Patents by Inventor Hironao Oku
Hironao Oku 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: 10622528Abstract: A light-emitting device includes: a resin package including: a lead part including a first lead and a second lead, each including a main body portion and a raised portion connected to the main body portion, wherein an upper surface of each of the first lead and the second lead includes a first primary surface portion in the main body portion and a curved portion in the raised portion in a cross-sectional view taken in a direction perpendicular to an upper surface of the lead part, and wherein the curved portion is continuous with and curved upward from an end portion of the first primary surface portion, a resin portion, and a recess defined by a portion of the upper surface of the lead part and the resin portion; and a light-emitting element mounted in the resin package. The curved portion is buried in the resin portion.Type: GrantFiled: March 16, 2018Date of Patent: April 14, 2020Assignee: NICHIA CORPORATIONInventors: Hironao Oku, Toshiyuki Hashimoto, Mitsuhiro Isono, Takao Ishihara, Takaaki Kato
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Patent number: 10332824Abstract: A lead frame includes: a plurality of units each including a first lead portion and a second lead portion arranged in a first direction, wherein the units are arranged in the first direction and in a second direction perpendicular to the first direction, and the first lead portion and the second lead portion of each unit are adjacent, in the second direction, to the first lead portion and the second lead portion of an adjacent one of the units that is adjacent in the second direction; a plurality of first suspension portions; and a plurality of connecting portions. Each of the first suspension portions connects, in the second direction, the first lead portions of units that are adjacent to each other in the second direction.Type: GrantFiled: August 20, 2018Date of Patent: June 25, 2019Assignee: NICHIA CORPORATIONInventors: Hironao Oku, Toshiyuki Hashimoto, Mitsuhiro Isono, Takao Ishihara, Takaaki Kato
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Publication number: 20180374782Abstract: A lead frame includes: a plurality of units each including a first lead portion and a second lead portion arranged in a first direction, wherein the units are arranged in the first direction and in a second direction perpendicular to the first direction, and the first lead portion and the second lead portion of each unit are adjacent, in the second direction, to the first lead portion and the second lead portion of an adjacent one of the units that is adjacent in the second direction; a plurality of first suspension portions; and a plurality of connecting portions. Each of the first suspension portions connects, in the second direction, the first lead portions of units that are adjacent to each other in the second direction.Type: ApplicationFiled: August 20, 2018Publication date: December 27, 2018Applicant: NICHIA CORPORATIONInventors: Hironao OKU, Toshiyuki HASHIMOTO, Mitsuhiro ISONO, Takao ISHIHARA, Takaaki KATO
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Publication number: 20180269137Abstract: A lead frame includes: a plurality of units each including a first lead portion and a second lead portion arranged in a first direction, wherein the units are arranged in the first direction and in a second direction perpendicular to the first direction, and the first lead portion and the second lead portion of each unit are adjacent, in the second direction, to the first lead portion and the second lead portion of an adjacent one of the units that is adjacent in the second direction; a plurality of first suspension portions; and a plurality of connecting portions. Each of the first suspension portions connects, in the second direction, the first lead portions of units that are adjacent to each other in the second direction.Type: ApplicationFiled: March 16, 2018Publication date: September 20, 2018Applicant: NICHIA CORPORATIONInventors: Hironao OKU, Toshiyuki HASHIMOTO, Mitsuhiro ISONO, Takao ISHIHARA, Takaaki KATO
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Publication number: 20180269366Abstract: A light-emitting device includes: a resin package including: a lead part including a first lead and a second lead, each including a main body portion and a raised portion connected to the main body portion, wherein an upper surface of each of the first lead and the second lead includes a first primary surface portion in the main body portion and a curved portion in the raised portion in a cross-sectional view taken in a direction perpendicular to an upper surface of the lead part, and wherein the curved portion is continuous with and curved upward from an end portion of the first primary surface portion, a resin portion, and a recess defined by a portion of the upper surface of the lead part and the resin portion; and a light-emitting element mounted in the resin package. The curved portion is buried in the resin portion.Type: ApplicationFiled: March 16, 2018Publication date: September 20, 2018Applicant: NICHIA CORPORATIONInventors: Hironao OKU, Toshiyuki HASHIMOTO, Mitsuhiro ISONO, Takao ISHIHARA, Takaaki KATO
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Patent number: 10079201Abstract: A lead frame includes: a plurality of units each including a first lead portion and a second lead portion arranged in a first direction, wherein the units are arranged in the first direction and in a second direction perpendicular to the first direction, and the first lead portion and the second lead portion of each unit are adjacent, in the second direction, to the first lead portion and the second lead portion of an adjacent one of the units that is adjacent in the second direction; a plurality of first suspension portions; and a plurality of connecting portions. Each of the first suspension portions connects, in the second direction, the first lead portions of units that are adjacent to each other in the second direction.Type: GrantFiled: March 16, 2018Date of Patent: September 18, 2018Assignee: NICHIA CORPORATIONInventors: Hironao Oku, Toshiyuki Hashimoto, Mitsuhiro Isono, Takao Ishihara, Takaaki Kato