containing carbon nanotubes according to the present invention is provided with mesh shaped carbon nanotube aggregate which are embedded in a surface layer of the elastomer structure containing carbon nanotubes and are not protruded from the surface of the elastomer structure containing carbon nanotubes.Type: GrantFiled: October 16, 2015Date of Patent: July 17, 2018Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kenji Hata, Atsuko Sekiguchi
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Patent number: 10017389Abstract: A CNT metal composite material is provided depositing a metal into a plurality of CNTs is provided including 3% by weight or more and 70% by weight or less of the CNTs, a region is arranged with the metal uniformly distributed in a scanning electron microscope image magnified ten thousand times and the length of the region is at least 1 ?m, a signal of the metal and a signal of carbon are not localized in a specific area in a two-dimensional elemental analysis image magnified ten thousand times, and a length of a region uniformly distributing the signal of the metal and the signal of carbon uniformly distributed is at least 1 ?m, an allowable current density is at 6×106 A/cm2 or more, and volume resistivity is 1×10?6 ?·cm or more and 5×10?3 ?·cm or less.Type: GrantFiled: January 22, 2016Date of Patent: July 10, 2018Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kenji Hata, Takeo Yamada, Chandramouli Subramaniam
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Patent number: 10011490Abstract: A CNT dispersion liquid of the preset invention includes a CNT agglomerate arranged with a mesh body formed from a plurality of CNTs, the CNT agglomerate being dispersed in a dispersion medium is provided wherein a CNT agglomerate is obtained by extracting from the dispersion liquid and drying the CNT agglomerate the obtained CNT agglomerate has a pore size of 0.02 ?m or more and 2.0 ?m or less being maximized a differential pore volume in a pore size range of 0.002 ?m or more and 10.00 ?m or less measured using a mercury intrusion porosimeter.Type: GrantFiled: May 3, 2013Date of Patent: July 3, 2018Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kenji Hata, Kazufumi Kobashi, Don N. Futaba