Patents by Inventor Shohei Yoshida
Shohei Yoshida 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: 20210239463Abstract: A method for inspecting a membrane electrode structure (1) which includes a first step in which detection medium capable of detecting elements of a first electrode catalyst layer (12) and a second electrode catalyst layer (22) and an element of a metal foreign matter (40) is sent along a thickness direction from the side of a first electrode layer (10) to a second electrode layer (20) side to obtain a thickness direction profile of a detection signal, and a second step in which an analysis unit identifies a thickness direction position of the metal foreign matter (40), from intensity of the detection signal in the thickness direction profile, and in which the analysis unit identifies thickness direction positions of the first and second electrode catalyst layer (12)(22), or a thickness direction position of an electrolyte membrane (30), from the intensity of the detection signal in the thickness direction profile.Type: ApplicationFiled: February 1, 2021Publication date: August 5, 2021Applicant: HONDA MOTOR CO., LTD.Inventors: Koya Shimada, Hiroshi Kurata, Shohei Yoshida, Keiichi Shiraishi
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Patent number: 10995679Abstract: A flame produced within a premixer is promptly extinguished and a reduction in output power of a gas turbine associated with extinguishment is suppressed.Type: GrantFiled: January 31, 2019Date of Patent: May 4, 2021Assignee: Mitsubishi, Power, Ltd.Inventors: Kazuki Abe, Akinori Hayashi, Yasuhiro Wada, Tetsuma Tatsumi, Shohei Yoshida
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Publication number: 20210116127Abstract: A gas turbine combustor with a relatively simple structure is configured to attenuate pressure fluctuation owing to combustion oscillation while securing mechanical reliability. The gas turbine combustor includes a combustion liner that forms a combustion chamber for generating combustion gas, a combustion casing disposed at an outer circumferential side of the combustion liner, and a burner for supplying air flowing between the combustion liner and the combustion casing, and fuel to be supplied from a fuel supply system to the combustion chamber. The combustor further includes a vane disposed at the outer circumferential side of the combustion liner, a plurality of supports disposed at an inner side of the combustion casing for fixing the vane, and a pressure dynamics damping hole formed in the combustion liner at a position corresponding to the vane for communication with the combustion chamber.Type: ApplicationFiled: October 15, 2020Publication date: April 22, 2021Inventors: Shohei YOSHIDA, Yoshitaka HIRATA, Akinori HAYASHI, Satoshi DODO, Hirokazu TAKAHASHI
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Publication number: 20210108797Abstract: The present invention provides a gas turbine combustor configured to form a film-like airflow around a region of a combustion liner, where pressure dynamics damping holes are formed for efficiently cooling the region where the pressure dynamics damping holes are formed without increasing concentration of discharged nitrogen oxides. The gas turbine combustor includes the combustion liner that forms a combustion chamber for receiving supply of fuel and air to generate combustion gas, a liner attached to an outer circumferential surface of the combustion liner for forming space from the outer circumferential surface, and the pressure dynamics damping hole formed in the combustion liner provided with the liner for communication between the space and the combustion chamber. The gas turbine combustor includes a cooling air guide lip disposed on an inner circumferential surface of the combustion liner for forming a film-like airflow around a region where the pressure dynamics damping hole is formed.Type: ApplicationFiled: October 14, 2020Publication date: April 15, 2021Inventors: Yasuhiro WADA, Shohei YOSHIDA, Akinori HAYASHI, Yoshitaka HIRATA, Hirokazu TAKAHASHI, Satoshi DODO, Shohei NUMATA, Tetsuma TATSUMI, Kazuki ABE
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Publication number: 20210095850Abstract: Adhesion of particulate matters to the burner accompanying combustion in a lean-combustion gas turbine combustor is suppressed, and the structural reliability is improved. In a gas turbine combustor including: a tubular liner that forms a combustion chamber; and a burner including an air hole plate that is arranged at an inlet of the liner and includes a plurality of air holes for guiding compressed air to the combustion chamber, and a plurality of fuel nozzles that are arranged on a side opposite to the combustion chamber with the air hole plate being sandwiched therebetween, the plurality of fuel nozzles each injecting a fuel toward a corresponding air hole, the air holes and the fuel nozzles forming a plurality of concentric annular lines, a plurality of small holes having opening diameters smaller than those of the air holes are provided through the air hole plate such that the plurality of small holes are positioned in an inner area of an innermost annular line of the air holes.Type: ApplicationFiled: September 29, 2020Publication date: April 1, 2021Inventors: Tomohiro ASAI, Shohei YOSHIDA, Yoshitaka HIRATA, Akinori HAYASHI, Yasuhiro AKIYAMA
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Publication number: 20210095849Abstract: To suppress occurrence of combustion oscillation in a lean-combustion gas turbine combustor, and to improve the structural reliability. In a gas turbine combustor including: a tubular liner that forms a combustion chamber; and a burner having an air hole plate that is arranged at an inlet of the liner and that is provided with a plurality of air holes for guiding compressed air to the combustion chamber, and a plurality of fuel nozzles arranged on a side opposite to the combustion chamber with the air hole plate being sandwiched therebetween, the plurality of fuel nozzles each injecting a fuel toward a corresponding air hole, the air holes and the fuel nozzles forming a plurality of concentric annular lines, an orifice is provided on a fuel flow passage of each of the plurality of fuel nozzles, the plurality of fuel nozzles are grouped into a plurality of nozzle groups, and axial positions of the orifices are different between the nozzle groups.Type: ApplicationFiled: September 29, 2020Publication date: April 1, 2021Inventors: Tomohiro ASAI, Shohei YOSHIDA, Yoshitaka HIRATA, Yasuhiro AKIYAMA
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Publication number: 20210095599Abstract: A hydrogen content fuel can be stably ignited using a gaseous fuel that does not contain hydrogen and dispersibility of the hydrogen content fuel is enhanced. A gas turbine combustor including a burner including: a startup fuel pipe in which a startup fuel circulates; a first main fuel pipe in which a main fuel circulates, a second main fuel pipe in which the main fuel circulates; a fuel mixer to which the startup fuel pipe and the first main fuel pipe are connected; an inner fuel nozzle to which the fuel mixer is connected; a plurality of outer fuel nozzles to which the second main fuel pipe is connected; a startup fuel control valve provided in the startup fuel pipe; a first fuel control valve provided in the first main fuel pipe; and a second fuel control valve provided in the second main fuel pipe.Type: ApplicationFiled: September 29, 2020Publication date: April 1, 2021Inventors: Tomohiro ASAI, Shohei YOSHIDA, Yoshitaka HIRATA, Akinori HAYASHI, Yasuhiro AKIYAMA, Yoshinori MATSUBARA
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Publication number: 20210072550Abstract: A display apparatus includes an image forming device and a light guide. The light guide includes an incident portion and an emission portion including a plurality of mirrors. In the light guide, the total reflection surface is disposed to be inclined with respect to a virtual plane perpendicular to a visual axis, and the mirrors are disposed to be inclined with respect to the total reflection surface. The mirror angle is set such that the light guide angle, the mirror angle, the light angle, the limit incidence angle, and the refractive index of the light guide satisfy the predetermined relationship.Type: ApplicationFiled: November 23, 2020Publication date: March 11, 2021Applicant: SEIKO EPSON CORPORATIONInventor: Shohei YOSHIDA
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Publication number: 20210061037Abstract: A front suspension device for a vehicle that, when a collision load acts on a suspension arm, reduces the detachment amount of a subframe mounting portion on the rear side from a vehicle body, absorbs collision load energy, and reduces an input to a rear axially supporting portion for a subframe. The front suspension device for a vehicle includes a subframe; a suspension arm having an outer end on which a front wheel is pivotally supported, and an inner end pivotally supported with respect to the subframe; a subframe mounting portion for mounting the subframe to a vehicle body through a fastener from below on the rear side relative to a front-wheel axially supporting portion of the suspension arm; and an upward bend inducing portion for bending the suspension arm upward when a suspension arm frontal collision load is input via the front wheel to the suspension arm.Type: ApplicationFiled: August 24, 2020Publication date: March 4, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Shohei YOSHIDA, Takashi HAMADA, Yuuki UCHIBA, Susumu SANO
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Publication number: 20210040695Abstract: To provide a moisturizing tissue having excellent strength while having moist feeling and smoothness peculiar to the moisturizing tissue. The problem is solved by a tissue paper containing a polyol. The tissue paper has a basis weight of 15.6 to 19.1 g/m2, a paper thickness of 115 to 150 ?m, a content of the polyol of 17.0 to 22.0% by mass, a moisture content of 10% by mass or more, a dry tensile strength of 310 to 410 cN/25 mm in a longitudinal direction, a dry tensile strength of 120 to 160 cN/25 mm in a lateral direction, a wet tensile strength of 55 to 90 cN/25 mm in the lateral direction, and compression energy WC of 5.0 to 6.5 gf·cm/cm2 under a load of 50 g/cm2 in a KES test method.Type: ApplicationFiled: February 20, 2019Publication date: February 11, 2021Applicant: Daio Paper CorporationInventor: Shohei YOSHIDA
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Publication number: 20210020477Abstract: An apparatus for heat-treating a substrate includes: a stage where the substrate is disposed; a heating part configured to change an output; a first temperature measurement part configured to measure a temperature at which the substrate is heated; a second temperature measurement part configured to measure the temperature, and having a level of measurement accuracy which is lower than that of the first temperature measurement part in a first temperature region and is higher than that of the first temperature measurement part in a second temperature region; a temperature calculator configured to calculate a weighted average temperature of the temperatures measured by the first and second temperature measurement parts if a reference temperature is in a temperature range between the first and second temperatures, and configured to change a weight of the weighted average temperature; and a controller configured to control the output based on the weighted average temperature.Type: ApplicationFiled: July 2, 2020Publication date: January 21, 2021Inventors: Hiroyuki MIYASHITA, Shohei YOSHIDA, Takahisa MASE
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Patent number: 10877271Abstract: A display apparatus includes an image forming device and a light guide. The light guide includes an incident portion and an emission portion including a plurality of mirrors. In the light guide, the total reflection surface is disposed to be inclined with respect to a virtual plane perpendicular to a visual axis, and the mirrors are disposed to be inclined with respect to the total reflection surface. The mirror angle is set such that the light guide angle, the mirror angle, the light angle, the limit incidence angle, and the refractive index of the light guide satisfy the predetermined relationship.Type: GrantFiled: December 7, 2017Date of Patent: December 29, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Shohei Yoshida
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Patent number: 10871650Abstract: A light guide system includes a transparent light guide portion that guides light beams incident from one end side to a light-emitting portion. The light guide portion includes a plurality of partial reflection surfaces that are disposed between a first surface and a second surface which are parallel to each other and are inclined at the same angle such that a first end portion is positioned closer to the one end side than a second end portion is. Intervals between the partial reflection surfaces in a first direction are widened from the one end side toward another end side. In a state where the light guide portion is disposed in front of an eye of an observer, the light guide portion is inclined such that the another end side is further away from a face of the observer than the one end side is.Type: GrantFiled: March 16, 2018Date of Patent: December 22, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Hayato Matsuki, Takashi Takeda, Shohei Yoshida
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Publication number: 20200375413Abstract: Toilet paper includes at least two sheets on which embossments are formed and that are joined together in a nested manner. The area of a top part of an embossed protrusion of each of the embossments is between 0.8 mm2 and 1.5 mm2, and the area percentage of top parts of embossed protrusions of the embossments is between 5% and 10%.Type: ApplicationFiled: June 26, 2018Publication date: December 3, 2020Inventors: Shohei YOSHIDA, Noritada TOMIOKA
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Patent number: 10802280Abstract: A display device according to the invention includes an image generating unit and a projection optical system. The projection optical system includes an optical element provided with a plurality of curved mirrors. The plurality of curved mirrors are arranged in a first direction so that the curved mirror positioned on a far side from the image generating unit has a greater inclination than that of the curved mirror positioned on a near side to the image generating unit. A duty cycle of a first curved mirror among the plurality of curved mirrors is less than a duty cycle of a second curved mirror, and a pitch of the first curved mirror is less than a pitch of the second curved mirror.Type: GrantFiled: December 19, 2018Date of Patent: October 13, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Shohei Yoshida
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Publication number: 20200299841Abstract: Provided is an abnormality detection system that includes a first controller configured to control a substrate processing apparatus and a second controller configured to control a device provided in the substrate processing apparatus according to an instruction from the first controller, thereby detecting an abnormality in the device. The second controller includes a storage unit configured to collect status signals for the device for a predetermined time and at a predetermined sampling interval in a predetermined cycle and accumulate the collected status signals for the device, and the first controller includes an abnormality determination unit configured to acquire the accumulated status signals for the device from the second controller at a time interval equal to or longer than the predetermined time, and determine presence or absence of an abnormality in the device.Type: ApplicationFiled: March 15, 2017Publication date: September 24, 2020Inventors: Katsuhito Hirose, Toshio Hasegawa, Shohei Yoshida, Takeshi Shinohara, Shinji Kawasaki
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Patent number: 10761332Abstract: A light-guiding device according to an aspect of the invention includes an incident section configured to make light incident, a light guide configured to guide the light incident from the incident section, a bonding layer configured to bond the incident section and the light guide, and a reflection member provided on a side surface of the bonding layer.Type: GrantFiled: December 21, 2018Date of Patent: September 1, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Hayato Matsuki, Shohei Yoshida, Takashi Takeda
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Patent number: 10732461Abstract: A display device according to the invention includes a light guiding body that guides image light, an incidence portion that makes the image light incident on the light guiding body, and an emission portion that makes the image light emitted from the light guiding body. The emission portion includes a plurality of partially reflecting mirrors, and is configured with a first partially reflecting mirror group having a relatively high reflectance of S-polarized light components and a second partially reflecting mirror group having a relatively high reflectance of the P-polarized light components. The first partially reflecting mirror and the second partially reflecting mirror are alternately arranged in an arrangement direction, and emit light of a polarized state including S-polarized light components and P-polarized light components.Type: GrantFiled: May 24, 2018Date of Patent: August 4, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Shohei Yoshida
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Patent number: 10699827Abstract: Provided is a film having excellent electrical insulation performance, heat dissipation performance, and workability. In addition, by using the film, provided are an electrical insulation sheet having excellent heat conductivity, a rotating machine using the sheet, an adhesive tape, and the like. The number of coarse projections SPc (4000) on at least one surface of the film is 15 projections/mm2 or greater.Type: GrantFiled: March 10, 2017Date of Patent: June 30, 2020Assignee: TORAY INDUSTRIES, INC.Inventors: Shohei Yoshida, Risa Hamasaki, Shigeru Aoyama
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Publication number: 20200200389Abstract: A gas turbine combustor that mixes fuel with compressed air guided from a compressor to burn the fuel mixed with the compressed air to generate a combustion gas and supplies the generated combustion gas to a turbine is provided with: an inner cylinder forming a combustion chamber thereinside; an outer cylinder that covers the inner cylinder and forms, between the outer cylinder and the inner cylinder, a cylindrical outer peripheral flow path through which the compressed air flows; an end cover closing the end of the outer cylinder on an opposite side from a side the turbine is located; and a turn guide provided at the end on the end cover side of the inner cylinder, protruding from the outer peripheral surface of the inner cylinder toward the outer cylinder and smoothly connected to the inner peripheral surface of the inner cylinder.Type: ApplicationFiled: December 18, 2019Publication date: June 25, 2020Inventors: Tomoki URUNO, Keita YUNOKI, Kazuki ABE, Tomohiro ASAI, Mitsuhiro KARISHUKU, Tatsuya HAGITA, Shohei YOSHIDA