Patents by Inventor Hiromi Sakita
Hiromi Sakita 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: 8507072Abstract: An antenna apparatus used in a wireless communication medium or a wireless communication medium processing apparatus constructed by a constitution of including a magnetic member in which a magnetic ceramic powder is used as a major component thereof and which is provided with flexibility; an antenna formed at a surface or inside of the magnetic member, and a matching circuit of the antenna formed at the surface or the inside of the magnetic member.Type: GrantFiled: March 4, 2011Date of Patent: August 13, 2013Assignee: Panasonic CorporationInventors: Hidetsugu Fujimoto, Kengo Shiiba, Hiromi Sakita, Kouji Nishimura, Hatsuhiro Yano, Yoshihiko Takayama, Yoshitaka Mizoguchi, Yumie Watanabe
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Publication number: 20110151234Abstract: An antenna apparatus used in a wireless communication medium or a wireless communication medium processing apparatus constructed by a constitution of including a magnetic member in which a magnetic ceramic powder is used as a major component thereof and which is provided with flexibility; an antenna formed at a surface or inside of the magnetic member, and a matching circuit of the antenna formed at the surface or the inside of the magnetic member.Type: ApplicationFiled: March 4, 2011Publication date: June 23, 2011Applicant: PANASONIC CORPORATIONInventors: Hidetsugu FUJIMOTO, Kengo Shiba, Hiromi Sakita, Kouji Nishimura, Kouichi Watanabe, Yumie Watanabe, Hatsuhiro Yano, Yoshihiko Takayama, Yoshitaka Mizoguchi
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Patent number: 7924235Abstract: An antenna apparatus used in a wireless communication medium or a wireless communication medium processing apparatus constructed by a constitution of including a magnetic member in which a magnetic ceramic powder is used as a major component thereof and which is provided with flexibility, an antenna formed at a surface or inside of the magnetic member, and a matching circuit of the antenna formed at the surface or the inside of the magnetic member.Type: GrantFiled: July 28, 2005Date of Patent: April 12, 2011Assignee: Panasonic CorporationInventors: Hidetsugu Fujimoto, Kongo Shiiba, Hiromi Sakita, Kouji Nishimura, Kouichi Watanabe, Yumie Watanabe, legal representative, Hatsuhiro Yano, Yoshihiko Takayama, Yoshitaka Mizoguchi
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Publication number: 20080303735Abstract: An antenna apparatus used in a wireless communication medium or a wireless communication medium processing apparatus constructed by a constitution of including a magnetic member in which a magnetic ceramic powder is used as a major component thereof and which is provided with flexibility, an antenna formed at a surface or inside of the magnetic member, and a matching circuit of the antenna formed at the surface or the inside of the magnetic member.Type: ApplicationFiled: July 28, 2005Publication date: December 11, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Hidetsugu Fujimoto, Kongo Shiiba, Hiromi Sakita, Kouji Nishimura, Kouichi Watanabe, Hatsuhiro Yano, Yoshiniko Takayama, Yoshitaka Mizoguchi
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Patent number: 6897815Abstract: A surface-mount type antenna and a communication terminal using the same. A radiator electrode is provided on a first principal face of a substrate. A ground electrode is provided on the second principal face of the substrate. A first feeder electrode has at least a portion thereof provided on a side face and on the second principal face of the substrate. A second feeder electrode is provided on an inner wall face of a hole formed parallel to the first and second principal faces. The first feeder electrode and the ground electrode are kept in a non-contact state. The first feeder electrode and the second feeder electrode are in electrical contact. A mobile communication terminal using the surface-mount type antenna is small in size, exhibits small variations in characteristics, and provides high productivity and reliability.Type: GrantFiled: April 1, 2003Date of Patent: May 24, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kazuhide Goto, Yoshio Onaka, Makoto Yoshinomoto, Hiromi Sakita, Katsumi Sasaki, Kengo Shiiba
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Patent number: 6862003Abstract: A chip antenna that is simple in structure, produces small variation in antenna characteristics between individual antennas, and requires no circuit adjustments, is excellent in productivity. The chip antenna is capable of being mounted on a circuit board, as well as a wireless terminal using the chip antenna. A method of fabricating the chip antenna. A core body is made from an insulating material in a quadrangular or circular cylinder shape. A conductor in a helical shape is mounted on the side surface of the core body. A terminal portion is provided on the core body and electrically connected with an end portion of the conductor. The width, depth, and length of the core body are within ranges of 0.5-5 mm, 0.5-5 mm, and 4-40 mm, respectively. Intrinsic volume resistance and relative dielectric constant of the material are 1013 ?·m or above and 40 or below, respectively.Type: GrantFiled: September 17, 2002Date of Patent: March 1, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Makoto Yoshinomoto, Hiromi Sakita, Kenzo Isozaki, Kengo Shiiba, Kazuhide Goto, Mitsuo Kanmera, Masanobu Kuroki, Katsumi Sasaki
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Publication number: 20030189520Abstract: A surface-mount type antenna and a communication terminal using the same. A radiator electrode is provided on a first principal face of a substrate. A ground electrode is provided on the second principal face of the substrate. A first feeder electrode has at least a portion thereof provided on a side face and on the second principal face of the substrate. A second feeder electrode is provided on an inner wall face of a hole formed parallel to the first and second principal faces. The first feeder electrode and the ground electrode are kept in a non-contact state. The first feeder electrode and the second feeder electrode are in electrical contact. A mobile communication terminal using the surface-mount type antenna is small in size, exhibits small variations in characteristics, and provides high productivity and reliability.Type: ApplicationFiled: April 1, 2003Publication date: October 9, 2003Inventors: Kazuhide Goto, Yoshio Onaka, Makoto Yoshinomoto, Hiromi Sakita, Katsumi Sasaki, Kengo Shiiba
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Patent number: 6621378Abstract: A filter includes a substrate with a relative dielectric constant of 200 or less and a thickness of 0.1 mm or more. A first electrode is disposed on at least one surface of the substrate, a group of second electrodes is disposed on at least the other surface of the substrate. Each of the second electrodes is not in contact with each other and is not in contact with the first electrode. The filter also includes a chip type inductance element. The chip type inductance element has an inductance ranging from 0.1 nH to 30 nH and has dimensions of L1 in length, L2 in width and L3 in height, which satisfy the following conditions; 0.3 mm<L1<2.1 mm 0.1 mm<L2<1.1 mm 0.1 mm<L3<1.1 mm.Type: GrantFiled: June 12, 2001Date of Patent: September 16, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Takumi Naruse, Kuniaki Kiyosue, Hiromi Sakita, Kenzo Isozaki, Kazuhiro Eguchi, Katsumi Sasaki
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Patent number: 6609009Abstract: An electronic component which comprises a substrate, conductive film on the surface of the substrate, a groove created on the conductive film, a protective material covering the groove, and terminals and on both ends of the substrate. Lengths P1 to P8 of the terminals and, the surface roughness and materials of the terminals and, and configuration of the protective material are specified for providing an electronic component and radio terminal with at least one of improved productivity, mountability, and characteristics.Type: GrantFiled: April 26, 2000Date of Patent: August 19, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kuniaki Kiyosue, Kazuhiro Takeda, Hiromi Sakita, Kenzo Isozaki, Katsumi Sasaki
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Patent number: 6559802Abstract: A surface mount type antenna and a communication terminal using the same. A radiator electrode is provided on a first principal face of a substrate. A ground electrode is provided on the second principal face of the substrate. A first feeder electrode has at least a portion thereof provided on a side face and on the second principal face of the substrate. A second feeder electrode is provided on an inner wall face of a hole formed parallel to the first and second principal faces. The first feeder electrode and the ground electrode are kept in a non-contact state. The first feeder electrode and the second feeder electrode are in electrical contact. A mobile communication terminal using the surface-mount type antenna is small in size, exhibits small variations in characteristics, and provides high productivity and reliability.Type: GrantFiled: September 24, 2001Date of Patent: May 6, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kazuhide Goto, Yoshio Onaka, Makoto Yoshinomoto, Hiromi Sakita, Katsumi Sasaki, Kengo Shiiba
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Publication number: 20030011532Abstract: A chip antenna that is simple in structure, produces small variation in antenna characteristics between individual antennas, and requires no circuit adjustments, is excellent in productivity. The chip antenna is capable of being mounted on a circuit board, as well as a wireless terminal using the chip antenna. A method of fabricating the chip antenna. A core body is made from an insulating material in a quadrangular or circular cylinder shape. A conductor in a helical shape is mounted on the side surface of the core body. A terminal portion is provided on the core body and electrically connected with an end portion of the conductor. The width, depth, and length of the core body are within ranges of 0.5-5 mm, 0.5-5 mm, and 4-40 mm, respectively. Intrinsic volume resistance and relative dielectric constant of the material are 1013 &OHgr;·m or above and 40 or below, respectively.Type: ApplicationFiled: September 17, 2002Publication date: January 16, 2003Inventors: Makoto Yoshinomoto, Hiromi Sakita, Kenzo Isozaki, Kengo Shiiba, Kazuhide Goto, Mitsuo Kanmera, Masanobu Kuroki, Katsumi Sasaki
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Patent number: 6486853Abstract: A chip antenna that is simple in structure, produces small variation in antenna characteristics between individual antennas, and requires no circuit adjustments, is excellent in productivity. The chip antenna is capable of being mounted on a circuit board, as well as a wireless terminal using the chip antenna. A method of fabricating the chip antenna. A core body is made from an insulating material in a quadrangular or circular cylinder shape. A conductor in a helical shape is mounted on the side surface of the core body. A terminal portion is provided on the core body and electrically connected with an end portion of the conductor. The width, depth, and length of the core body are within ranges of 0.5-5 mm, 0.5-5 mm, and 4-40 mm, respectively. Intrinsic volume resistance and relative dielectric constant of the material are 1013&OHgr;·m or above and 40 or below, respectively.Type: GrantFiled: May 16, 2001Date of Patent: November 26, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Makoto Yoshinomoto, Hiromi Sakita, Kenzo Isozaki, Kengo Shiiba, Kazuhide Goto, Mitsuo Kanmera, Masanobu Kuroki, Katsumi Sasaki
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Publication number: 20020167446Abstract: A surface-mount type antenna and a communication terminal using the same. A radiator electrode is provided on a first principal face of a substrate. A ground electrode is provided on the second principal face of the substrate. A first feeder electrode has at least a portion thereof provided on a side face and on the second principal face of the substrate. A second feeder electrode is provided on an inner wall face of a hole formed parallel to the first and second principal faces. The first feeder electrode and the ground electrode are kept in a non-contact state. The first feeder electrode and the second feeder electrode are in electrical contact. A mobile communication terminal using the surface-mount type antenna is small in size, exhibits small variations in characteristics, and provides high productivity and reliability.Type: ApplicationFiled: September 24, 2001Publication date: November 14, 2002Inventors: Kazuhide Goto, Yoshio Onaka, Makoto Yoshinomoto, Hiromi Sakita, Katsumi Sasaki, Kengo Shiiba
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Patent number: 6437676Abstract: An inductance element providing a high Q factor even with a dawn-sized configuration comprises a column shape body (7), a coil (13) wound around the body (7), a terminal electrode provided at both ends of the body (7), connected with the coil (13), and a protection material (16) for covering the coil (13), which has a relative dielectric constant not higher than 6.0.Type: GrantFiled: June 9, 2000Date of Patent: August 20, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kazuhiro Takeda, Kuniaki Kiyosue, Hiromi Sakita, Masanobu Kuroki, Mitsuo Kanmera, Kenzo Isozaki
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Publication number: 20020033778Abstract: A chip antenna simple in structure, producing small variation in antenna characteristics between individual antennas, requiring no circuit adjustments, excellent in productivity, and capable of being mounted on a circuit board, as well as a wireless terminal using the same and a method of fabricating the same. A core body is made from an insulating material in a quadrangular or circular cylinder shape. A conductor in a helical shape is mounted on the side surface of the core body. A terminal portion is provided on the core body and electrically connected with an end portion of the conductor. The width, depth, and height of the core body are within ranges of 0.5-5 mm, 0.5-5 mm, and 4-40 mm, respectively. Intrinsic volume resistance and relative dielectric constant of the material are 1013 &OHgr;·m or above and 40 or below, respectively.Type: ApplicationFiled: May 16, 2001Publication date: March 21, 2002Inventors: Makoto Yoshinomoto, Hiromi Sakita, Kenzo Isozaki, Kengo Shiiba, Kazuhide Goto, Mitsuo Kanmera, Masanobu Kuroki, Katsumi Sasaki
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Publication number: 20020021191Abstract: A filter of the present invention comprises a substrate with a relative dielectric constant of 200 or less and thickness of 0.1 mm or more, a first electrode disposed on at least one surface of the substrate, a group of second electrode disposed on at least the other surface of the substrate, each of the group of second electrodes being not in contact with each other and also being not in contact with the first electrode, and a chip type inductance element. The chip type inductance element has an inductance ranging from 0.1 nH to 30 nH and has dimensions of L1 in length, L2 in width and L3 in height, which satisfy the following conditions.Type: ApplicationFiled: June 12, 2001Publication date: February 21, 2002Inventors: Takumi Naruse, Kuniaki Kiyosue, Hiromi Sakita, Kenzo Isozaki, Kazuhiro Eguchi, Katsumi Sasaki
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Patent number: 6131041Abstract: An inductance device wherein a conductor film is formed on a base, grooves are formed in the conductor film, a protective material is disposed on the grooves, and a length L1, a width L2 and a height L3 of the inductance device satisfy-the following relation:L1=0.5 to 1.5 mm;L2=0.2 to 0.7 mm; andL3=0.2 to 0.7 mm.Type: GrantFiled: May 24, 1999Date of Patent: October 10, 2000Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kazuhiro Takeda, Hiromi Sakita, Kenzou Isozaki, Noriya Sato
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Patent number: 5963119Abstract: An inductance device wherein a conductor film is formed on a base, grooves are formed in the conductor film, a protective material is disposed on the grooves, and a length L1, a width L2 and a height L3 of the inductance device satisfy the following relation:L1=0.5 to 1.5 mm;L2=0.2 to 0.7 mm; andL3=0.2 to 0.7 mm.Type: GrantFiled: May 9, 1997Date of Patent: October 5, 1999Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kazuhiro Takeda, Hiromi Sakita, Kenzou Isozaki, Noriya Sato