Patents by Inventor Shuichi Kikuchi
Shuichi Kikuchi 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).
-
Patent number: 10693222Abstract: A method of manufacturing an antenna including: forming an integrated assembly that is configured with a core, a bobbin disposed around the core and having a flange, and a coil disposed around the bobbin; supplying a liquid filler material into an inner space of a case, the case having an opening; inserting the integrated assembly into the inner space of the case via the opening before or after the supplying of the liquid filler material; closing the opening with the flange; concentrating the liquid filler material toward the flange in the inner space; curing the liquid filler material after the concentrating so as to form a cured filler material; and fixedly supporting the integrated assembly within the case via the cured filler material at a position directly adjacent to the opening of the case.Type: GrantFiled: July 30, 2018Date of Patent: June 23, 2020Assignee: SUMIDA CORPORATIONInventors: Kei Tanaka, Shuichi Kikuchi, Takanobu Rokuka
-
Patent number: 10665944Abstract: An antenna device includes a core, a bobbin member having a partition, and a coil provided around the bobbin member. The coil is configured with a tight winding portion and a loose winding portion. The tight winding portion is provided between one bobbin side and the partition. The loose winding portion is provided between the other bobbin side and the partition. The loose winding portion is configured with a first winding layer and a second winding layer. A wire winding direction of the first winding layer is opposite to a wire winding direction of the second winding layer so that the wire of the first winding layer and the wire of the second winding layer cross and overlap to each other along part of the bobbin member.Type: GrantFiled: December 12, 2018Date of Patent: May 26, 2020Assignee: SUMIDA CORPORATIONInventors: Kei Tanaka, Shuichi Kikuchi, Takanobu Rokuka
-
Patent number: 10312357Abstract: A high-performance trench gate IGBT is provided. A trench gate IGBT according to one embodiment includes: a semiconductor substrate (11); a channel layer (15) provided on the semiconductor substrate (11); two floating P-type layer (12) provided on both sides of the channel layer 15, the floating P-type layers (12) being deeper than the channel layer (15); two emitter trenches (13) disposed between the two floating P-type layers (12), the emitter trenches (13) being respectively in contact with the floating P-type layers (12); at least two gate trenches (14) disposed between the two emitter trenches (13); and a source diffusion layer (19) disposed between the two gate trenches 14, the source diffusion layer (19) being in contact with each of the gate trenches (14).Type: GrantFiled: October 30, 2017Date of Patent: June 4, 2019Assignee: RENESAS ELECTRONICS CORPORATIONInventors: Ryo Kanda, Hitoshi Matsuura, Shuichi Kikuchi
-
Publication number: 20190115663Abstract: An antenna device includes a core, a bobbin member having a partition, and a coil provided around the bobbin member. The coil is configured with a tight winding portion and a loose winding portion. The tight winding portion is provided between one bobbin side and the partition. The loose winding portion is provided between the other bobbin side and the partition. The loose winding portion is configured with a first winding layer and a second winding layer. A wire winding direction of the first winding layer is opposite to a wire winding direction of the second winding layer so that the wire of the first winding layer and the wire of the second winding layer cross and overlap to each other along part of the bobbin member.Type: ApplicationFiled: December 12, 2018Publication date: April 18, 2019Inventors: Kei TANAKA, Shuichi KIKUCHI, Takanobu ROKUKA
-
Publication number: 20190074579Abstract: A method of manufacturing an antenna including: forming an integrated assembly that is configured with a core, a bobbin disposed around the core and having a flange, and a coil disposed around the bobbin; supplying a liquid filler material into an inner space of a case, the case having an opening; inserting the integrated assembly into the inner space of the case via the opening before or after the supplying of the liquid filler material; closing the opening with the flange; concentrating the liquid filler material toward the flange in the inner space; curing the liquid filler material after the concentrating so as to form a cured filler material; and fixedly supporting the integrated assembly within the case via the cured filler material at a position directly adjacent to the opening of the case.Type: ApplicationFiled: July 30, 2018Publication date: March 7, 2019Inventors: Kei TANAKA, Shuichi KIKUCHI, Takanobu ROKUKA
-
Patent number: 10186764Abstract: An antenna device including: a core formed by a magnetic material; a terminal attachment unit which is arranged on one end side of the core and concurrently, which is provided with an opening portion of penetration-state; a coil which is arranged on the outer-peripheral side of the core and concurrently, which is formed by winding a conductive wire; and at least a pair of terminal members which are attached to the terminal attachment unit and concurrently, which are provided with a chip-support-piece portion positioned at the opening portion and concurrently electrically connected to an electronic component while being equipped with aforesaid electronic component having a chip-shape, wherein for the chip-support-piece portion, there is provided a positioner which carries out the positioning of the electronic component.Type: GrantFiled: November 29, 2016Date of Patent: January 22, 2019Assignee: SUMIDA CORPORATIONInventors: Shuichi Kikuchi, Kei Tanaka, Takanobu Rokuka, Shigeru Mahara, Noriaki Iwasaki, Yoshinori Miura, Hiroshi Kawasaki
-
Patent number: 10186774Abstract: An antenna device includes a core, a bobbin member having a partition, and a coil provided around the bobbin member. The coil is configured with a tight winding portion and a loose winding portion. The tight winding portion is provided between one bobbin side and the partition. The loose winding portion is provided between the other bobbin side and the partition. The loose winding portion is configured with a first winding layer and a second winding layer. A wire winding direction of the first winding layer is opposite to a wire winding direction of the second winding layer so that the wire of the first winding layer and the wire of the second winding layer cross and overlap to each other along part of the bobbin member.Type: GrantFiled: March 16, 2017Date of Patent: January 22, 2019Assignee: SUMIDA CORPORATIONInventors: Kei Tanaka, Shuichi Kikuchi, Takanobu Rokuka
-
Patent number: 10141649Abstract: An antenna device including: a core formed by magnetic material; a terminal attachment unit arranged on one end side of the core; a coil which is arranged on the outer circumferential side of the core and concurrently, which is formed by winding a conductive wire; a plurality of terminal members which are mounted on the terminal attachment unit and concurrently, each of which is electrically connected with a terminal of the conductive wire or an electronic component at any position thereof; a connector connecting unit provided with a connector hole into which an external connector is inserted; and a partition unit partitioning the terminal attachment unit and the connector connecting unit, wherein a terminal hole is provided at the partition unit, and at least two or more of the terminal members are plugged-in into the terminal hole and concurrently, are mounted in a state of protruding toward the connector hole.Type: GrantFiled: September 9, 2016Date of Patent: November 27, 2018Assignee: SUMIDA CORPORATIONInventors: Yoshinori Miura, Hiroshi Kawasaki, Takanobu Rokuka, Kei Tanaka, Shigeru Mahara, Noriaki Iwasaki, Shuichi Kikuchi
-
Publication number: 20180182875Abstract: A high-performance trench gate IGBT is provided. A trench gate IGBT according to one embodiment includes: a semiconductor substrate (11); a channel layer (15) provided on the semiconductor substrate (11); two floating P-type layer (12) provided on both sides of the channel layer 15, the floating P-type layers (12) being deeper than the channel layer (15); two emitter trenches (13) disposed between the two floating P-type layers (12), the emitter trenches (13) being respectively in contact with the floating P-type layers (12); at least two gate trenches (14) disposed between the two emitter trenches (13); and a source diffusion layer (19) disposed between the two gate trenches 14, the source diffusion layer (19) being in contact with each of the gate trenches (14).Type: ApplicationFiled: October 30, 2017Publication date: June 28, 2018Inventors: Ryo KANDA, Hitoshi MATSUURA, Shuichi KIKUCHI
-
Patent number: 9939465Abstract: An electric current detector which is mountable on a circuit board on which there is mounted a fluxgate-type magnetic sensor IC chip which detects magnetic flux for electric current detection, including: a substantially ring-shaped core which forms a magnetic-path for magnetic flux induced by detection-target electric current, wherein the core includes a gap which is arranged to become substantially parallel with respect to the circuit board when mounting the aforesaid electric current detector on the circuit board and which is at a place positioned on or on the upper side of the magnetic sensor IC chip in the magnetic-path when mounting the aforesaid electric current detector on the circuit board.Type: GrantFiled: April 20, 2016Date of Patent: April 10, 2018Assignee: Sumida CorporationInventors: Yasunori Morimoto, Morihiro Kuroda, Seiji Shimizu, Shuichi Kikuchi, Tomomi Nakatsuka
-
Publication number: 20170301995Abstract: An antenna device includes a core, a bobbin member having a partition, and a coil provided around the bobbin member. The coil is configured with a tight winding portion and a loose winding portion. The tight winding portion is provided between one bobbin side and the partition. The loose winding portion is provided between the other bobbin side and the partition. The loose winding portion is configured with a first winding layer and a second winding layer. A wire winding direction of the first winding layer is opposite to a wire winding direction of the second winding layer so that the wire of the first winding layer and the wire of the second winding layer cross and overlap to each other along part of the bobbin member.Type: ApplicationFiled: March 16, 2017Publication date: October 19, 2017Inventors: Kei TANAKA, Shuichi KIKUCHI, Takanobu ROKUKA
-
Publication number: 20170155188Abstract: An antenna device including: a core formed by a magnetic material; a terminal attachment unit which is arranged on one end side of the core and concurrently, which is provided with an opening portion of penetration-state; a coil which is arranged on the outer-peripheral side of the core and concurrently, which is formed by winding a conductive wire; and at least a pair of terminal members which are attached to the terminal attachment unit and concurrently, which are provided with a chip-support-piece portion positioned at the opening portion and concurrently electrically connected to an electronic component while being equipped with aforesaid electronic component having a chip-shape, wherein for the chip-support-piece portion, there is provided a positioner which carries out the positioning of the electronic component.Type: ApplicationFiled: November 29, 2016Publication date: June 1, 2017Inventors: Shuichi KIKUCHI, Kei TANAKA, Takanobu ROKUKA, Shigeru MAHARA, Noriaki IWASAKI, Yoshinori MIURA, Hiroshi KAWASAKI
-
Publication number: 20170104272Abstract: An antenna device including: a core formed by magnetic material; a terminal attachment unit arranged on one end side of the core; a coil which is arranged on the outer circumferential side of the core and concurrently, which is formed by winding a conductive wire; a plurality of terminal members which are mounted on the terminal attachment unit and concurrently, each of which is electrically connected with a terminal of the conductive wire or an electronic component at any position thereof; a connector connecting unit provided with a connector hole into which an external connector is inserted; and a partition unit partitioning the terminal attachment unit and the connector connecting unit, wherein a terminal hole is provided at the partition unit, and at least two or more of the terminal members are plugged-in into the terminal hole and concurrently, are mounted in a state of protruding toward the connector hole.Type: ApplicationFiled: September 9, 2016Publication date: April 13, 2017Inventors: Yoshinori MIURA, Hiroshi KAWASAKI, Takanobu ROKUKA, Kei TANAKA, Shigeru MAHARA, Noriaki IWASAKI, Shuichi KIKUCHI
-
Publication number: 20160313374Abstract: An electric current detector which is mountable on a circuit board on which there is mounted a fluxgate-type magnetic sensor IC chip which detects magnetic flux for electric current detection, including: a substantially ring-shaped core which forms a magnetic-path for magnetic flux induced by detection-target electric current, wherein the core includes a gap which is arranged to become substantially parallel with respect to the circuit board when mounting the aforesaid electric current detector on the circuit board and which is at a place positioned on or on the upper side of the magnetic sensor IC chip in the magnetic-path when mounting the aforesaid electric current detector on the circuit board.Type: ApplicationFiled: April 20, 2016Publication date: October 27, 2016Inventors: Yasunori MORIMOTO, Morihiro KURODA, Seiji SHIMIZU, Shuichi KIKUCHI, Tomomi NAKATSUKA
-
Patent number: 9233781Abstract: Provided is a cartridge receiving case including a case section in which a cartridge is inserted and disposed, a lid section configured to be opened and closed with respect to the case section and to cover the cartridge disposed in the case section upon closing, and a rear plate section configured to connect the case section and the lid section. The case section, the lid section, and the rear plate section are integrally formed. A pair of parallel thin hinges are formed as curved portions when the lid section is opened and closed with respect to the case section. One of the thin hinges is formed at a position deviated with respect to a continuous portion between the rear plate section and the case section. The other thin hinge is formed at a position deviated with respect to a continuous portion between the rear plate section and the lid section.Type: GrantFiled: November 7, 2013Date of Patent: January 12, 2016Assignee: SONY CORPORATIONInventors: Rie Izu, Shuichi Kikuchi
-
Patent number: 8997130Abstract: There is provided a disk cartridge including a case body in which a plurality of disk-shaped recording media are configured to be able to be received in an axial direction of a central shaft in parallel, and a first shell having a base surface section parallel to a recording surface of the disk-shaped recording medium and a second shell having a basal surface section parallel to the recording surface of the disk-shaped recording medium are coupled and separated through separation and connection in the axial direction, and a presser spring having a section to be attached, which is attached to the case body, and a pressing section configured to come in contact with an outer circumferential surface of the disk-shaped recording medium and to press the disk-shaped recording medium. The presser spring is formed of a resin material.Type: GrantFiled: November 7, 2013Date of Patent: March 31, 2015Assignee: Sony CorporationInventors: Takaaki Sanpei, Osamu Taguchi, Shuichi Kikuchi, Kazumoto Yatabe, Takeshi Saito
-
Publication number: 20140131375Abstract: Provided is a cartridge receiving case including a case section in which a cartridge is inserted and disposed, a lid section configured to be opened and closed with respect to the case section and to cover the cartridge disposed in the case section upon closing, and a rear plate section configured to connect the case section and the lid section. The case section, the lid section, and the rear plate section are integrally formed. A pair of parallel thin hinges are formed as curved portions when the lid section is opened and closed with respect to the case section. One of the thin hinges is formed at a position deviated with respect to a continuous portion between the rear plate section and the case section. The other thin hinge is formed at a position deviated with respect to a continuous portion between the rear plate section and the lid section.Type: ApplicationFiled: November 7, 2013Publication date: May 15, 2014Applicant: Sony CorporationInventors: Rie Izu, Shuichi Kikuchi
-
Publication number: 20140133286Abstract: There is provided a disk cartridge including a case body in which a plurality of disk-shaped recording media are configured to be able to be received in an axial direction of a central shaft in parallel, and a first shell having a base surface section parallel to a recording surface of the disk-shaped recording medium and a second shell having a basal surface section parallel to the recording surface of the disk-shaped recording medium are coupled and separated through separation and connection in the axial direction, and a presser spring having a section to be attached, which is attached to the case body, and a pressing section configured to come in contact with an outer circumferential surface of the disk-shaped recording medium and to press the disk-shaped recording medium. The presser spring is formed of a resin material.Type: ApplicationFiled: November 7, 2013Publication date: May 15, 2014Applicant: SONY CORPORATIONInventors: Takaaki Sanpei, Osamu Taguchi, Shuichi Kikuchi, Kazumoto Yatabe, Takeshi Saito
-
Publication number: 20140133287Abstract: Provided is a disk cartridge including a case body in which a plurality of disk-shaped recording media are configured to be receivable in an axial direction of a central shaft in parallel, and a first shell having a base surface section parallel to a recording surface of the disk-shaped recording media and a second shell having a basal surface section parallel to the recording surface of the disk-shaped recording media are coupled and separated through separation and connection in the axial direction.Type: ApplicationFiled: November 7, 2013Publication date: May 15, 2014Applicant: Sony CorporationInventors: Takaaki Sanpei, Kazumoto Yatabe, Daiki Kobayashi, Chisato Akasaka, Shuichi Kikuchi, Jiro Fujiwara, Takuji Nakamura
-
Patent number: 8564907Abstract: A magnetic tape cartridge includes a cartridge case, a pair of cylindrical hubs rotatably provided in the cartridge case, and a magnetic tape laid between the hubs and wound around outer peripheries of the hubs. Each of the hubs has an inner diameter portion provided with a height-position determining member. The height-position determining member determines a height position of the hub in the magnetic tape cartridge by contacting a driving shaft inserted in the hub when the magnetic tape cartridge is mounted in a magnetic recording and reproducing apparatus.Type: GrantFiled: April 30, 2008Date of Patent: October 22, 2013Assignee: Sony CorporationInventors: Hidetoshi Honda, Takaaki Sanpei, Shuichi Kikuchi, Yasuaki Kano, Fumiharu Sudo, Katsumi Maekawa