Patents by Inventor Kazunari Saito
Kazunari Saito 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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Publication number: 20240014540Abstract: An antenna device including: an antenna element; an enclosure having a wall body on which the antenna element is placed in a state of being joined to an inner surface of the wall body; and a printed substrate on which the antenna element is mounted with a leg portion of the antenna element connected to one surface of the printed substrate, which is stored inside the enclosure. Holding pieces to sandwich the antenna element between the wall body of the enclosure and the holding pieces are formed at a predetermined interval on the inner surface of the wall body of the enclosure. Respective sizes of and intervals between the holding pieces are set such that a difference between a deflection amount of the wall body and a deflection amount of the antenna element when the enclosure vibrates is less than or equal to a predetermined value.Type: ApplicationFiled: April 28, 2023Publication date: January 11, 2024Applicants: MITSUMI ELECTRIC CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Makoto TAGUCHI, Daiki MOMMA, Ryutaro MIURA, Hisashi TAKIZAWA, Kazunari SAITO, Yoshifumi KISHIUE, Shinobu WAKAHARA, Takashi SAITOH
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Patent number: 11217891Abstract: An antenna device includes an antenna unit that receives radio waves of a plurality of first frequency bands and outputs received signals, and a first band pass filter that transmits, out of the received signals that are output, received signals of at least two second frequency bands out of the first frequency bands.Type: GrantFiled: January 28, 2020Date of Patent: January 4, 2022Assignee: MITSUMI ELECTRIC CO., LTD.Inventors: Daiki Monma, Kozo Shimizu, Takahiro Oshima, Kazunari Saito
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Publication number: 20200251824Abstract: An antenna device includes an antenna unit that receives radio waves of a plurality of first frequency bands and outputs received signals, and a first band pass filter that transmits, out of the received signals that are output, received signals of at least two second frequency bands out of the first frequency bands.Type: ApplicationFiled: January 28, 2020Publication date: August 6, 2020Applicant: MITSUMI ELECTRIC CO., LTD.Inventors: Daiki MONMA, Kozo SHIMIZU, Takahiro OSHIMA, Kazunari SAITO
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Patent number: 9745166Abstract: A bobbin for winding an optical fiber includes a main winding drum having a cylindrical shape, an auxiliary flange portion that is provided on at least one of a first end and a second end of the main winding drum in an axis direction of the main winding drum, a first main flange portion that has a larger diameter than the external diameter of the auxiliary flange portion and that is provided on the main winding drum to face the auxiliary flange portion, a second main flange portion that is provided on the main winding drum to face the first main flange portion, and an auxiliary winding drum that is provided between the first main flange portion and the auxiliary flange portion.Type: GrantFiled: February 22, 2016Date of Patent: August 29, 2017Assignee: FUJIKURA LTD.Inventors: Yukinari Shirako, Balasubramaniam Vasudevan, Kohei Tanaka, Kazunari Saito
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Publication number: 20160167918Abstract: A bobbin for winding an optical fiber includes a main winding drum having a cylindrical shape, an auxiliary flange portion that is provided on at least one of a first end and a second end of the main winding drum in an axis direction of the main winding drum, a first main flange portion that has a larger diameter than the external diameter of the auxiliary flange portion and that is provided on the main winding drum to face the auxiliary flange portion, a second main flange portion that is provided on the main winding drum to face the first main flange portion, and an auxiliary winding drum that is provided between the first main flange portion and the auxiliary flange portion.Type: ApplicationFiled: February 22, 2016Publication date: June 16, 2016Applicant: FUJIKURA LTD.Inventors: Yukinari SHIRAKO, Balasubramaniam VASUDEVAN, Kohei TANAKA, Kazunari SAITO
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Patent number: 8509278Abstract: A light emitting device includes: a support base; a first light emitting element which is provided at one surface side of the support base and has a first substrate; and a second light emitting element which is provided between the first light emitting element and the support base and has a second substrate, which has a light emitting section as a semiconductor layer and a peripheral section other than the light emitting section at the first light emitting element side of the second substrate, and which has an embedded layer formed of a material with higher heat conductivity than the semiconductor layer in the peripheral section.Type: GrantFiled: February 7, 2011Date of Patent: August 13, 2013Assignee: Sony CorporationInventors: Kazunari Saito, Noriyuki Banno, Kota Tokuda
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Patent number: 8111197Abstract: Disclosed is an antenna apparatus, including: a multi-layer substrate having at least two substrates in a stacking manner and having a first through hole; an amplifying circuit on one face of the multi-layer substrate; a ground pattern formed between two adjacent substrates of the multi-layer substrate; an antenna pattern formed on the other face of the multi-layer substrate; and a first comb electrode having comb teeth and a second comb electrode having comb teeth, both of which are formed around the antenna pattern on the other face of the multi-layer substrate. The first comb electrode is electrically connected to the antenna pattern. The second comb electrode is electrically connected to the ground pattern through the first through hole. The comb teeth of the first comb electrode and the comb teeth of the second comb electrode are spaced from one another at predetermined intervals in a staggered manner.Type: GrantFiled: April 22, 2009Date of Patent: February 7, 2012Assignee: Mitsumi Electric Co., Ltd.Inventors: Junichi Noro, Kazunari Saito, Akira Miyoshi, Hiroshi Suzuki
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Publication number: 20110211610Abstract: A light emitting device includes: a support base; a first light emitting element which is provided at one surface side of the support base and has a first substrate; and a second light emitting element which is provided between the first light emitting element and the support base and has a second substrate, which has a light emitting section as a semiconductor layer and a peripheral section other than the light emitting section at the first light emitting element side of the second substrate, and which has an embedded layer formed of a material with higher heat conductivity than the semiconductor layer in the peripheral section.Type: ApplicationFiled: February 7, 2011Publication date: September 1, 2011Applicant: Sony CorporationInventors: Kazunari Saito, Noriyuki Banno, Kota Tokuda
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Patent number: 7893879Abstract: An antenna apparatus includes: a circuit board that has a main surface and a rear surface opposite to each other; an antenna element that is formed of a metal plate and is arranged at a predetermined distance from the main surface of the circuit board; a plurality of legs that extend from the antenna element toward the circuit board; a ground conductor that is formed on the main surface or the rear surface of the circuit board; a feeding pin that supplies power from the circuit board to the antenna element; and a plurality of comb-shaped capacitor patterns that are formed on one of or both the main surface and the rear surface of the circuit board and are electrically connected between the plurality of legs and the ground conductor.Type: GrantFiled: September 20, 2007Date of Patent: February 22, 2011Assignee: Mitsumi Electric Co., Ltd.Inventors: Junichi Noro, Akira Yoneya, Isao Fukae, Tomohiro Shinkawa, Kazunari Saito, Akira Miyoshi, Satoshi Kohno
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Publication number: 20100156724Abstract: Disclosed is an antenna apparatus, including: a multi-layer substrate having at least two substrates in a stacking manner and having a first through hole; an amplifying circuit on one face of the multi-layer substrate; a ground pattern formed between two adjacent substrates of the multi-layer substrate; an antenna pattern formed on the other face of the multi-layer substrate; and a first comb electrode having comb teeth and a second comb electrode having comb teeth, both of which are formed around the antenna pattern on the other face of the multi-layer substrate. The first comb electrode is electrically connected to the antenna pattern. The second comb electrode is electrically connected to the ground pattern through the first through hole. The comb teeth of the first comb electrode and the comb teeth of the second comb electrode are spaced from one another at predetermined intervals in a staggered manner.Type: ApplicationFiled: April 22, 2009Publication date: June 24, 2010Applicant: Mitsumi Electric Co., Ltd.Inventors: Junichi NORO, Kazunari Saito, Akira Miyoshi, Hiroshi Suzuki
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Patent number: 7636066Abstract: A compound antenna apparatus includes a plurality of antenna units, a top case covering the antenna units, and a cable connected to one of the antenna units and led out of the top case, wherein the top case includes a case main surface, a case wall portion standing in the vicinity of an edge of the case main surface; and an opening formed by cutting an edge of the case wall portion so that the cable is pulled out to an exterior portion of the top case through the opening, and the opening having one surface and the other surface that face each other, a first rib and a second rib respectively formed and protruding at the surface and the other surface of the opening so as to sandwich the cable.Type: GrantFiled: March 20, 2007Date of Patent: December 22, 2009Assignees: Aisin Seiki Kabushiki Kaisha, Mitsumi Electric Co., LtdInventors: Shingo Fujimoto, Eiji Koide, Hideaki Takahashi, Kazunari Saito
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Patent number: 7528793Abstract: A GPS receiving antenna device that can suitably be provided on the exterior of a vehicle is provided with low cost. An antenna case includes a top cover and a bottom plate joined with each other. The top cover stores an antenna module that receives a signal and a packing member provided at the joining part between the top cover and the bottom plate to keep the antenna case tightly sealed. The top cover and the bottom plate are provided with engagement parts and claw parts, respectively, and the top cover and the bottom plate are joined with each other as the packing member is pressed.Type: GrantFiled: May 10, 2006Date of Patent: May 5, 2009Assignee: Mitsumi Electric Co., Ltd.Inventors: Akira Yoneya, Yoshiaki Imano, Kazunari Saito, Tsutomu Ito
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Patent number: 7501989Abstract: An antenna apparatus includes a feed element, a passive element provided so as to be distanced from the feed element, a cable connected to the feed element, a main circuit board to which the feed element and the passive element are mounted, an antenna holder having a holder main surface on which the main circuit board with the feed element and the passive element is held, a first feed element provided surface formed on the holder main surface of the antenna holder in order to hold the feed element and a first passive element provided surface formed on the holder main surface of the antenna holder in order to hold the passive element.Type: GrantFiled: March 20, 2007Date of Patent: March 10, 2009Assignees: Aisin Seiki Kabushiki Kaisha, Mitsumi Electric Co., Ltd.Inventors: Shingo Fujimoto, Eiji Koide, Hideaki Takahashi, Kazunari Saito, Tomohiro Shinkawa, Toshihiko Inaba
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Publication number: 20080074327Abstract: An antenna apparatus includes: a circuit board that has a main surface and a rear surface opposite to each other; an antenna element that is formed of a metal plate and is arranged at a predetermined distance from the main surface of the circuit board; a plurality of legs that extend from the antenna element toward the circuit board; a ground conductor that is formed on the main surface or the rear surface of the circuit board; a feeding pin that supplies power from the circuit board to the antenna element; and a plurality of comb-shaped capacitor patterns that are formed on one of or both the main surface and the rear surface of the circuit board and are electrically connected between the plurality of legs and the ground conductor.Type: ApplicationFiled: September 20, 2007Publication date: March 27, 2008Inventors: Junichi Noro, Akira Yoneya, Isao Fukae, Tomohiro Shinkawa, Kazunari Saito, Akira Miyoshi, Satoshi Kohno
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Patent number: 7339538Abstract: An antenna unit according to the present invention comprises an antenna case composed of a top cover and a bottom plate that are joined together. An antenna module is disposed in the top cover. A packing member is disposed at a joining portion between the top cover and the bottom plate to thereby ensure sealing of the antenna module. The packing member has a plurality of anti-slip projecting portions, while the bottom plate has a plurality of through holes receiving the plurality of projecting portions so as to pass therethrough. A diameter of the through hole is made greater than that of the projecting portion to thereby provide a clearance between the through hole and the projecting portion.Type: GrantFiled: December 29, 2005Date of Patent: March 4, 2008Assignee: Mitsumi Electric Co., Ltd.Inventors: Akira Yoneya, Yoshiaki Imano, Kazunari Saito
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Patent number: 7327328Abstract: Mounted on a back surface (21b) of a circuit board (21), a shield cover (24) has a substantially rectangular ceiling portion (241) with four corners which are chamfered, four side wall portions (242-245), and four corner portions (457). The shield cover (24) is mounted on the back surface (21b) of the circuit board by soldering at the four corner portions (247). There is no gap between the four side wall portions (242-245) and the four corner portions (247). The shield cover (24) is formed by bending working of a metal plate (40) and has extension portions (248) at both ends of the four corner portions (247) so as to interpose with the side wall portions (242-245).Type: GrantFiled: June 7, 2006Date of Patent: February 5, 2008Assignee: Mitsumi Electric Co., Ltd.Inventors: Akira Yoneya, Kazunari Saito, Yoshiaki Imano
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Publication number: 20070290943Abstract: A compound antenna apparatus includes a plurality of antenna units, a top case covering the antenna units, and a cable connected to one of the antenna units and led out of the top case, wherein the top case includes a case main surface, a case wall portion standing in the vicinity of an edge of the case main surface; and an opening formed by cutting an edge of the case wall portion so that the cable is pulled out to an exterior portion of the top case through the opening, and the opening having one surface and the other surface that face each other, a first rib and a second rib respectively formed and protruding at the surface and the other surface of the opening so as to sandwich the cable.Type: ApplicationFiled: March 20, 2007Publication date: December 20, 2007Applicants: AISIN SEIKI KABUSHIKI KAISHA, MITSUMI ELECTRIC CO., LTD.Inventors: Shingo Fujimoto, Eiji Koide, Hideaki Takahashi, Kazunari Saito
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Publication number: 20070216597Abstract: An antenna apparatus includes a feed element, a passive element provided so as to be distanced from the feed element, a cable connected to the feed element, a main circuit board to which the feed element and the passive element are mounted, an antenna holder having a holder main surface on which the main circuit board with the feed element and the passive element is held, a first feed element provided surface formed on the holder main surface of the antenna holder in order to hold the feed element and a first passive element provided surface formed on the holder main surface of the antenna holder in order to hold the passive element.Type: ApplicationFiled: March 20, 2007Publication date: September 20, 2007Applicants: AISIN SEIKI KABUSHIKI KAISHA, MITSUMI ELECTRIC CO., LTD.Inventors: Shingo Fujimoto, Eiji Koide, Hideaki Takahashi, Kazunari Saito, Tomohiro Shinkawa, Toshihiko Inaba
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Patent number: D580416Type: GrantFiled: March 14, 2007Date of Patent: November 11, 2008Assignee: Mitsumi Electric Co., LtdInventors: Tomohiro Shinkawa, Kazunari Saito, Junichi Noro
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Patent number: D583364Type: GrantFiled: May 7, 2008Date of Patent: December 23, 2008Assignee: Mitsumi Electric Co., Ltd.Inventors: Tsutomu Ito, Junichi Noro, Kazunari Saito