Patents by Inventor Tomohiro Shigekawa

Tomohiro Shigekawa 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).

  • Patent number: 10722963
    Abstract: A soldering iron including an iron main body; and an iron tip having a leading end configured to fuse solder, the iron tip including an iron tip main body of a thermal conductive material; a heater configured to heat the iron tip main body, and a temperature sensor configured to detect a temperature of the leading end side of the iron tip, wherein, a first hole part accommodating the heater and a second hole part accommodating the temperature sensor are formed independent of each other inside the iron tip main body.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: July 28, 2020
    Assignee: Taiyo Electric Ind. Co., Ltd.
    Inventors: Tomohiro Shigekawa, Hikaru Mishima, Kazuhiro Fujimoto
  • Patent number: 10232456
    Abstract: A soldering iron including an iron main body and an iron tip includes an iron tip main body having a hollow space inside extending along a longitudinal direction; an insulator tube in the hollow space; a heater wire to heat the iron tip main body, and a temperature sensor to detect a temperature of the leading end side of the iron tip, the heater wire includes: an outward route part extending towards a leading end of the iron tip, and a return route part extending towards a base end of the iron tip, while the heater wire folded back at a vicinity of the leading end of the iron tip being wound around the insulator tube, in the insulator tube, a heater wire hole to accommodate the return route part of the heater wire and a sensor wire hole to accommodate a sensor wire are formed independent of each other.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: March 19, 2019
    Assignee: Taiyo Electric Ind. Co., Ltd.
    Inventors: Eiichiro Kataoka, Tomohiro Shigekawa, Ikuko Fukuyama, TOmoko Nishimura, Kento Inoue
  • Publication number: 20170368627
    Abstract: A soldering iron including an iron main body; and an iron tip having a leading end configured to fuse solder, the iron tip including an iron tip main body of a thermal conductive material; a heater configured to heat the iron tip main body, and a temperature sensor configured to detect a temperature of the leading end side of the iron tip, wherein, a first hole part accommodating the heater and a second hole part accommodating the temperature sensor are formed independent of each other inside the iron tip main body.
    Type: Application
    Filed: January 18, 2017
    Publication date: December 28, 2017
    Inventors: Tomohiro Shigekawa, Hikaru Mishima, Kazuhiro Fujimoto
  • Publication number: 20170182577
    Abstract: A soldering iron including an iron main body and an iron tip includes an iron tip main body having a hollow space inside extending along a longitudinal direction; an insulator tube in the hollow space; a heater wire to heat the iron tip main body, and a temperature sensor to detect a temperature of the leading end side of the iron tip, the heater wire includes: an outward route part extending towards a leading end of the iron tip, and a return route part extending towards a base end of the iron tip, while the heater wire folded back at a vicinity of the leading end of the iron tip being wound around the insulator tube, in the insulator tube, a heater wire hole to accommodate the return route part of the heater wire and a sensor wire hole to accommodate a sensor wire are formed independent of each other.
    Type: Application
    Filed: December 8, 2016
    Publication date: June 29, 2017
    Inventors: Eiichiro Kataoka, Tomohiro Shigekawa, Ikuko Fukuyama, Tomoko Nishimura, Kento Inoue
  • Patent number: 7745760
    Abstract: A soldering iron provided with a soldering tip that melts solder at a distal end, having inside said soldering tip a substantially cylindrical insertion fit recess portion extending from a proximal end of the soldering tip to the distal end, opening at the proximal end, and a heater formed into a coil shape and whose surface is covered with an insulating oxide film being fittingly inserted into the insertion fit recess portion.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: June 29, 2010
    Assignee: Taiyo Electric Ind. Co., Ltd.
    Inventor: Tomohiro Shigekawa
  • Patent number: 7626140
    Abstract: A soldering iron including: a soldering tip that melts solder at a distal end; an iron body to which the soldering tip is fixed; at least one male connecting end provided at a base end of the soldering tip; at least one female connecting end built into the distal end of the iron body and into which the male connecting end is fittingly inserted; and a grip having heat insulating properties provided around the outer periphery of the soldering tip to cover the base end region of the soldering tip.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: December 1, 2009
    Assignee: Taiyo Electric Ind. Co., Ltd.
    Inventor: Tomohiro Shigekawa
  • Publication number: 20080010808
    Abstract: A soldering iron provided with a soldering tip that melts solder at a distal end, having inside said soldering tip a substantially cylindrical insertion fit recess portion extending from a proximal end of the soldering tip to the distal end, opening at the proximal end, and a heater formed into a coil shape and whose surface is covered with an insulating oxide film being fittingly inserted into the insertion fit recess portion.
    Type: Application
    Filed: August 31, 2007
    Publication date: January 17, 2008
    Applicant: TAIYO ELECTRIC IND. CO., LTD.
    Inventor: Tomohiro Shigekawa
  • Patent number: 7291809
    Abstract: A soldering iron provided with a soldering tip that melts solder at a distal end, having inside said soldering tip a substantially cylindrical insertion fit recess portion extending from a proximal end of the soldering tip to the distal end, opening at the proximal end, and a heater formed into a coil shape and whose surface is covered with an insulating oxide film being fittingly inserted into the insertion fit recess portion.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: November 6, 2007
    Assignee: Taiyo Electric Ind. Co., Ltd.
    Inventor: Tomohiro Shigekawa
  • Publication number: 20060157467
    Abstract: A soldering iron including: a soldering tip that melts solder at a distal end; an iron body to which the soldering tip is fixed; at least one male connecting end provided at a base end of the soldering tip; at least one female connecting end built into the distal end of the iron body and into which the male connecting end is fittingly inserted; and a grip having heat insulating properties provided around the outer periphery of the soldering tip to cover the base end region of the soldering tip.
    Type: Application
    Filed: December 22, 2005
    Publication date: July 20, 2006
    Applicant: Taiyo Electric Ind. Co., Ltd.
    Inventor: Tomohiro Shigekawa
  • Publication number: 20060108345
    Abstract: A soldering iron provided with a soldering tip that melts solder at a distal end, having inside said soldering tip a substantially cylindrical insertion fit recess portion extending from a proximal end of the soldering tip to the distal end, opening at the proximal end, and a heater formed into a coil shape and whose surface is covered with an insulating oxide film being fittingly inserted into the insertion fit recess portion.
    Type: Application
    Filed: November 22, 2005
    Publication date: May 25, 2006
    Applicant: Taiyo Electric Ind. Co., Ltd.
    Inventor: Tomohiro Shigekawa
  • Patent number: D530168
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: October 17, 2006
    Assignee: Taiyo Electric Ind. Co., Ltd.
    Inventors: Tetsuyuki Doi, Tomohiro Shigekawa