Patents by Inventor Takuya Funakubo
Takuya Funakubo 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: 9920910Abstract: In a first aspect of the present invention, it is suggested that a mounting method for mounting light-emitting elements as evenly as possible in a mounting area of a lighting device may permit increased number of light-emitting elements. In a second aspect of the present invention, a lighting device including a substrate with a circular mounting area, a plurality of light-emitting elements configured to be positioned at centers of equal smaller circular areas that are calculated to be equal in size in the circular mounting area, the equal smaller circular areas being equal in size to each other and set as large as possible without an overlapping portion in the circular mounting area, a total area of the equal smaller circular areas being smaller than the circular mounting area, and the light-emitting elements and the equal smaller circular areas being the same in number is suggested.Type: GrantFiled: November 23, 2012Date of Patent: March 20, 2018Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventor: Takuya Funakubo
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Patent number: 9335035Abstract: In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode.Type: GrantFiled: August 5, 2015Date of Patent: May 10, 2016Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventor: Takuya Funakubo
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Patent number: 9291339Abstract: In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode.Type: GrantFiled: August 5, 2015Date of Patent: March 22, 2016Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventor: Takuya Funakubo
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Publication number: 20150345763Abstract: In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode.Type: ApplicationFiled: August 5, 2015Publication date: December 3, 2015Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventor: TAKUYA FUNAKUBO
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Patent number: 9146026Abstract: In accordance with an aspect of the present inventive subject matter, a lighting device includes light-emitting elements that are mounted in a circular mounting area to be directed in a same direction in the circular mounting area between a first connecting electrode and a second connecting electrode disposed on a substrate, the light-emitting elements are divided into groups each including the same number of light-emitting elements, the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode. As another aspect of the present inventive subject matter, a method of manufacturing a lighting device is disclosed.Type: GrantFiled: June 30, 2014Date of Patent: September 29, 2015Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventor: Takuya Funakubo
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Publication number: 20150091029Abstract: The purpose of the present invention is to provide an LED light emitting apparatus, which has both the high reliability with respect to connection of the LED elements, and improved light extraction efficiency. This LED light emitting apparatus includes a mounting substrate having an element mounting region, in which a reflection layer is formed; a plurality of LED elements mounted in the element mounting region; a pair of facing electrodes, which have gold plating layers formed thereon, respectively, which are provided around the element mounting region, and which are connected to the LED elements by wire bonding; and a sealing frame, which is disposed around the element mounting region so as to cover the pair of facing electrodes. The inner circumference of the sealing frame is provided at a position where the inner circumference of the sealing frame covers the outer circumference of the reflection layer.Type: ApplicationFiled: March 15, 2013Publication date: April 2, 2015Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventor: Takuya Funakubo
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Publication number: 20140313724Abstract: In accordance with an aspect of the present inventive subject matter, a lighting device includes light-emitting elements that are mounted in a circular mounting area to be directed in a same direction in the circular mounting area between a first connecting electrode and a second connecting electrode disposed on a substrate, the light-emitting elements are divided into groups each including the same number of light-emitting elements, the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode. As another aspect of the present inventive subject matter, a method of manufacturing a lighting device is disclosed.Type: ApplicationFiled: June 30, 2014Publication date: October 23, 2014Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventor: Takuya Funakubo
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Patent number: 8833982Abstract: In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode.Type: GrantFiled: November 30, 2012Date of Patent: September 16, 2014Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventor: Takuya Funakubo
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Patent number: D590358Type: GrantFiled: May 29, 2008Date of Patent: April 14, 2009Assignee: Citizen Electronics Co., Ltd.Inventors: Junji Miyashita, Kosuke Tsuchiya, Takuya Funakubo
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Patent number: D591247Type: GrantFiled: May 29, 2008Date of Patent: April 28, 2009Assignee: Citizen Electronics Co., Ltd.Inventors: Junji Miyashita, Kosuke Tsuchiya, Takuya Funakubo
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Patent number: D742553Type: GrantFiled: July 25, 2013Date of Patent: November 3, 2015Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventors: Takuya Funakubo, Yuichi Miura
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Patent number: D771579Type: GrantFiled: November 21, 2014Date of Patent: November 15, 2016Assignees: Citizens Electronics Co., Ltd., Citizens Holdings Co., Ltd.Inventors: Hiroaki Eguchi, Sadato Imai, Tatsuya Katoh, Takuya Funakubo, Takeru Ohmori
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Patent number: D779689Type: GrantFiled: September 2, 2015Date of Patent: February 21, 2017Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Takuya Funakubo, Yuichi Miura
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Patent number: D796457Type: GrantFiled: October 6, 2016Date of Patent: September 5, 2017Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Takuya Funakubo, Takeru Ohmori
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Patent number: D834542Type: GrantFiled: March 3, 2017Date of Patent: November 27, 2018Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Takuya Funakubo, Takeru Ohmori
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Patent number: D902875Type: GrantFiled: September 14, 2018Date of Patent: November 24, 2020Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Takuya Funakubo, Takeru Ohmori