Patents by Inventor Kei Ikeda
Kei Ikeda 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: 20240143100Abstract: A display device with excellent visibility can be provided. The display device includes a display region displayed by a light-emitting element. In the display region, a point touched by a user is a first point, a point which has been touched by the user prior to the first point is a second point, a vector that starts at the first point and ends at the second point is a first vector, a vector obtained by multiplying the first vector by k (k is a real number) is a second vector, and a point that is the second vector away from the first point is a third point, the display region includes a first region and a second region obtained by excluding the first region from the display region, The first region includes a first circle and a second circle, the center of the first circle is the first point, and the center of the second circle is the third point. The luminance in the first region is higher than the luminance in the second region.Type: ApplicationFiled: January 12, 2024Publication date: May 2, 2024Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Takayuki Ikeda, Yuki Okamoto, Kei Takahashi, Shunpei Yamazaki
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Publication number: 20240085764Abstract: An electronic apparatus includes a plurality of contacts electrically connectable to an accessory and arranged in a first direction orthogonal to a direction in which the accessory is attached. The contacts include an attachment detection contact to detect an attachment of the accessory to the electronic apparatus, and a communication request contact for a communication request from the accessory to the electronic apparatus. The attachment detection and communication request contacts are disposed between a contact closest one end and a contact closest to another end in the first direction. The attachment detection contact is disposed between the communication request contact and the contact closest to the one end. In the first direction, a distance between the attachment detection contact and the communication request contact is shorter than that between the communication request contact and the contact closest to the other end.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Inventors: Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda, Yuhei Hattori, Kenji Ishii, Yoshinobu Okano
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Publication number: 20230415684Abstract: A power-supply management device for service modules applied to a service module installed vehicle includes a vehicle state recognition unit that recognizes a state of a vehicle in which service modules are interchangeably installed, a service module identification unit that identifies a type of the service modules currently installed in the vehicle, and a power-supply management processing unit that is capable of executing, for each of the service modules, power-supply management processing of managing power supply to the service module individually based on the state of the vehicle recognized by the vehicle state recognition unit and the type of the service module identified by the service module identification unit.Type: ApplicationFiled: September 1, 2023Publication date: December 28, 2023Inventor: Kei Ikeda
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Patent number: 11731711Abstract: A vehicle front structure is provided for preventing a vortex from being generated between high-speed air separated from an outer edge of a deflector and low-speed air in a front wheel house due to a wind speed difference. Embodiments include a deflector disposed in front of a front wheel house projected downward from a lower surface of a bumper face. The deflector includes an air introducing section to introduce air into a space inside the deflector in a front portion of the deflector; and an intermediate-speed wind generating hole section that communicates with the air introducing section and generates an airflow at an intermediate wind speed, lower than a wind speed of air separated from deflector outer edges and higher than a wind speed of air in the front wheel house, in an area not opposing a tire in a vehicle front view of a portion immediately behind the deflector.Type: GrantFiled: April 1, 2022Date of Patent: August 22, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Shunsuke Uno, Seiji Odan, Kei Ikeda, Satoshi Okamoto, Yosuke Morikawa, Akihiro Nakata, Masafumi Aburame
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Publication number: 20220324523Abstract: A vehicle front structure is provided for preventing a vortex from being generated between high-speed air separated from an outer edge of a deflector and low-speed air in a front wheel house due to a wind speed difference. Embodiments include a deflector disposed in front of a front wheel house projected downward from a lower surface of a bumper face. The deflector includes an air introducing section to introduce air into a space inside the deflector in a front portion of the deflector; and an intermediate-speed wind generating hole section that communicates with the air introducing section and generates an airflow at an intermediate wind speed, lower than a wind speed of air separated from deflector outer edges and higher than a wind speed of air in the front wheel house, in an area not opposing a tire in a vehicle front view of a portion immediately behind the deflector.Type: ApplicationFiled: April 1, 2022Publication date: October 13, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Shunsuke UNO, Seiji ODAN, Kei IKEDA, Satoshi OKAMOTO, Yosuke MORIKAWA, Akihiro NAKATA, Masafumi ABURAME
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Patent number: 9914409Abstract: The present invention provides an automotive soundproofing material capable of providing a high sound absorption performance throughout a wide frequency band. In the automotive soundproofing material, flexible-porous body and sheet-shaped body are formed in a multi-layered structure, and the sheet-shaped body is comprised of a plurality of through holes formed therethrough.Type: GrantFiled: March 1, 2016Date of Patent: March 13, 2018Assignee: Yazaki CorporationInventors: Yasumasa Osada, Kei Ikeda
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Patent number: 9707906Abstract: A soundproof material for a vehicle having partially different sound absorption characteristic is provided. In the soundproof material for the vehicle, a sheet-like body is partially laminated on at least one surface of a flexible porous body formed in a plate-shape or an approximately plate-shape.Type: GrantFiled: April 29, 2016Date of Patent: July 18, 2017Assignee: YAZAKI CORPORATIONInventor: Kei Ikeda
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Publication number: 20160355148Abstract: A soundproof material for a vehicle having partially different sound absorption characteristic is provided. In the soundproof material for the vehicle, a sheet-like body is partially laminated on at least one surface of a flexible porous body formed in a plate-shape or an approximately plate-shape.Type: ApplicationFiled: April 29, 2016Publication date: December 8, 2016Inventor: Kei Ikeda
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Publication number: 20160176368Abstract: The present invention provides an automotive soundproofing material capable of providing a high sound absorption performance throughout a wide frequency band. In the automotive soundproofing material, flexible-porous body and sheet-shaped body are formed in a multi-layered structure, and the sheet-shaped body is comprised of a plurality of through holes formed therethrough.Type: ApplicationFiled: March 1, 2016Publication date: June 23, 2016Inventors: Yasumasa Osada, Kei Ikeda
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Patent number: 9173311Abstract: A power supply apparatus for sliding structure includes a wiring harness having an exterior member wired from a fixed structure-side power supply device to the sliding structure side, the fixed structure-side power supply device including an outer member fixed to the fixed structure, an inner member supported to the outer member so as to rotate in a horizontal direction and configured to support one end portion of the exterior member, and a harness trajectory regulation wall configured to rotate integrally with the inner member. When the sliding structure is fully-opened, the harness trajectory regulation wall projects outward from the outer member in a thickness direction of the sliding structure, such that the exterior member arranged along the harness trajectory regulation wall is moved away from the fixed structure toward the sliding structure side, preventing interference between the exterior member and the fixed structure.Type: GrantFiled: June 19, 2014Date of Patent: October 27, 2015Assignee: Yazaki CorporationInventor: Kei Ikeda
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Patent number: 9017094Abstract: In a coupling structure of a wiring member for coupling a plurality of connector terminals with the wiring member which is configured by arranging in parallel a plurality of flat-type conductors in a width direction thereof and covering an outer periphery of the flat-type conductors by an insulation member, the connector terminals are electrically coupled to the wiring member in an orthogonal manner so as to match to terminal pitches of a complementary connector.Type: GrantFiled: November 29, 2010Date of Patent: April 28, 2015Assignee: Yazaki CorporationInventor: Kei Ikeda
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Patent number: 8960779Abstract: An opening portion is formed at a specified portion of a roof gusset which covers part of a panel joint portion from below. A pair of center-pillar side joint portions is provided at an outward end portion of the roof gusset, which is joined to a center pillar directly or via another panel member. A pair of first high-rigidity portions is provided at specified portions of the roof gusset which overlap the opening portion in a vehicle width direction and overlap the center-pillar joint portions in the vehicle longitudinal direction, respectively. A second high-rigidity portion is provided at an inward end portion of the roof gusset to extend in the vehicle longitudinal direction.Type: GrantFiled: July 19, 2013Date of Patent: February 24, 2015Assignee: Mazda Motor CorporationInventors: Yoshikazu Nishimura, Kei Ikeda, Kazuya Fukutani, Naoki Kaneko, Noboru Yoshii
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Publication number: 20140299370Abstract: A power supply apparatus for sliding structure includes a wiring harness having an exterior member wired from a fixed structure-side power supply device to the sliding structure side, the fixed structure-side power supply device including an outer member fixed to the fixed structure, an inner member supported to the outer member so as to rotate in a horizontal direction and configured to support one end portion of the exterior member, and a harness trajectory regulation wall configured to rotate integrally with the inner member. When the sliding structure is fully-opened, the harness trajectory regulation wall projects outward from the outer member in a thickness direction of the sliding structure, such that the exterior member arranged along the harness trajectory regulation wall is moved away from the fixed structure toward the sliding structure side, preventing interference between the exterior member and the fixed structure.Type: ApplicationFiled: June 19, 2014Publication date: October 9, 2014Inventor: Kei Ikeda
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Patent number: 8851556Abstract: A center pillar includes a first reinforcement panel which is arranged between an outer panel and an inner panel, comprises a bottom wall portion, both-side vertical wall portions extending in a vehicle width direction from the bottom wall portion, and both-side flange portions, and has a cross section formed in substantially a hat shape. A second reinforcement panel comprising a bottom wall portion and both-side vertical wall portions and having a cross section formed in substantially a U shape is arranged inside the first reinforcement panel. The second reinforcement panel is joined to the first reinforcement panel such that only the bottom wall portion and one of the both-side vertical wall portions are joined to the bottom wall portion and one of the both-side vertical wall portions, respectively.Type: GrantFiled: July 10, 2013Date of Patent: October 7, 2014Assignee: Mazda Motor CorporationInventors: Yoshikazu Nishimura, Kei Ikeda, Kazuya Fukutani, Naoki Kaneko, Noboru Yoshii
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Publication number: 20140028056Abstract: A center pillar includes a first reinforcement panel which is arranged between an outer panel and an inner panel, comprises a bottom wall portion, both-side vertical wall portions extending in a vehicle width direction from the bottom wall portion, and both-side flange portions, and has a cross section formed in substantially a hat shape. A second reinforcement panel comprising a bottom wall portion and both-side vertical wall portions and having a cross section formed in substantially a U shape is arranged inside the first reinforcement panel. The second reinforcement panel is joined to the first reinforcement panel such that only the bottom wall portion and one of the both-side vertical wall portions are joined to the bottom wall portion and one of the both-side vertical wall portions, respectively.Type: ApplicationFiled: July 10, 2013Publication date: January 30, 2014Inventors: Yoshikazu NISHIMURA, Kei IKEDA, Kazuya FUKUTANI, Naoki KANEKO, Noboru YOSHII
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Publication number: 20140028057Abstract: An opening portion is formed at a specified portion of a roof gusset which covers part of a panel joint portion from below. A pair of center-pillar side joint portions is provided at an outward end portion of the roof gusset, which is joined to a center pillar directly or via another panel member. A pair of first high-rigidity portions is provided at specified portions of the roof gusset which overlap the opening portion in a vehicle width direction and overlap the center-pillar joint portions in the vehicle longitudinal direction, respectively. A second high-rigidity portion is provided at an inward end portion of the roof gusset to extend in the vehicle longitudinal direction.Type: ApplicationFiled: July 19, 2013Publication date: January 30, 2014Inventors: Yoshikazu NISHIMURA, Kei IKEDA, Kazuya FUKUTANI, Naoki KANEKO, Noboru YOSHII
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Publication number: 20120238155Abstract: In a coupling structure of a wiring member for coupling a plurality of connector terminals with the wiring member which is configured by arranging in parallel a plurality of flat-type conductors in a width direction thereof and covering an outer periphery of the flat-type conductors by an insulation member, the connector terminals are electrically coupled to the wiring member in an orthogonal manner so as to match to terminal pitches of a complementary connector.Type: ApplicationFiled: November 29, 2010Publication date: September 20, 2012Applicant: YAZAKI CORPORATIONInventor: Kei Ikeda
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Patent number: 7852715Abstract: An objective lens is moved with a disc irradiated with laser light. A maximum value FEmax and a minimum value FEmin of the focus error signal, and a maximum value FSmax of the amplitude of a focus sum signal are measured. “(FEmax?FEmin)/FSmax” is compared with a determination value to determine the type of a disc.Type: GrantFiled: February 6, 2007Date of Patent: December 14, 2010Assignee: Panasonic CorporationInventors: Kouji Hosokawa, Kei Ikeda, Kohei Ashiho
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Patent number: 7683259Abstract: For improving durability of a wiring harness of a power supply system used in a sliding structure, a power supply system includes a casing; a wiring harness; a harness supporter arranged along a base of the casing so as to move freely back-and-forth in the casing; and a constant force spring arranged along the base of the casing. The wiring harness is bent and wired along an outer surface of the harness supporter, and the harness supporter is biased with a spring force by the constant force spring so as to absorb an extra length of the wiring harness. A winding part of the constant force spring is separated from a harness receiving space of the casing, and an end of the constant force spring led from the winding part is connected and fixed to the harness supporter at an outside of the casing.Type: GrantFiled: December 19, 2008Date of Patent: March 23, 2010Assignee: Yazaki CorporationInventors: Akira Tsubaki, Kentaro Shiraki, Kei Ikeda
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Publication number: 20090274184Abstract: The present invention provides an optical unit capable of suppressing a thermal influence on the optical element even if a heating source such as a laser driver is disposed near the optical element. A light pickup unit 9 of the present invention includes a beam splitter 12 and a collimate lens 13 at locations opposed to a laser driver 17. In a space 24 formed by the laser driver 17, the beam splitter 12 and the collimate lens 13, a thermal insulation sheet 18 is provided on the side of the laser driver 17, and a thermal conductive sheet 19 is provided on the side of the beam splitter 12 and the collimate lens 13.Type: ApplicationFiled: April 25, 2006Publication date: November 5, 2009Applicant: Matsushita Electric Industrial Co. Ltd.Inventors: Kei Ikeda, Hiroyuki Ogawa