Patents by Inventor Hiroaki Uetake
Hiroaki Uetake 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: 8264818Abstract: Provided is an electric double layer capacitor capable of simply connecting a current collector to an external electrode at a low cost and ensuring a sealing property of a container. The electric double layer capacitor includes: a container in which an opening of a concave portion is sealed; an electrolytic solution and a pair of electrode active materials which are accommodated inside the container; and a pair of conductive films which is respectively and electrically connected to the pair of electrode active materials and is formed from a bottom surface of the concave portion to a surface of the container through an opening edge.Type: GrantFiled: January 20, 2010Date of Patent: September 11, 2012Assignee: Seiko Instruments Inc.Inventors: Tsuneaki Tamachi, Hiroaki Uetake, Shunji Watanabe
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Publication number: 20100183915Abstract: Provided is an electric double layer capacitor capable of simply connecting a current collector to an external electrode at a low cost and ensuring a sealing property of a container. The electric double layer capacitor includes: a container in which an opening of a concave portion is sealed; an electrolytic solution and a pair of electrode active materials which are accommodated inside the container; and a pair of conductive films which is respectively and electrically connected to the pair of electrode active materials and is formed from a bottom surface of the concave portion to a surface of the container through an opening edge.Type: ApplicationFiled: January 20, 2010Publication date: July 22, 2010Inventors: Tsuneaki Tamachi, Hiroaki Uetake, Shunji Watanabe
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Patent number: 7755259Abstract: To provide an airtight terminal and a piezoelectric vibrator having a strong rigidity of a lead despite a small-sized constitution, and provide a method of fabricating an airtight terminal constituting a lead penetrating inside of a stem by one piece and a piezoelectric vibrator with an excellent yield. A stem 11 filled with a filling member 13 is penetrated only with one piece of a lead 12 formed from a lead frame. As an electric terminal, a conductive lead 16 connected to the stem 11 is provided other than the lead 12. The lead 12 and the conductive lead 16 of an airtight terminal 10 constituted by the stem 11, the lead 12, the filling member 13, the conductive lead 16 are connected to a piezoelectric vibrating piece 20, further, the stem 11 is capped to a case 30 to thereby constitute a piezoelectric vibrator 1.Type: GrantFiled: January 16, 2009Date of Patent: July 13, 2010Assignee: Seiko Instruments Inc.Inventors: Hiroaki Uetake, Yuki Hoshi
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Patent number: 7570135Abstract: A method is provided for producing a piezoelectric vibrator having an airtight terminal comprised of an annular stem, a lead disposed to pass through the stem and formed of a conductive material, and a filler for fixing the lead in the stem, and the piezoelectric vibrator having a vibrating piece connected to the lead of the airtight terminal and a case bonded to the airtight terminal to cover the vibrating piece. The method comprises an airtight terminal production process that produces the airtight terminal on a lead frame, and a piezoelectric vibrator assembly process that assembles the piezoelectric vibrator using the produced airtight terminal and on the same lead frame on which the airtight terminal is produced.Type: GrantFiled: January 27, 2006Date of Patent: August 4, 2009Assignee: Seiko Instruments Inc.Inventors: Yoshifumi Nishino, Hiroaki Uetake, Yuki Hoshi
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Publication number: 20090152992Abstract: To provide an airtight terminal and a piezoelectric vibrator having a strong rigidity of a lead despite a small-sized constitution, and provide a method of fabricating an airtight terminal constituting a lead penetrating inside of a stem by one piece and a piezoelectric vibrator with an excellent yield. A stem 11 filled with a filling member 13 is penetrated only with one piece of a lead 12 formed from a lead frame. As an electric terminal, a conductive lead 16 connected to the stem 11 is provided other than the lead 12. The lead 12 and the conductive lead 16 of an airtight terminal 10 constituted by the stem 11, the lead 12, the filling member 13, the conductive lead 16 are connected to a piezoelectric vibrating piece 20, further, the stem 11 is capped to a case 30 to thereby constitute a piezoelectric vibrator 1.Type: ApplicationFiled: January 16, 2009Publication date: June 18, 2009Applicant: Seiko Instruments Inc.Inventors: Hiroaki Uetake, Yuki Hoshi
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Patent number: 7493680Abstract: To provide an airtight terminal and a piezoelectric vibrator having a strong rigidity of a lead despite a small-sized constitution, and provide a method of fabricating an airtight terminal constituting a lead penetrating inside of a stem by one piece and a piezoelectric vibrator with an excellent yield. A stem 11 filled with a filling member 13 is penetrated only with one piece of a lead 12 formed from a lead frame. As an electric terminal, a conductive lead 16 connected to the stem 11 is provided other than the lead 12. The lead 12 and the conductive lead 16 of an airtight terminal 10 constituted by the stem 11, the lead 12, the filling member 13, the conductive lead 16 are connected to a piezoelectric vibrating piece 20, further, the stem 11 is capped to a case 30 to thereby constitute a piezoelectric vibrator 1.Type: GrantFiled: October 24, 2006Date of Patent: February 24, 2009Assignee: Seiko Instruments Inc.Inventors: Hiroaki Uetake, Yuki Hoshi
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Patent number: 7475460Abstract: A method for producing an airtight terminal having an annular stem, a lead passing through the stem and formed of a conductive material, and a filler for fixing the lead in the stem includes (1) a lead contour formation step of disposing a base and a lead formation portion on a plate- or strip-shaped conductive material and forming a contour of the lead on the lead formation portion with at least one end of the lead connected to the base, (2) a filler shaping and sintering step of filling the lead having a contour with the filler in a predetermined position and shaping and sintering the filler, (3) a stem mounting step of mounting the stem to a perimeter of the sintered filler, (4) a firing step of heating, melting, and cooling the sintered filler in the stem and bringing the lead into close contact with the stem to fix the lead to the stem through the filler, (5) a metal film formation step of forming a metal film on a surface of the lead, and (6) a cutting step of separating the one end of the lead from theType: GrantFiled: January 24, 2006Date of Patent: January 13, 2009Assignee: Seiko Instruments Inc.Inventors: Yoshifumi Nishino, Hiroaki Uetake, Yuki Hoshi
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Patent number: 7397171Abstract: To propose a structure of a small-sized airtight terminal capable of restraining a reduction in yield of steps of fabricating an airtight terminal and steps of integrating a piezoelectric vibrator and a mold structure of a surface mount type piezoelectric vibrator in correspondence with the airtight terminal, there is provided a surface mount type piezoelectric vibrator including a piezoelectric vibrating piece having a pair of exciting electrodes, a first electrode of the pair of exciting electrodes being electrically connected to the lead, and a second electrode thereof being electrically connected to a stem of an airtight terminal, a case of a bottomed cylinder type fixed to the stem to cover the piezoelectric vibrating piece to form an airtight space, a first external electrode terminal electrically conductive to the first electrode by way of the lead, a second external electrode terminal electrically conductive to the second electrode, and a mold resin molded to be formed on surfaces of the case and theType: GrantFiled: August 17, 2006Date of Patent: July 8, 2008Assignee: Seiko Instruments, Inc.Inventors: Hiroaki Uetake, Yuki Hoshi
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Publication number: 20070090727Abstract: To provide an airtight terminal and a piezoelectric vibrator having a strong rigidity of a lead despite a small-sized constitution, and provide a method of fabricating an airtight terminal constituting a lead penetrating inside of a stem by one piece and a piezoelectric vibrator with an excellent yield. A stem 11 filled with a filling member 13 is penetrated only with one piece of a lead 12 formed from a lead frame. As an electric terminal, a conductive lead 16 connected to the stem 11 is provided other than the lead 12. The lead 12 and the conductive lead 16 of an airtight terminal 10 constituted by the stem 11, the lead 12, the filling member 13, the conductive lead 16 are connected to a piezoelectric vibrating piece 20, further, the stem 11 is capped to a case 30 to thereby constitute a piezoelectric vibrator 1.Type: ApplicationFiled: October 24, 2006Publication date: April 26, 2007Inventors: Hiroaki Uetake, Yuki Hoshi
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Publication number: 20070046150Abstract: To propose a structure of a small-sized airtight terminal capable of restraining a reduction in yield of steps of fabricating an airtight terminal and steps of integrating a piezoelectric vibrator and a mold structure of a surface mount type piezoelectric vibrator in correspondence with the airtight terminal, there is provided a surface mount type piezoelectric vibrator including a piezoelectric vibrating piece having a pair of exciting electrodes, a first electrode of the pair of exciting electrodes being electrically connected to the lead, and a second electrode thereof being electrically connected to a stem of an airtight terminal, a case of a bottomed cylinder type fixed to the stem to cover the piezoelectric vibrating piece to form an airtight space, a first external electrode terminal electrically conductive to the first electrode by way of the lead, a second external electrode terminal electrically conductive to the second electrode, and a mold resin molded to be formed on surfaces of the case and theType: ApplicationFiled: August 17, 2006Publication date: March 1, 2007Inventors: Hiroaki Uetake, Yuki Hoshi
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Publication number: 20060176127Abstract: A piezoelectric vibrator production method is disclosed, which can cope with a reduction in piezoelectric vibrator size and improve assembly accuracy and quality. The method of producing a piezoelectric vibrator having an airtight terminal composed of an annular stem, a lead disposed to pass through the stem and formed of a conductive material, and a filler for fixing the lead in the stem, a vibrating piece connected to the lead, and a case bonded to the airtight terminal to cover the vibrating piece, the method comprising an airtight terminal production process for producing the airtight terminal, and a piezoelectric vibrator assembly process for assembling the piezoelectric vibrator using the airtight terminal, wherein in the airtight terminal production process and the piezoelectric vibrator assembly process, the airtight terminal is arranged and held on a same lead frame and is caused to flow consistently.Type: ApplicationFiled: January 27, 2006Publication date: August 10, 2006Inventors: Yoshifumi Nishino, Hiroaki Uetake, Yuki Hoshi
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Publication number: 20060177948Abstract: An airtight terminal that is small but provides good yield and a method for producing the same, an airtight terminal best suited for use in a piezoelectric vibrator and a method for producing the same, and a small piezoelectric vibrator with a small change in properties that uses these airtight terminals are to be provided.Type: ApplicationFiled: January 24, 2006Publication date: August 10, 2006Inventors: Yoshifumi Nishino, Hiroaki Uetake, Yuki Hoshi
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Patent number: 5660694Abstract: The present invention provides a film forming method and apparatus which are capable of continuously changing the density or composition in the direction of film thickness of a deposited film, and which are capable of obtaining high quality films in a stable manner.Type: GrantFiled: October 16, 1995Date of Patent: August 26, 1997Assignee: Tadahiro OhmiInventors: Tadahiro Ohmi, Tadashi Shibata, Hiroaki Uetake, Kazuhisa Miyashita