Patents by Inventor Yasuhiko Kato
Yasuhiko Kato 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).
-
Publication number: 20240096377Abstract: According to one embodiment, a disk device includes a housing, magnetic disks in the housing, and a printed circuit board attached to an outer surface of a bottom wall of the housing. The housing includes a base including a bottom wall and a side wall, and at least two base-side positioning portions provided on the bottom wall in a region overlapping the side wall. The printed circuit board includes at least two board-side positioning portions each engaged with the base-side positioning portion. One of the base-side positioning portion and the board-side positioning portion includes a pin extending substantially perpendicular to the bottom wall, and another includes a hole into which the pin is fitted.Type: ApplicationFiled: March 13, 2023Publication date: March 21, 2024Inventors: Hiroshi Minami, Shigeru Juman, Kouichi Toukairin, Yasuhiko Kato, Hirofumi Kuribara, Kenji Mizuochi
-
Publication number: 20230306999Abstract: According to one embodiment, a disk device includes a magnetic disk and a rotary unit. The magnetic disk is rotatable about a first rotation axis extending in the first direction. The rotary unit includes a rotary member, a bearing, and a first filter. The bearing contains a lubricant and rotatably supports the rotary member about a second rotation axis. The first filter captures at least one component contained in the lubricant. The rotary member is provided with a hole and a first communication port. The hole extends along the second rotation axis to accommodate the bearing. The first communication port extends in a direction intersecting the second rotation axis to allow the hole to be in communication with an outside of the rotary member. The first filter is disposed in the first communication port or covers the first communication port.Type: ApplicationFiled: September 9, 2022Publication date: September 28, 2023Inventors: Kouichi TOUKAIRIN, Kenji MIZUOCHI, Hirofumi KURIBARA, Hiroshi MINAMI, Yasuhiko KATO, Yuya KINUGAWA
-
Patent number: 11749308Abstract: A disk device includes magnetic disks, ramps, suspensions, and magnetic disks. The magnetic disks are arranged above a housing bottom and configured to be rotated around a first rotation axis. The ramps are arranged above the housing bottom. The suspensions are configured to be rotated around a second rotation axis parallel to the first rotation axis, The magnetic heads are mounted on the suspensions, respectively. Each of the suspensions is configured to be rotated around the second rotation axis from a first position above or below one of the magnetic disks to a second position on one of the ramps. The plurality of ramps includes a first ramp and a second ramp that is above the first ramp. An inner end of the second ramp is closer to the first rotation axis than is an inner end of the first ramp.Type: GrantFiled: March 1, 2022Date of Patent: September 5, 2023Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventor: Yasuhiko Kato
-
Publication number: 20230254620Abstract: Audio signal processing that satisfies both sound quality and cost is enabled. A processing unit that performs processing based on an output audio signal of a first microphone unit focusing on sound quality and an output audio signal of a second microphone unit focusing on cost is included. For example, the processing performed by the processing unit includes processing of obtaining a beamforming output and processing of obtaining a sound source separation output. Furthermore, for example, the processing performed by the processing unit may include processing of generating a first audio signal on the basis of an output audio signal of the first microphone and processing of generating a second audio signal on the basis of output audio signals of a plurality of the second microphone units.Type: ApplicationFiled: July 12, 2021Publication date: August 10, 2023Inventors: YOHEI SAKURABA, YOSHIHIRO TAMURA, HIDEAKI WATANABE, KAZUHIRO MATSUTANI, YASUHIKO KATO, TAKESHI YAMAGUCHI
-
Publication number: 20230088522Abstract: A disk device includes magnetic disks, ramps, suspensions, and magnetic disks. The magnetic disks are arranged above a housing bottom and configured to be rotated around a first rotation axis. The ramps are arranged above the housing bottom. The suspensions are configured to be rotated around a second rotation axis parallel to the first rotation axis, The magnetic heads are mounted on the suspensions, respectively. Each of the suspensions is configured to be rotated around the second rotation axis from a first position above or below one of the magnetic disks to a second position on one of the ramps. The plurality of ramps includes a first ramp and a second ramp that is above the first ramp. An inner end of the second ramp is closer to the first rotation axis than is an inner end of the first ramp.Type: ApplicationFiled: March 1, 2022Publication date: March 23, 2023Inventor: Yasuhiko KATO
-
Patent number: 11600298Abstract: According to one embodiment, a disk device includes a recording medium, a magnetic head, a ramp, and an actuator. The recording medium has a recording surface and is rotatable around a first rotation axis. The actuator includes a first portion extending so as to be separated from a second rotation axis and separated from the recording surface as the distance from the second rotation axis increases, holds the magnetic head, and is rotatable around the second rotation axis. A first support is provided on the ramp, extends around the second rotation axis, and can support the first portion so that the magnetic head is separated from the recording surface. A second support is provided on the ramp, is located between the first rotation axis and the first support, is separated from the second rotation axis farther than the first support, and can support the first portion.Type: GrantFiled: October 29, 2021Date of Patent: March 7, 2023Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventor: Yasuhiko Kato
-
Patent number: 11594251Abstract: According to one embodiment, a disk device includes a disk-shaped recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall and extending along an entire circumference of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on a first surface of the rib and above the first cover. The rib includes a first region with a first width, a second region with a second width less than the first width, and the first surface with a fixed width around an entire circumference of the rib. The first region and the second region are located corresponding to a side portion of the recording medium.Type: GrantFiled: December 30, 2021Date of Patent: February 28, 2023Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventor: Yasuhiko Kato
-
Publication number: 20220310124Abstract: According to one embodiment, a disk device includes a recording medium, a magnetic head, a ramp, and an actuator. The recording medium has a recording surface and is rotatable around a first rotation axis. The actuator includes a first portion extending so as to be separated from a second rotation axis and separated from the recording surface as the distance from the second rotation axis increases, holds the magnetic head, and is rotatable around the second rotation axis. A first support is provided on the ramp, extends around the second rotation axis, and can support the first portion so that the magnetic head is separated from the recording surface. A second support is provided on the ramp, is located between the first rotation axis and the first support, is separated from the second rotation axis farther than the first support, and can support the first portion.Type: ApplicationFiled: October 29, 2021Publication date: September 29, 2022Inventor: Yasuhiko KATO
-
Publication number: 20220122634Abstract: According to one embodiment, a disk device includes a disk-shaped recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on a first surface of the rib and above the first cover. The rib includes a first region with a first width, a second region with a second width less than the first width, and the first surface with a fixed width around an entire circumference of the rib. The first region and the second region are located corresponding to a side portion of the recording medium.Type: ApplicationFiled: December 30, 2021Publication date: April 21, 2022Inventor: Yasuhiko KATO
-
Patent number: 11238892Abstract: According to one embodiment, a disk device includes a recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on the rib and above the first cover. The rib includes a first region with a first chamfered surface with a first chamfered width and a second region with a second chamfered surface with a second chamfered width which is less than the first chamfered width. The first region and the second region are located corresponding to a side portion of the recording medium.Type: GrantFiled: November 17, 2020Date of Patent: February 1, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventor: Yasuhiko Kato
-
Publication number: 20210074324Abstract: According to one embodiment, a disk device includes a disk-shaped recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on a first surface of the rib and above the first cover. The rib includes a first region with a first width, a second region with a second width less than the first width, and the first surface with a fixed width around an entire circumference of the rib. The first region and the second region are located corresponding to a side portion of the recording medium.Type: ApplicationFiled: November 17, 2020Publication date: March 11, 2021Inventor: Yasuhiko Kato
-
Patent number: 10872632Abstract: According to one embodiment, a disk device includes a disk-shaped recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on a first surface of the rib and above the first cover. The rib includes a first region with a first width, a second region with a second width less than the first width, and the first surface with a fixed width around an entire circumference of the rib. The first region and the second region are located corresponding to a side portion of the recording medium.Type: GrantFiled: April 22, 2020Date of Patent: December 22, 2020Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventor: Yasuhiko Kato
-
Publication number: 20200251137Abstract: According to one embodiment, a disk device includes a disk-shaped recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on a first surface of the rib and above the first cover. The rib includes a first region with a first width, a second region with a second width less than the first width, and the first surface with a fixed width around an entire circumference of the rib. The first region and the second region are located corresponding to a side portion of the recording medium.Type: ApplicationFiled: April 22, 2020Publication date: August 6, 2020Inventor: Yasuhiko Kato
-
Patent number: 10672424Abstract: According to one embodiment, a disk device includes a disk-shaped recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on a first surface of the rib and above the first cover. The rib includes a first region with a first width, a second region with a second width less than the first width, and the first surface with a fixed width around an entire circumference of the rib. The first region and the second region are located corresponding to a side portion of the recording medium.Type: GrantFiled: February 25, 2019Date of Patent: June 2, 2020Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventor: Yasuhiko Kato
-
Publication number: 20200082847Abstract: According to one embodiment, a disk device includes a disk-shaped recording medium, a base accommodating the recording medium, the base including a bottom wall, a sidewall on a peripheral portion of the bottom wall, and a rib on a part of an upper surface of the sidewall, a first cover on a part of the upper surface of the sidewall, and a second cover on a first surface of the rib and above the first cover. The rib includes a first region with a first width, a second region with a second width less than the first width, and the first surface with a fixed width around an entire circumference of the rib. The first region and the second region are located corresponding to a side portion of the recording medium.Type: ApplicationFiled: February 25, 2019Publication date: March 12, 2020Inventor: Yasuhiko Kato
-
Patent number: 10446177Abstract: A disk apparatus includes a casing, a rotatable disk recording medium that is disposed within the casing, a head configured to process information with respect to the recording medium, an actuator assembly that is disposed within the casing and that movably supports the head, and a filter unit that is disposed within the casing. The filter unit includes a base section fixed to an inner surface of the casing, a holding frame coupled to the base, and a collection filter detachably held in place by the holding frame.Type: GrantFiled: August 31, 2018Date of Patent: October 15, 2019Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Hirofumi Suzuki, Yasuhiko Kato
-
Publication number: 20190295575Abstract: A disk apparatus includes a casing, a rotatable disk recording medium that is disposed within the casing, a head configured to process information with respect to the recording medium, an actuator assembly that is disposed within the casing and that movably supports the head, and a filter unit that is disposed within the casing. The filter unit includes a base section fixed to an inner surface of the casing, a holding frame coupled to the base, and a collection filter detachably held in place by the holding frame.Type: ApplicationFiled: August 31, 2018Publication date: September 26, 2019Inventors: Hirofumi SUZUKI, Yasuhiko KATO
-
Publication number: 20170236556Abstract: A disk drive includes a housing, a disk recording medium disposed in the housing, and a plurality of filters disposed along a flow channel formed in the housing and overlapped with each other. Each of the filters including an outer member formed of an electrostatic woven fabric and electrostatic non-woven fibers contained in an enclosed space formed by the outer member.Type: ApplicationFiled: August 10, 2016Publication date: August 17, 2017Inventors: Yasuhiko KATO, Yoshihiko NAKAMURA
-
Hybrid vehicle and method for setting specifications of engine and motor/generator in hybrid vehicle
Patent number: 9446758Abstract: A hybrid vehicle (100) is a parallel hybrid vehicle including a motor/generator (5) arranged between an engine (1) and a transmission (62). The engine (1) is configured to perform lean operation in a low-load operating range. The hybrid vehicle is configured such that a rotation speed at a maximum point of power generation efficiency of the motor/generator (5) is within a rotation speed range (Xa) corresponding to a lower-speed part (a) of a 95% fuel-consumption efficiency operating range (A) of the engine (1).Type: GrantFiled: August 31, 2012Date of Patent: September 20, 2016Assignee: MAZDA MOTOR CORPORATIONInventors: Toshihiko Ohsumi, Junji Kaneishi, Yasuhiko Kato, Mitsugu Mera, Masahiko Fujimoto, Hitoshi Fukuba, Kazuya Yokota -
Patent number: D967408Type: GrantFiled: September 7, 2020Date of Patent: October 18, 2022Inventors: Takaharu Tanaka, Hisashi Sugiura, Etsuko Hirota, Yasuhiko Kato, Motoki Asai