Patents by Inventor Yoshitaka Adachi
Yoshitaka Adachi 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: 20190025230Abstract: A neutron grid, comprises: a grid including: a plurality of spacers through which at least a part of first neutrons from a target passes; and a plurality of absorbers to absorb at least a part of second neutrons scattered thorough the target, the spacers and the absorbers being alternately arranged along a first direction and extending along a second direction intersecting with the first direction; and a pair of covers through which at least a part of the first neutrons and at least a part of the second neutrons pass, sandwiching the grid along a third direction intersecting with the first and second directions. A thermal expansion coefficient difference between one of the spacers and one of the absorbers is ±9×10?6/° C. or less, or Young's modulus of the spacer is 100 GPa or more.Type: ApplicationFiled: September 24, 2018Publication date: January 24, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.Inventors: Yukihiro Fukuta, Yoshitaka Adachi, Nobuaki Nakashima, Koichi Nittoh
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Patent number: 10132939Abstract: To suppress a decrease in optical output of a scintillator. A scintillator includes a sintered body of 1 mm3 or less that contains a rare earth oxysulfide. In a composition image obtained by observing a cross-section of the sintered body under a scanning electron microscope, the sum of the number of oxide regions that contain at least one of a rare earth oxide different from the rare earth oxysulfide and an impurity metal oxide and the number of sulfide regions that contain at least one of a rare earth sulfide different from the rare earth oxysulfide and an impurity metal sulfide, which exist in a unit area of 500 ?m×500 ?m, is zero or more and five or less. Each of the oxide regions and the sulfide regions has a major axis of zero or more and 100 ?m or less.Type: GrantFiled: March 6, 2017Date of Patent: November 20, 2018Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.Inventors: Yoshitaka Adachi, Akihisa Saito, Masaki Toyoshima, Eiji Oyaizu, Kazumitsu Morimoto, Takashi Rokutanda
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Publication number: 20180252824Abstract: A scintillator comprises a sintered body having a volume of 1 mm3 or less. The sintered body includes a crystal region of a rare earth oxysulfide. The number of polycrystal bodies each having a different composition from that of the crystal region is 200 or less per a unit area of 100 ?m×100 ?m of a cross section of the sintered body.Type: ApplicationFiled: April 26, 2018Publication date: September 6, 2018Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.Inventors: Kazumitsu MORIMOTO, Yoshitaka ADACHI, Yukihiro FUKUTA
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Publication number: 20180226698Abstract: Provided is a technique capable of detecting deformation based on an abnormality such as heat generation in an article by a simpler, smaller, or lower-cost configuration, to suppress occurrence of an accident due to the abnormality of the article. An abnormality detector for measuring deformation of a batter B, such as a lithium-ion battery, to detect an abnormality of the battery, the abnormality detector includes: a sealed container disposed in close contact with at least a part of an outer surface of the battery, while containing and sealing a fluid such as water, the sealed container having flexibility; and a pressure sensor configured to measure a change inside the sealed container, accompanying deformation of the battery.Type: ApplicationFiled: December 8, 2017Publication date: August 9, 2018Applicant: OMRON CorporationInventors: Po-Hsiu Lin, Toshiaki Okuno, Yoshitaka Adachi, Takayuki Haruyama
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Publication number: 20180196146Abstract: There is provided a scintillator array to be used for a neutron detector capable of detecting high energy neutrons with high definition and high efficiency. A scintillator array comprises a structure including a plurality of stacks layered each other. Each of the stacks has in sequence: a light reflector including ceramics or single-crystal silicon; a first film to react with a neutron incident along a direction intersecting a lamination direction of the stacks and thus emit a radiation ray; a second film including a material to reflect light; and a scintillator to emit light in response to the radiation ray. The light from the scintillator is reflected by the reflector and the second film to propagate an inside of the scintillator and thus to be led to an outside of the structure.Type: ApplicationFiled: February 28, 2018Publication date: July 12, 2018Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.Inventors: Yukihiro FUKUTA, Yoshitaka ADACHI, Nobuaki NAKASHIMA, Koichi NITTOH
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Patent number: 9804067Abstract: An observation and photography apparatus that has a polishing mechanism attached thereto. The polishing mechanism is provided with a turntable with a perpendicular rotation shaft, a polishing cloth for polishing the surface of a sample attached to the bottom surface of the turntable, and a polishing-fluid spraying nozzle disposed below the polishing cloth for spraying polishing fluid containing polishing material upward to we the polishing cloth.Type: GrantFiled: June 18, 2013Date of Patent: October 31, 2017Assignees: KAGOSHIMA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, NAKAYAMADENKI CO., LTD.Inventors: Yoshitaka Adachi, Makoto Nakayama
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Publication number: 20170199285Abstract: To suppress a decrease in optical output of a scintillator. A scintillator includes a sintered body of 1 mm3 or less that contains a rare earth oxysulfide. In a composition image obtained by observing a cross-section of the sintered body under a scanning electron microscope, the sum of the number of oxide regions that contain at least one of a rare earth oxide different from the rare earth oxysulfide and an impurity metal oxide and the number of sulfide regions that contain at least one of a rare earth sulfide different from the rare earth oxysulfide and an impurity metal sulfide, which exist in a unit area of 500 ?m×500 ?m, is five or less (including zero). Each of the oxide regions and the sulfide regions has a major axis of 100 ?m or less (including zero).Type: ApplicationFiled: March 6, 2017Publication date: July 13, 2017Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.Inventors: Yoshitaka ADACHI, Akihisa SAITO, Masaki TOYOSHIMA, Eiji OYAIZU, Kazumitsu MORIMOTO, Takashi ROKUTANDA
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Patent number: 9217794Abstract: In one embodiment, a scintillator array includes a plurality of scintillator blocks, and a reflective layer part interposed between the adjacent scintillator blocks. The plurality of scintillator blocks are integrated by the reflective layer part. The reflective layer part includes reflective particles dispersed in a transparent resin. The reflective particles include at least one selected from titanium oxide particles and tantalum oxide particles, and have a mean particle diameter of 2 ?m or less. The number of the reflective particles existing per unit area of 5 ?m×5 ?m of the reflective layer part is in a range of 100 or more and 250 or less.Type: GrantFiled: May 29, 2014Date of Patent: December 22, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.Inventors: Kazumitsu Morimoto, Akihisa Saito, Yoshitaka Adachi, Masaki Toyoshima, Eiji Oyaizu
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Publication number: 20150185123Abstract: An observation and photography apparatus that has a polishing mechanism attached thereto. The polishing mechanism is provided with a turntable with a perpendicular rotation shaft, a polishing cloth for polishing the surface of a sample attached to the bottom surface of the turntable, and a polishing-fluid spraying nozzle disposed below the polishing cloth for spraying polishing fluid containing polishing material upward to we the polishing cloth.Type: ApplicationFiled: June 18, 2013Publication date: July 2, 2015Applicants: Kagoshima University, National University Corporation, Nakayamadenki Co., Ltd.Inventors: Yoshitaka Adachi, Makoto Nakayama
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Patent number: 8969981Abstract: A sensor package has a semiconductor sensor chip, and a package body that has a semiconductor sensor chip mounting region on which the semiconductor sensor chip is mounted. The package body being a resin injection molded product. A groove is formed in a rear surface on an opposite side to a surface, on which the semiconductor sensor chip is mounted, so as to surround the semiconductor sensor chip mounting region. A coupling section is formed in the rear surface to couple a resin portion inside the groove and a resin portion outside the groove.Type: GrantFiled: February 21, 2012Date of Patent: March 3, 2015Assignee: OMRON CorporationInventors: Akinobu Kanai, Yoshitaka Adachi, Masao Shimizu, Junichi Tanaka, Sho Sasaki
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Patent number: 8937286Abstract: The present invention provides a solid scintillator comprising a rare earth oxide sintered body, wherein: an afterglow time, which is the time required for a light output from the solid scintillator to degrease from a maximum value to 1/e of the maximum value, is 200 ns or shorter. The rare earth oxide sintered body preferably has a composition represented by a general formula (1): LnaXbOc:Ce??(1), wherein Ln is one or more elements selected from Y, Gd and Lu; X is one or more elements selected from Si, Al and B; and a, b and c satisfy 1?a?5, 0.9?b?6, and 2.5??c?13, respectively.Type: GrantFiled: October 26, 2012Date of Patent: January 20, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.Inventors: Kazumitsu Morimoto, Yoshitaka Adachi, Akihisa Saito, Eiji Oyaizu, Masaki Toyoshima
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Publication number: 20140301527Abstract: In one embodiment, a scintillator array includes a plurality of scintillator blocks, and a reflective layer part interposed between the adjacent scintillator blocks. The plurality of scintillator blocks are integrated by the reflective layer part. The reflective layer part includes reflective particles dispersed in a transparent resin. The reflective particles include at least one selected from titanium oxide particles and tantalum oxide particles, and have a mean particle diameter of 2 ?m or less. The number of the reflective particles existing per unit area of 5 ?m×5 ?m of the reflective layer part is in a range of 100 or more and 250 or less.Type: ApplicationFiled: May 29, 2014Publication date: October 9, 2014Applicants: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.Inventors: Kazumitsu MORIMOTO, Akihisa SAITO, Yoshitaka ADACHI, Masaki TOYOSHIMA, Eiji OYAIZU
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Publication number: 20140246586Abstract: The present invention provides a solid scintillator comprising a rare earth oxide sintered body, wherein: an afterglow time, which is the time required for a light output from the solid scintillator to degrease from a maximum value to 1/e of the maximum value, is 200 ns or shorter. The rare earth oxide sintered body preferably has a composition represented by a general formula (1): LnaXbOc:Ce??(1), wherein Ln is one or more elements selected from Y, Gd and Lu; X is one or more elements selected from Si, Al and B; and a, b and c satisfy 1?a?5, 0.9?b?6, and 2.5??c?13, respectively.Type: ApplicationFiled: October 26, 2012Publication date: September 4, 2014Applicants: TOSHIBA MATERIALS CO., LTD., KABUSHIKI KAISHA TOSHIBAInventors: Kazumitsu Morimoto, Yoshitaka Adachi, Akihisa Saito, Eiji Oyaizu, Masaki Toyoshima
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Patent number: 8693627Abstract: In an embodiment, an X-ray detector has a transmissive fluorescence generating portion, and a reflective fluorescence generating portion. The transmissive and reflective fluorescence generating portions have at least one of an intensifying screen having a phosphor layer that contains praseodymium-activated gadolinium oxysulfide phosphor particles in which a ratio of particles having a particle diameter falling in ±30% of a center particle diameter is 45% by volume or more and their filling rate is 60% by volume or more, and an intensifying screen having a phosphor layer that contains europium-activated barium fluorochloride phosphor particles in which a ratio of particles having a particle diameter falling in ±30% of a center particle diameter is 45% by volume or more and their filling rate is 45% by volume or more.Type: GrantFiled: May 22, 2012Date of Patent: April 8, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.Inventors: Eiji Oyaizu, Akihisa Saito, Yoshitaka Adachi, Kazumitsu Morimoto
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Publication number: 20140021565Abstract: A sensor package has a semiconductor sensor chip, and a package body that has a semiconductor sensor chip mounting region on which the semiconductor sensor chip is mounted. The package body being a resin injection molded product. A groove is formed in a rear surface on an opposite side to a surface, on which the semiconductor sensor chip is mounted, so as to surround the semiconductor sensor chip mounting region. A coupling section is formed in the rear surface to couple a resin portion inside the groove and a resin portion outside the groove.Type: ApplicationFiled: February 21, 2012Publication date: January 23, 2014Applicant: OMRON CORPORATIONInventors: Akinobu Kanai, Yoshitaka Adachi, Masao Shimizu, Junichi Tanaka, Sho Sasaki
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Patent number: 8531452Abstract: A video game machine includes a monitor which permits three-dimensional viewing, a virtual camera controller which selectively provides on-screen presentation in 2D display mode in which two virtual cameras for capturing images are matched with each other and in 3D display mode in which the two virtual cameras are set to achieve a prescribed distance therebetween, an image display controller which generates a 3D image presented on the monitor from image data acquired by the two virtual cameras, a display mode switching processor which repositions the two virtual cameras from the positional relationship in one display mode to the positional relationship in the other in a stepwise fashion. Switching between the 2D and 3D display modes is smoothened and stimulation of a player's eyes or brain caused by a sudden change between states with or without stereoscopic effect is suppressed.Type: GrantFiled: July 20, 2010Date of Patent: September 10, 2013Assignee: Konami Digital Entertainment Co., Ltd.Inventors: Yoshihisa Inoue, Masahiro Moriyama, Masakazu Shibamiya, Satoshi Uchiyama, Taichi Takeuchi, Yoshitaka Adachi
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Publication number: 20130143656Abstract: A game machine controls an action of an operation character set to be operated by a player based on an operation of the player with respect to the operation character, controls an action of a control character to act in association with the operation character so as to select from a plurality of predetermined actions by referring to an instruction from the player to the control character, accumulates action information of respective actions of the operation character individually and accumulates the instruction from the player with respect to an action of the control character as instruction information. The game machine determines an instruction with reference to the instruction information, selects an action corresponding to the instruction from the plurality of actions and controls an action of the control character based on the action information corresponding to the selected action in the case that there is no instruction from the player.Type: ApplicationFiled: March 29, 2012Publication date: June 6, 2013Inventors: Masakazu Shibamiya, Yoshitaka Adachi
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Publication number: 20130083891Abstract: In an embodiment, an X-ray detector has a transmissive fluorescence generating portion, and a reflective fluorescence generating portion. The transmissive and reflective fluorescence generating portions have at least one of an intensifying screen having a phosphor layer that contains praseodymium-activated gadolinium oxysulfide phosphor particles in which a ratio of particles having a particle diameter falling in ±30% of a center particle diameter is 45% by volume or more and their filling rate is 60% by volume or more, and an intensifying screen having a phosphor layer that contains europium-activated barium fluorochloride phosphor particles in which a ratio of particles having a particle diameter falling in ±30% of a center particle diameter is 45% by volume or more and their filling rate is 45% by volume or more.Type: ApplicationFiled: May 22, 2012Publication date: April 4, 2013Inventors: Eiji OYAIZU, Akihisa Saito, Yoshitaka Adachi, Kazumitsu Morimoto
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Patent number: 8188556Abstract: A semiconductor sensor has a first semiconductor layer as a base, an insulating layer formed on the first semiconductor layer, and a second semiconductor layer formed on the insulating layer. A recess is formed from a bottom surface of the first semiconductor layer up to a top surface of the insulating layer. The second semiconductor layer is covered with the insulating layer in an outer circumference of a top surface of the recess. A sensitive region of the second semiconductor layer is exposed in a region except the outer circumference of the top surface of the recess.Type: GrantFiled: February 25, 2010Date of Patent: May 29, 2012Assignee: OMRON CorporationInventors: Yoshitaka Adachi, Katsuyuki Inoue
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Publication number: 20110018868Abstract: A video game machine includes a monitor which permits three-dimensional viewing, a virtual camera controller which selectively provides on-screen presentation in 2D display mode in which two virtual cameras for capturing images are matched with each other and in 3D display mode in which the two virtual cameras are set to achieve a prescribed distance therebetween, an image display controller which generates a 3D image presented on the monitor from image data acquired by the two virtual cameras, a display mode switching processor which repositions the two virtual cameras from the positional relationship in one display mode to the positional relationship in the other in a stepwise fashion. Switching between the 2D and 3D display modes is smoothened and stimulation of a player's eyes or brain caused by a sudden change between states with or without stereoscopic effect is suppressed.Type: ApplicationFiled: July 20, 2010Publication date: January 27, 2011Applicant: Konami Digital Entertainment Co., Ltd.Inventors: Yoshihisa Inoue, Masahiro Moriyama, Masakazu Shibamiya, Satoshi Uchiyama, Taichi Takeuchi, Yoshitaka Adachi