Patents by Inventor Takeshi Aiba
Takeshi Aiba 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: 12059744Abstract: There is provided a laser machining device including a heat radiation measurement unit that measures intensity of heat radiation of a workpiece irradiated with a laser beam, and a determination unit that determines a state of a target by defining an object used in machining work as the target, based on the intensity of the heat radiation measured by the heat radiation measurement unit.Type: GrantFiled: September 4, 2019Date of Patent: August 13, 2024Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Teppei Tanaka, Satoshi Aizawa, Takeshi Aiba
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Patent number: 12062544Abstract: A laser annealing method for a semiconductor device, includes: a first step of adding an impurity to a semiconductor substrate; and a second step of irradiating a region to which the impurity is added with a pulsed laser beam a plurality of times to anneal the semiconductor substrate. In the second step, a first region of a portion of the region to which the impurity is added is irradiated with the pulsed laser beam, and after a predetermined time interval, a second region adjacent to the first region is irradiated with the pulsed laser beam. The predetermined time interval is larger than a pulse interval of the pulsed laser beam.Type: GrantFiled: December 21, 2020Date of Patent: August 13, 2024Assignees: SUMITOMO HEAVY INDUSTRIES, LTD., FUJI ELECTRIC CO., LTD.Inventors: Takeshi Aiba, Hiroshi Takishita, Takashi Yoshimura
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Publication number: 20230386844Abstract: A method of manufacturing a semiconductor device includes: performing laser annealing on a silicon substrate in which point defects are generated due to ion implantation of a dopant to activate the dopant; and growing the point defects into {311} defects or dislocation loops and using the {311} defects or the dislocation loops as lifetime killers.Type: ApplicationFiled: August 15, 2023Publication date: November 30, 2023Inventors: Suguru YACHI, Takeshi AIBA
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Patent number: 11666987Abstract: A laser power control device includes a storage unit that stores relational data having a measurement value of a heat radiation sensor, which measures intensity of heat radiation of an irradiation object irradiated with a laser beam from a laser machining device in association with a power value of the laser beam on a machining surface of the laser machining device.Type: GrantFiled: September 10, 2020Date of Patent: June 6, 2023Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Takeshi Aiba
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Publication number: 20210111026Abstract: A laser annealing method for a semiconductor device, includes: a first step of adding an impurity to a semiconductor substrate; and a second step of irradiating a region to which the impurity is added with a pulsed laser beam a plurality of times to anneal the semiconductor substrate. In the second step, a first region of a portion of the region to which the impurity is added is irradiated with the pulsed laser beam, and after a predetermined time interval, a second region adjacent to the first region is irradiated with the pulsed laser beam. The predetermined time interval is larger than a pulse interval of the pulsed laser beam.Type: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Inventors: Takeshi Aiba, Hiroshi Takishita, Takashi Yoshimura
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Publication number: 20200406395Abstract: A laser power control device includes a storage unit that stores relational data having a measurement value of a heat radiation sensor, which measures intensity of heat radiation of an irradiation object irradiated with a laser beam from a laser machining device in association with a power value of the laser beam on a machining surface of the laser machining device.Type: ApplicationFiled: September 10, 2020Publication date: December 31, 2020Inventor: Takeshi Aiba
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Publication number: 20200016691Abstract: There is provided a laser machining device including a heat radiation measurement unit that measures intensity of heat radiation of a workpiece irradiated with a laser beam, and a determination unit that determines a state of a target by defining an object used in machining work as the target, based on the intensity of the heat radiation measured by the heat radiation measurement unit.Type: ApplicationFiled: September 4, 2019Publication date: January 16, 2020Inventors: Teppei Tanaka, Satoshi Aizawa, Takeshi Aiba
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Patent number: 9180559Abstract: A method comprising: (a). providing a device comprising: a movable table having a movement gage; a gage for measuring a dimension of one or more bearing blanks; and a machining tool for machining the one or more bearing blanks; (b). prompting a user to input one or more process variables; (c). supplying the one or more bearing blank into the device; (d). moving the bearing blank to a table grinding position; and (e). measuring the dimension of the one or more bearing blanks using the gage; (f). measuring a distance moved by the movable table so that a reference measurement is provided; and (g). comparing the measurement of step (e) to the reference measurement of step (f).Type: GrantFiled: July 26, 2013Date of Patent: November 10, 2015Assignee: NSK Americas, Inc.Inventors: Jose Cabral, John Clark, Takeshi Aiba
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Patent number: 9157163Abstract: An object of the present invention is to provide an electrodeposition paint composition and a method of forming an electrodeposited coating, which exhibit quality of coating deposition even in the interior of narrow spaces of objects subjected to painting. A solution of the object is cationic electrodeposition paint composition in which in an aqueous medium contained are a cationic epoxy resin, a blocked isocyanate curing agent, a hydrophobic agent wherein an SP value of the hydrophobic agent (C) is 10.2 or more and less than 10.6 and is lower by 0.6 to 1.0 than an SP value of the cationic epoxy resin, a viscosity modifier, and a neutralizing acid, and in which coulombic efficiency of the cationic electrodeposition paint composition is 2.0 to 2.5 mg/(?m·C). A voltage boost rate of the voltage in painting is 30 to 70V/10 seconds.Type: GrantFiled: May 11, 2012Date of Patent: October 13, 2015Assignee: NISSAN MOTOR CO., LTD.Inventors: Masahiro Takegawa, Masatoshi Tanaka, Takeshi Aiba, Takeshi Nomoto
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Patent number: 9127176Abstract: A cationic electrodeposition coating is provided having excellent covering power (clearance application properties), edge anticorrosion properties, and finish properties. The cationic electrodeposition coating composition comprises a specific amino-group-containing epoxy resin; blocked polyisocyanate obtained by reacting an active hydrogen-containing component containing propylene glycol, and a polyisocyanate compound; and 0.1-20 mass parts of a cationic electrodepositing gelled microparticulate polymer obtained by crosslinking an acrylic copolymer containing hydrolyzable alkoxysilane groups and cationic groups, per a total of 100 mass parts of the solids fraction of the amino-group-containing epoxy resin and the blocked polyisocyanate compound.Type: GrantFiled: June 28, 2012Date of Patent: September 8, 2015Assignee: NISSAN MOTOR CO., LTD.Inventors: Takeshi Aiba, Takeshi Nomoto, Fumiaki Nakao
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Publication number: 20140151230Abstract: A cationic electrodeposition coating is provided having excellent covering power (clearance application properties), edge anticorrosion properties, and finish properties. The cationic electrodeposition coating composition comprises a specific amino-group-containing epoxy resin; blocked polyisocyanate obtained by reacting an active hydrogen-containing component containing propylene glycol, and a polyisocyanate compound; and 0.1-20 mass parts of a cationic electrodepositing gelled microparticulate polymer obtained by crosslinking an acrylic copolymer containing hydrolyzable alkoxysilane groups and cationic groups, per a total of 100 mass parts of the solids fraction of the amino-group-containing epoxy resin and the blocked polyisocyanate compound.Type: ApplicationFiled: June 28, 2012Publication date: June 5, 2014Applicant: NISSAN MOTOR CO., LTD.Inventors: Takeshi Aiba, Takeshi Nomoto, Fumiaki Nakao
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Publication number: 20140124375Abstract: An object of the present invention is to provide an electrodeposition paint composition and a method of forming an electrodeposited coating, which exhibit quality of coating deposition even in the interior of narrow spaces of objects subjected to painting. A solution of the object is cationic electrodeposition paint composition in which in an aqueous medium contained are a cationic epoxy resin, a blocked isocyanate curing agent, a hydrophobic agent wherein an SP value of the hydrophobic agent (C) is 10.2 or more and less than 10.6 and is lower by 0.6 to 1.0 than an SP value of the cationic epoxy resin, a viscosity modifier, and a neutralizing acid, and in which coulombic efficiency of the cationic electrodeposition paint composition is 2.0 to 2.5 mg/(?m·C). A voltage boost rate of the voltage in painting is 30 to 70V/10 seconds.Type: ApplicationFiled: May 11, 2012Publication date: May 8, 2014Inventors: Masahiro Takegawa, Masatoshi Tanaka, Takeshi Aiba, Takeshi Nomoto
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Publication number: 20140047716Abstract: A method comprising: (a). providing a device comprising: a movable table having a movement gage; a gage for measuring a dimension of one or more bearing blanks; and a machining tool for machining the one or more bearing blanks; (b). prompting a user to input one or more process variables; (c). supplying the one or more bearing blank into the device; (d). moving the bearing blank to a table grinding position; and (e). measuring the dimension of the one or more bearing blanks using the gage; (f). measuring a distance moved by the movable table so that a reference measurement is provided; and (g). comparing the measurement of step (e) to the reference measurement of step (f).Type: ApplicationFiled: July 26, 2013Publication date: February 20, 2014Applicant: NSK Americas, Inc.Inventors: Jose Cabral, John Clark, Takeshi Aiba
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Patent number: 4531284Abstract: An automatic assembling machine is disclosed for use with a carrier having parts arranged on it in predefined positional relationships which are defined by predetermined distances therebetween in two orthogonal directions. A movable table supports the carrier and moves in two orthogonal directions in a horizontal plan. A mounting surface extends above the plane of the movable table and has first and second portions which are parallel to the two orthogonal directions. At least one working unit is attached to at least one of the portions of the mounting surface to cooperate with movements of the table in assembling the parts on the carrier.Type: GrantFiled: September 6, 1984Date of Patent: July 30, 1985Assignee: Sony CorporationInventors: Tamiaki Matsuura, Takeshi Aiba, Takashi Fukushima, Masanori Nishimura, Hiroshi Ohtsuki, Fujio Yabuki, Tomio Kusakabe
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Patent number: 4494298Abstract: An automatic assembling apparatus includes a pair of parallel conveyers for transferring carriers, each carrier having four chassis and parts to be assembled on the chassis; a plurality of assembly stations, each having a movable table on which various assembling operations can be performed with respect to the carriers; a carrier loader associated with each assembly station and movable between a first position in opposing relation to the movable table thereof and a second position in opposing relation to the conveyers, and having a pair of chucking stations in opposing relation to the pair of parallel conveyors, respectively, when the carrier loader is at the second position for simultaneously feeding and discharging the carriers to and from the conveyers and in opposing relation to the respective assembly station when the carrier loader is at the first position for feeding and discharging the carriers to and from the respective assembly station; a plurality of stopping members associated with respective onesType: GrantFiled: May 21, 1982Date of Patent: January 22, 1985Assignee: Sony CorporationInventors: Tamiaki Matsuura, Takeshi Aiba, Takashi Fukushima, Masanori Nishimura, Hiroshi Ohtsuki, Fujio Yabuki, Tomio Kusakabe
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Patent number: 4476627Abstract: A machine for automatically assembling equipment composed of parts at least some of which are arranged on a carrier includes a movable table which supports the carrier and which moves in two orthogonal directions in a horizontal plane. A tray is supported on the table and has additional parts or tools arranged thereon for use during assembly. A mounting surface extends above the plane of the movable table and has first and second portions parallel to the two orthogonal directions. At least one working unit is attached to at least one of the portions of the mounting surface for selective engagement with the parts and the tools on the tray upon movements of the movable table in assembling the equipment.Type: GrantFiled: June 23, 1982Date of Patent: October 16, 1984Assignee: Sony CorporationInventors: Tamiaki Matsuura, Takeshi Aiba, Takashi Fukushima, Masanori Nishimura, Hiroshi Ohtsuki, Fujio Yabuki, Tomio Kusakabe
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Patent number: 4473935Abstract: A carrier for supplying to an automatic assembling machine at least one chassis and several parts to be assembled on each chassis includes a first portion for receiving each chassis and a second portion associated with the first portion for storing the parts to be assembled on the chassis. According to the method, the chassis are loaded on the first portions of the carrier and sets of corresponding parts are loaded on the second portions in a predetermined relationship, whereupon, corresponding parts of the sets are simultaneously transferred to the respective chassis.Type: GrantFiled: June 11, 1982Date of Patent: October 2, 1984Assignee: Sony CorporationInventors: Tamiaki Tatsuura, Takeshi Aiba, Takashi Fukushima, Masanori Nishimura, Hiroshi Otsuki, Fujio Yabuki, Tomio Kusakabe