Patents by Inventor Masayuki Numata
Masayuki Numata 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: 20240133336Abstract: The thermostat device has a housing, a valve body provided around the periphery of a thermo-element inserted inside the housing, and a frame that supports one end of a coil spring that biases the valve body, wherein the housing has a hollow body having an opening at one end, a pair of legs rising from the opening edge of the body, and a hooking portion protruding inwardly at the tip of the legs; the hooking portion has an engaged portion located in the center of the width direction of the legs and an auxiliary portion connected to the engaged portion and located at both ends of the width direction of the legs, wherein an end face of the root side of the legs in the engaged portion is located farther from the tip of the legs than an end face of the leg-root side in the auxiliary portion.Type: ApplicationFiled: November 11, 2021Publication date: April 25, 2024Inventors: Tetsuya NISHIMURA, Masayuki NUMATA
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Publication number: 20240084912Abstract: Provided are a thermostat device and a method for manufacturing the same, capable of minimizing an increase in size of the thermostat device, and where a seal member is easily assembled and cost can be minimized. This thermostat device includes a housing, attached to a mounting hole of a counterpart member, that has a flow path for a coolant formed therein, a seal member that creates a liquid-tight seal between the counterpart member and the housing, a thermo-element that expands and contracts in accordance with the coolant temperature, a valve body that opens and closes the flow path due to the expansion and contraction of the thermo-element, and a coil spring that biases the valve body in a closing direction, the housing having formed therein a deformed annular groove into which the seal member fits, and the seal member having a perfectly circular shape in a natural length state.Type: ApplicationFiled: November 11, 2021Publication date: March 14, 2024Inventors: Tetsuya NISHIMURA, Masayuki NUMATA
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Publication number: 20240068588Abstract: The thermostat device includes a housing having a valve seat formed thereinside, a thermo-element having one end inserted inside the housing, a valve body seated on or separated from the valve seat by the extension/contraction of the thermo-element, a coil spring biasing the valve body toward the valve seat, and a frame supporting one end of the coil spring. The housing has a hollow body part opening at one end, paired legs erecting from the opening edge of the body part, on whose leading ends the frame is hooked, and ribs provided at the opening edge and contiguous to each root side of the legs. The outer surface of each leg is arc-shaped, and the outer surface of each rib is curved or inclined to extend from the outer surface of the corresponding leg toward the inner side of a circle connecting the outer surfaces of the pair of legs.Type: ApplicationFiled: November 11, 2021Publication date: February 29, 2024Inventors: Tetsuya NISHIMURA, Masayuki NUMATA
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Publication number: 20220002165Abstract: Provided is silica powder that, when used as a resin filler such as a semiconductor sealant, allows for obtaining a resin composition having excellent gap permeability and low viscosity. The silica powder is such that (1) a cumulative 50% mass diameter D50 of a mass-based particle size distribution obtained by a centrifugal sedimentation method is 300 nm to 500 nm (preferably, 330 nm to 400 nm), (2) a loose bulk density is 250 kg/m3 to 400 kg/m3 (preferably, 270 kg/m3 to 350 kg/m3), and (3) {(D90?D50)/D50}×100 is 30% to 45%. In a silica production method in which a silicon compound is burned, silica powder can be produced by installing a burner having a concentric multiple pipe structure of three or more pipes in a reactor which has a cooling jacket portion provided around the burner, and adjusting flame combustion conditions and cooling conditions.Type: ApplicationFiled: February 13, 2020Publication date: January 6, 2022Inventors: Keiji SAIKI, Masayuki NUMATA, Teppei UENO, Hiroo AOKI
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Publication number: 20210013703Abstract: A surface-emitting laser array includes a plurality of surface-emitting laser elements, a plurality of optical elements, and a light shielding member. The plurality of surface-emitting laser elements are arranged on a first surface of a substrate and configured to emit light in a direction crossing the first surface. The plurality of optical elements are arranged on a second surface opposite to the first surface of the substrate to correspond to the surface-emitting laser elements and configured to change a radiation angle of the light. The light shielding member is arranged in a region between the optical elements on the second surface of the substrate.Type: ApplicationFiled: March 14, 2019Publication date: January 14, 2021Inventors: Masayuki NUMATA, Toshiyuki IKEOH, Kazuma IZUMIYA, Tsuyoshi UENO, Naoto JIKUTANI
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Patent number: 10498108Abstract: A surface-emitting laser array includes a plurality of light emitting parts. Each light emitting part includes a reflection mirror including aluminum gallium arsenide (AlxGa(1-x)As) where x is greater than 0.95 but less than or equal to 1; an active layer; and an electrode surrounding an emission region, from which laser light is emitted, the electrode covering a region between adjacent light emitting parts in the plurality of light emitting parts.Type: GrantFiled: March 8, 2016Date of Patent: December 3, 2019Assignee: Ricoh Company, Ltd.Inventors: Kazuma Izumiya, Naoto Jikutani, Masayuki Numata
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Publication number: 20180323567Abstract: A laser beam generation apparatus includes a light source section including a plurality of seed lasers each emitting laser light, an optical amplification section disposed to face the seed lasers of the light source section and configured to amplify the laser light emitted by the seed lasers and received at an incidence surface to output the amplified laser light from an emission surface, and a control unit configured to control each of the seed lasers of the light source section. The optical amplification section is configured to combine the laser light emitted by the seed lasers and output the combined laser light as a laser beam.Type: ApplicationFiled: November 4, 2016Publication date: November 8, 2018Inventors: Yoshio WADA, Yasuhiro HIGASHI, Shinsuke SHIBATA, Masayuki NUMATA
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Patent number: 9935420Abstract: A laser device is provided including a surface emitting laser array configured to emit light, an optical system disposed in an optical path of light that is emitted from the surface emitting laser, a laser resonator which the light passed through the optical system enters, where the optical system includes a first optical element configured to collimate the light emitted from the surface emitting laser, and a second optical element configured to collect and condense the light collimated by the first optical element.Type: GrantFiled: September 29, 2015Date of Patent: April 3, 2018Assignee: Ricoh Company, Ltd.Inventors: Kazuma Izumiya, Tsuyoshi Suzudo, Naoto Jikutani, Yasuhiro Higashi, Kentaroh Hagita, Masayuki Numata, Nobuyuki Arai
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Publication number: 20180034244Abstract: A surface-emitting laser array includes a plurality of light emitting parts. Each light emitting part includes a reflection mirror including aluminum gallium arsenide (AlxGa(1-x)As) where x is greater than 0.95 but less than or equal to 1; an active layer; and an electrode surrounding an emission region, from which laser light is emitted, the electrode covering a region between adjacent light emitting parts in the plurality of light emitting parts.Type: ApplicationFiled: March 8, 2016Publication date: February 1, 2018Applicant: Ricoh Company, Ltd.Inventors: Kazuma IZUMIYA, Naoto JIKUTANI, Masayuki NUMATA
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Publication number: 20160094006Abstract: A laser device is provided including a light source configured to emit light, a light transmission member configured to transmit the light emitted from the light source, a plurality of optical elements disposed in an optical path of the light transmitted by the light transmission member, a laser resonator which the light passed through the plurality of optical elements enter, and an adjuster configured to adjust a position of at least one of the plurality of optical elements.Type: ApplicationFiled: September 24, 2015Publication date: March 31, 2016Inventors: Kentaroh HAGITA, Tsuyoshi SUZUDO, Yasuhiro HIGASHI, Naoto JIKUTANI, Masayuki NUMATA, Kazuma IZUMIYA
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Publication number: 20160094009Abstract: A laser device is provided including a surface emitting laser array configured to emit light, an optical system disposed in an optical path of light that is emitted from the surface emitting laser, a laser resonator which the light passed through the optical system enters, where the optical system includes a first optical element configured to collimate the light emitted from the surface emitting laser, and a second optical element configured to collect and condense the light collimated by the first optical element.Type: ApplicationFiled: September 29, 2015Publication date: March 31, 2016Inventors: Kazuma IZUMIYA, Tsuyoshi SUZUDO, Naoto JIKUTANI, Yasuhiro HIGASHI, Kentaroh HAGITA, Masayuki NUMATA, Nobuyuki ARAI
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Publication number: 20160094003Abstract: A laser device is provided including a light source configured to emit light, a laser resonator which the light emitted from the light source enters, a first optical element configured to increase a divergence angle of the light emitted from the laser resonator, a second optical element configured to collimate the light whose divergence angle is increased by the first optical element, and a third optical element configured to collect and condense the light collimated by the second optical element.Type: ApplicationFiled: September 21, 2015Publication date: March 31, 2016Inventors: Masayuki NUMATA, Kentaroh HAGITA, Kazuma IZUMIYA, Naoto JIKUTANI, Yasuhiro HIGASHI, Tsuyoshi SUZUDO
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Patent number: 8985188Abstract: Disclosed is a cast pin equipped with circular grooves which are provided at any location. The cast pin (10) is equipped with: an outer tube (11) in the shape of a hollow body the tip of which is closed; an inner tube (20) inserted into the outer tube (11); and a cooling medium pipe (30) that is inserted into the inner tube (20) and supplies a cooling medium to the interior of the inner tube (20). Three circular grooves (22) are formed at prescribed intervals in the longitudinal direction, for example, on the outer circumferential surface (21) of the inner tube (20). The circular grooves (22) are formed in the outer circumferential surface (21) by applying a cutting tool from the radial outward direction of the inner tube (20).Type: GrantFiled: February 29, 2012Date of Patent: March 24, 2015Assignee: Honda Motor Co., Ltd.Inventors: Kiyoshi Shibata, Akihiro Ikegami, Masayuki Numata
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Patent number: 8879600Abstract: A surface emitting laser array element is disclosed that includes a lower distributed bragg reflector (DBR) that is formed on a substrate, an active layer that is formed on the lower DBR, and an upper DBR that is formed on the active layer. A mesa and a dummy mesa that is arranged at a periphery of the mesa are created by removing a portion of the upper DBR. The mesa forms a surface emitting laser, and a wiring is connected to an electrode that is formed on an upper face of the mesa. The wiring includes a portion that is arranged over an upper face of the dummy mesa, a side face of the dummy mesa, and a bottom face at a peripheral region of the dummy mesa extending along a longitudinal direction of the wiring.Type: GrantFiled: March 1, 2013Date of Patent: November 4, 2014Assignee: Ricoh Company, Ltd.Inventors: Katsunari Hanaoka, Masayuki Numata, Hiroyoshi Shouji
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Publication number: 20140027085Abstract: Disclosed is a cast pin equipped with circular grooves which are provided at any location. The cast pin (10) is equipped with: an outer tube (11) in the shape of a hollow body the tip of which is closed; an inner tube (20) inserted into the outer tube (11); and a cooling medium pipe (30) that is inserted into the inner tube (20) and supplies a cooling medium to the interior of the inner tube (20). Three circular grooves (22) are formed at prescribed intervals in the longitudinal direction, for example, on the outer circumferential surface (21) of the inner tube (20). The circular grooves (22) are formed in the outer circumferential surface (21) by applying a cutting tool from the radial outward direction of the inner tube (20).Type: ApplicationFiled: February 29, 2012Publication date: January 30, 2014Applicant: HONDA MOTOR CO., LTD.Inventors: Kiyoshi Shibata, Akihiro Ikegami, Masayuki Numata
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Publication number: 20130251408Abstract: A surface emitting laser array element is disclosed that includes a lower distributed bragg reflector (DBR) that is formed on a substrate, an active layer that is formed on the lower DBR, and an upper DBR that is formed on the active layer. A mesa and a dummy mesa that is arranged at a periphery of the mesa are created by removing a portion of the upper DBR. The mesa forms a surface emitting laser, and a wiring is connected to an electrode that is formed on an upper face of the mesa. The wiring includes a portion that is arranged over an upper face of the dummy mesa, a side face of the dummy mesa, and a bottom face at a peripheral region of the dummy mesa extending along a longitudinal direction of the wiring.Type: ApplicationFiled: March 1, 2013Publication date: September 26, 2013Applicant: RICOH COMPANY, LTD.Inventors: Katsunari Hanaoka, Masayuki Numata, Hiroyoshi Shouji
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Patent number: 8502852Abstract: A surface emitting laser device includes a substrate and plural semiconductor layers laminated on the substrate, the plural semiconductor layers including a first semiconductor multi-layer film including aluminum (Al), an active layer, and a second semiconductor multi-layer film, a light emitting section having a mesa structure being formed on the first semiconductor multi-layer film. When viewed in a direction orthogonal to a surface of the substrate, an outer shape of the first semiconductor multi-layer film is a macroscopically smooth shape without an angular corner, and a side surface of the first semiconductor multi-layer film is coated with a passivation film and a protection film.Type: GrantFiled: June 8, 2011Date of Patent: August 6, 2013Assignee: Ricoh Company, Ltd.Inventors: Masayuki Numata, Shunichi Sato
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Publication number: 20110304684Abstract: A surface emitting laser device includes a substrate and plural semiconductor layers laminated on the substrate, the plural semiconductor layers including a first semiconductor multi-layer film including aluminum (Al), an active layer, and a second semiconductor multi-layer film, a light emitting section having a mesa structure being formed on the first semiconductor multi-layer film. When viewed in a direction orthogonal to a surface of the substrate, an outer shape of the first semiconductor multi-layer film is a macroscopically smooth shape without an angular corner, and a side surface of the first semiconductor multi-layer film is coated with a passivation film and a protection film.Type: ApplicationFiled: June 8, 2011Publication date: December 15, 2011Applicant: RICOH COMPANY, LTD.Inventors: Masayuki NUMATA, Shunichi Sato
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Patent number: 6382078Abstract: Disclosed is an attachment structure for a brake-equipped cylinder, comprising a through-hole-equipped bolt formed with a through-hole penetrating therethrough in an axial direction, for integrally joining a main cylinder body and a brake section by being screwed into an attachment hole penetrating through a cylinder tube and a lock body; and an attachment bolt for fixing the main cylinder body and the brake section which are integrally joined to one another, to a wall surface by being inserted through the through-hole.Type: GrantFiled: February 15, 2000Date of Patent: May 7, 2002Assignee: SMC Kabushiki KaishaInventor: Masayuki Numata
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Patent number: 4242365Abstract: A process for producing a dried banana product having a crisp texture and good storage stability comprising:frying slices of fully ripe raw banana flesh in an edible oil as rapidly as possible after slicing while substantially maintaining a pressure of about 30 to about 60 Torr and a frying temperature of about 75.degree. to about 85.degree. C.;removing the banana flesh slices from the frying oil while still maintaining a pressure of about 30 to about 60 Torr;removing the excess frying oil adhering to the banana slices while still maintaining a pressure of about 30 to about 60 Torr; andthereafter restoring the pressure to atmospheric pressure. No anti-browning treatment is required.Type: GrantFiled: September 12, 1979Date of Patent: December 30, 1980Assignee: Meiji Seika Kaisha, Ltd.Inventors: Masayuki Numata, Kenji Sugano