Patents by Inventor Hiroya Kobayakawa
Hiroya Kobayakawa 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: 11488750Abstract: A manufacturing method of shunt resistor according to the present invention includes a step of calculating a difference between an initial resistance value and a desired resistance value as a resistance value to be adjusted, a step of providing a plurality of recess forming members capable of forming recesses each having a characteristic size in the surface of a resistive alloy plate, a recess determining step of determining the size and the number of the recesses necessary to be formed at the surface of the resistive alloy plate, and a recess forming step of forming the recesses according to the size and the number determined in the recess determining step by using the corresponding recess forming members.Type: GrantFiled: October 30, 2020Date of Patent: November 1, 2022Assignee: Suncall CorporationInventors: Hiroya Kobayakawa, Kenji Murakami
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Patent number: 10957472Abstract: A manufacturing method of shunt resistor according to the present invention includes a step of calculating a difference between an initial resistance value and a desired resistance value as a resistance value to be adjusted, a step of providing a plurality of recess forming members capable of forming recesses each having a characteristic size in the surface of a resistive alloy plate, a recess determining step of determining the size and the number of the recesses necessary to be formed at the surface of the resistive alloy plate, and a recess forming step of forming the recesses according to the size and the number determined in the recess determining step by using the corresponding recess forming members.Type: GrantFiled: October 12, 2016Date of Patent: March 23, 2021Assignee: Suncall CorporationInventors: Hiroya Kobayakawa, Kenji Murakami
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Publication number: 20210057132Abstract: A manufacturing method of shunt resistor according to the present invention includes a step of calculating a difference between an initial resistance value and a desired resistance value as a resistance value to be adjusted, a step of providing a plurality of recess forming members capable of forming recesses each having a characteristic size in the surface of a resistive alloy plate, a recess determining step of determining the size and the number of the recesses necessary to be formed at the surface of the resistive alloy plate, and a recess forming step of forming the recesses according to the size and the number determined in the recess determining step by using the corresponding recess forming members.Type: ApplicationFiled: October 30, 2020Publication date: February 25, 2021Inventors: Hiroya KOBAYAKAWA, Kenji MURAKAMI
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Patent number: 10786864Abstract: In manufacturing method of shunt resistor according to the present invention, at least one of first and second conductors that is thicker than a resistance alloy plate member includes a joining surface abutted to the resistance alloy plate member with their edges on one side in a plate-thickness direction being aligned with each other, a first inclined surface that is gradually located on one side in the plate-thickness direction from the joining surface toward the side opposite to the resistance alloy plate member in the plate-surface direction, and a first plate surface extending to the side opposite to the resistance alloy plate member in the plate-surface direction from the first inclined surface. Electron beams or laser is emitted to the joining surfaces of the conductor having the larger thickness and the resistance alloy plate member from one side in the plate-thickness direction to weld the joining surfaces.Type: GrantFiled: November 24, 2016Date of Patent: September 29, 2020Assignee: Suncall CorporationInventors: Shojiro Wakabayashi, Hiroya Kobayakawa
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Publication number: 20200238655Abstract: In a multilayer colored woven fabric of the present invention, at least one of a warp yarn and a weft yarn that form a woven fabric body is dyed with a dye, and a first pigment coating film colored with a first pigment is provided on at least one surface of the woven fabric body. The method of manufacturing the woven fabric may include a dyeing step of dyeing at least one of a warp forming yarn and a weft forming yarn, a weaving step of forming a woven fabric body by using the warp forming yarn and the weft forming yarn after the dyeing step, a first pigment applying step of applying a first coating material containing a first pigment to at least one surface of the woven fabric body, and a first heat-drying step of heat-drying the first coating material to form a first pigment coating film.Type: ApplicationFiled: September 5, 2018Publication date: July 30, 2020Inventors: Yasunori HATTORI, Hiroya KOBAYAKAWA
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Patent number: 10215204Abstract: A region extending over a predetermined distance from a first latch claw center portion, out of an end part on one side in the longitudinal direction of a first latch claw opening, toward one side in the longitudinal direction is bulged radially inward to form a first latch claw while both sides of the center portion do not form the first latch claw. A region extending over a predetermined distance from a second latch claw center portion, out of an end part on the other side in the longitudinal direction of a second latch claw opening, toward the other side in the longitudinal direction is bulged radially outward to form a second latch claw while both sides of the center portion do not form the second latch claw.Type: GrantFiled: December 5, 2014Date of Patent: February 26, 2019Assignee: Suncall CorporationInventors: Hiroya Kobayakawa, Toshiaki Yamashita
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Publication number: 20180333800Abstract: In manufacturing method of shunt resistor according to the present invention, at least one of first and second conductors that is thicker than a resistance alloy plate member includes a joining surface abutted to the resistance alloy plate member with their edges on one side in a plate-thickness direction being aligned with each other, a first inclined surface that is gradually located on one side in the plate-thickness direction from the joining surface toward the side opposite to the resistance alloy plate member in the plate-surface direction, and a first plate surface extending to the side opposite to the resistance alloy plate member in the plate-surface direction from the first inclined surface. Electron beams or laser is emitted to the joining surfaces of the conductor having the larger thickness and the resistance alloy plate member from one side in the plate-thickness direction to weld the joining surfaces.Type: ApplicationFiled: November 24, 2016Publication date: November 22, 2018Applicant: Suncall CorporationInventors: Shojiro WAKABAYASHI, Hiroya KOBAYAKAWA
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Publication number: 20180286542Abstract: A manufacturing method of shunt resistor according to the present invention includes a step of calculating a difference between an initial resistance value and a desired resistance value as a resistance value to be adjusted, a step of providing a plurality of recess forming members capable of forming recesses each having a characteristic size in the surface of a resistive alloy plate, a recess determining step of determining the size and the number of the recesses necessary to be formed at the surface of the resistive alloy plate, and a recess forming step of forming the recesses according to the size and the number determined in the recess determining step by using the corresponding recess forming members.Type: ApplicationFiled: October 12, 2016Publication date: October 4, 2018Applicant: Suncall CorporationInventors: Hiroya KOBAYAKAWA, Kenji MURAKAMI
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Patent number: 9934893Abstract: A shunt resistor according to the present invention includes a pair of electrode plates spaced apart from each other in a plate surface direction and a resistive alloy plate that connects the pair of electrode plates and that has a predetermined set resistance value. A surface of the resistive alloy plate is provided with a visually recognizable character string pattern that is formed by laser processing and that indicates the set resistance value of the resistive alloy plate, and a surface area and a carving depth of the character string pattern are set in such a manner that the resistive alloy plate has the set resistance value.Type: GrantFiled: April 11, 2016Date of Patent: April 3, 2018Assignee: Suncall CorporationInventors: Kenji Murakami, Hiroya Kobayakawa
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Publication number: 20180005734Abstract: A shunt resistor according to the present invention includes a pair of electrode plates spaced apart from each other in a plate surface direction and a resistive alloy plate that connects the pair of electrode plates and that has a predetermined set resistance value. A surface of the resistive alloy plate is provided with a visually recognizable character string pattern that is formed by laser processing and that indicates the set resistance value of the resistive alloy plate, and a surface area and a carving depth of the character string pattern are set in such a manner that the resistive alloy plate has the set resistance value.Type: ApplicationFiled: April 11, 2016Publication date: January 4, 2018Inventors: Kenji MURAKAMI, Hiroya KOBAYAKAWA
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Publication number: 20170227030Abstract: A region extending over a predetermined distance from a first latch claw center portion, out of an end part on one side in the longitudinal direction of a first latch claw opening, toward one side in the longitudinal direction is bulged radially inward to form a first latch claw while both sides of the center portion do not form the first latch claw. A region extending over a predetermined distance from a second latch claw center portion, out of an end part on the other side in the longitudinal direction of a second latch claw opening, toward the other side in the longitudinal direction is bulged radially outward to form a second latch claw while both sides of the center portion do not form the second latch claw.Type: ApplicationFiled: December 5, 2014Publication date: August 10, 2017Applicant: Suncall CorporationInventors: Hiroya KOBAYAKAWA, Toshiaki YAMASHITA
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Publication number: 20010031166Abstract: A carriage guide shaft for guiding a carriage of a printer, includes: a carriage guide shaft main body, the circumferential surface thereof having a circumferential surface portion in a range for guiding the carriage, and a low frictional film including a low frictional solid lubricant and formed on at least the circumferential surface portion of the carriage guide shaft main body.Type: ApplicationFiled: March 16, 2001Publication date: October 18, 2001Inventor: Hiroya Kobayakawa