Patents by Inventor Kenzi Takahasi
Kenzi Takahasi 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: 9080757Abstract: A bulb-type lamp having both heat dissipation and size/weight reduction properties with a lower thermal load on a lighting circuit. An LED module is mounted in a case with a base member to allow dissipation of heat. An LED mount member closes another end of the case and allows conduction of heat to the case. A lighting circuit receives power via the base member. The lighting circuit is disposed inside a circuit holder. An air space exists between the circuit holder and both the case and the mount member. The lighting circuit is isolated from the air space by the circuit holder. A relationship 0.5?S1/S2?3.0, is satisfied where S1 denotes an area of a portion of the mount member in contact with the case and S2 denotes an area of the portion of the mount member in contact with a substrate of the LED module.Type: GrantFiled: August 2, 2012Date of Patent: July 14, 2015Assignee: Panasonic CorporationInventors: Kenzi Takahasi, Yasushige Tomiyoshi, Takaari Uemoto, Hideo Nagai, Mamoru Takeda, Yoshio Manabe
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Patent number: 8439527Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb comprises: an LED module on which LEDs are mounted; a cylindrically-shaped case having openings at both ends, which are first and second ends; a mount member on a front surface of which the LED module is mounted, the mount member closing a corresponding one of the openings of the case by being in contact with an inner circumferential surface of the first end of the case; a base member attached to the second end of the case; and a lighting circuit that is disposed inside the case. A wall thickness of the case is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case decreases from the first end toward the second end of the case.Type: GrantFiled: September 23, 2011Date of Patent: May 14, 2013Assignee: Panasonic CorporationInventors: Kenzi Takahasi, Yasushige Tomiyoshi, Satoshi Shida, Tatsumi Setomoto, Akira Taniuchi, Takaari Uemoto, Hideo Nagai
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Patent number: 8322898Abstract: A bulb-type lamp having both heat dissipation and size/weight reduction properties with a lower thermal load on a lighting circuit. An LED module is mounted in a case with a base member to allow dissipation of heat. An LED mount member closes another end of the case and allows conduction of heat to the case. A lighting circuit receives power via the base member. The lighting circuit is disposed inside a circuit holder. An air space exists between the circuit holder and both the case and the mount member. The lighting circuit is isolated from the air space by the circuit holder. A relationship 0.5?S1/S2?3.0, is satisfied where S1 denotes an area of a portion of the mount member in contact with the case and S2 denotes an area of the portion of the mount member in contact with a substrate of the LED module.Type: GrantFiled: August 31, 2011Date of Patent: December 4, 2012Assignee: Panasonic CorporationInventors: Kenzi Takahasi, Yasushige Tomiyoshi, Takaari Uemoto, Hideo Nagai, Mamoru Takeda, Yoshio Manabe
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Publication number: 20120300448Abstract: A bulb-type lamp having both heat dissipation and size/weight reduction properties with a lower thermal load on a lighting circuit. An LED module is mounted in a case with a base member to allow dissipation of heat. An LED mount member closes another end of the case and allows conduction of heat to the case. A lighting circuit receives power via the base member. The lighting circuit is disposed inside a circuit holder. An air space exists between the circuit holder and both the case and the mount member. The lighting circuit is isolated from the air space by the circuit holder. A relationship 0.5?S1/S2?3.0, is satisfied where S1 denotes an area of a portion of the mount member in contact with the case and S2 denotes an area of the portion of the mount member in contact with a substrate of the LED module.Type: ApplicationFiled: August 2, 2012Publication date: November 29, 2012Inventors: Kenzi Takahasi, Yasushige Tomiyoshi, Takaari Uemoto, Hideo Nagai, Mamoru Takeda, Yoshio Manabe
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Publication number: 20120044684Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb comprises: an LED module on which LEDs are mounted; a cylindrically-shaped case having openings at both ends, which are first and second ends; a mount member on a front surface of which the LED module is mounted, the mount member closing a corresponding one of the openings of the case by being in contact with an inner circumferential surface of the first end of the case; a base member attached to the second end of the case; and a lighting circuit that is disposed inside the case. A wall thickness of the case is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case decreases from the first end toward the second end of the case.Type: ApplicationFiled: September 23, 2011Publication date: February 23, 2012Applicant: Panasonic CorporationInventors: Kenzi Takahasi, Yasushige Tomiyoshi, Satoshi Shida, Tatsumi Setomoto, Akira Taniuchi, Takaari Uemoto, Hideo Nagai
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Publication number: 20120002421Abstract: A bulb-type lamp having both heat dissipation and size/weight reduction properties with a lower thermal load on a lighting circuit. An LED module is mounted in a case with a base member to allow dissipation of heat. An LED mount member closes another end of the case and allows conduction of heat to the case. A lighting circuit receives power via the base member. The lighting circuit is disposed inside a circuit holder. An air space exists between the circuit holder and both the case and the mount member. The lighting circuit is isolated from the air space by the circuit holder. A relationship 0.5?S1/S2?3.0, is satisfied where S1 denotes an area of a portion of the mount member in contact with the case and S2 denotes an area of the portion of the mount member in contact with a substrate of the LED module.Type: ApplicationFiled: August 31, 2011Publication date: January 5, 2012Inventors: Kenzi Takahasi, Yasushige Tomiyoshi, Takaari Uemoto, Hideo Nagai, Mamoru Takeda, Yoshio Manabe
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Patent number: 8047688Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb (1) comprises: an LED module (3) on which LEDs are mounted; a cylindrically-shaped case (7) having openings at both ends, which are first and second ends; a mount member (5) on a front surface of which the LED module (3) is mounted, the mount member (5) closing a corresponding one of the openings of the case (7) by being in contact with an inner circumferential surface of the first end of the case (7); a base member (91) attached to the second end of the case (7); and a lighting circuit (11) that is disposed inside the case (7). A wall thickness of the case (7) is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case (7) decreases from the first end toward the second end of the case (7).Type: GrantFiled: April 21, 2010Date of Patent: November 1, 2011Assignee: Panasonic CorporationInventors: Kenzi Takahasi, Yasushige Tomiyoshi, Satoshi Shida, Tatsumi Setomoto, Akira Taniuchi, Takaari Uemoto, Hideo Nagai
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Patent number: 8038329Abstract: A bulb-type lamp having both heat dissipation and size/weight reduction properties with a lower thermal load on a lighting circuit. An LED module is mounted in a case with a base member to allow dissipation of heat. An LED mount member closes another end of the case and allows conduction of heat to the case. A lighting circuit receives power via the base member. The lighting circuit is disposed inside a circuit holder. An air space exists between the circuit holder and both the case and the mount member. The lighting circuit is isolated from the air space by the circuit holder. A relationship 0.5?S1/S2, is satisfied where S1 denotes an area of a portion of the mount member in contact with the case and S2 denotes an area of the portion of the mount member in contact with a substrate of the LED module.Type: GrantFiled: February 3, 2010Date of Patent: October 18, 2011Assignee: Panasonic CorporationInventors: Kenzi Takahasi, Yasushige Tomiyoshi, Takaari Uemoto, Hideo Nagai, Mamoru Takeda, Yoshio Manabe
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Publication number: 20110089831Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb (1) comprises: an LED module (3) on which LEDs are mounted; a cylindrically-shaped case (7) having openings at both ends, which are first and second ends; a mount member (5) on a front surface of which the LED module (3) is mounted, the mount member (5) closing a corresponding one of the openings of the case (7) by being in contact with an inner circumferential surface of the first end of the case (7); a base member (91) attached to the second end of the case (7); and a lighting circuit (11) that is disposed inside the case (7). A wall thickness of the case (7) is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case (7) decreases from the first end toward the second end of the case (7).Type: ApplicationFiled: April 21, 2010Publication date: April 21, 2011Inventors: Kenzi Takahasi, Yasushige Tomiyoshi, Satoshi Shida, Tatsumi Setomoto, Akira Taniuch, Takaari Uemoto, Hideo Nagai
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Publication number: 20110068687Abstract: [Problem to be Solved] To provide a bulb-type lamp that can achieve improvement in the heat dissipation properties and size/weight reduction simultaneously, and that can lighten thermal load on a lighting circuit. [Solution] A bulb-type lamp 1 is composed of: an LED module 3 including LEDs; a cylindrically-shaped case 7, to one end of which a base member 15 is attached and which allows dissipation of heat therefrom, the heat being generated by the LEDs emitting light; a mount member 5, on which the LED module 3 is mounted, which closes the other end of the case 7, and allows conduction of the heat to the case 7; a lighting circuit 11 that, upon receiving power via the base member 15, causes the LEDs to emit light; and a circuit holder 13 positioned inside the case 7, with the lighting circuit 11 disposed inside the circuit holder 13. The air space exists between the circuit holder 13 and the case7, and between the circuit holder 13 and the mount member 5.Type: ApplicationFiled: February 3, 2010Publication date: March 24, 2011Inventors: Kenzi Takahasi, Yasushige Tomiyoshi, Takaari Uemoto, Hideo Nagai, Mamoru Takeda, Yoshio Manabe