Patents by Inventor Akihiro Iino

Akihiro Iino 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: 10550893
    Abstract: Provided is a bearing having a plurality of rolling elements disposed between an inner ring and an outer ring that are disposed coaxially, wherein a groove section extending in a circumferential direction of an outer circumferential surface of the outer ring outside in a radial direction is formed on the outer circumferential surface, and an enveloping layer formed of any one of rubber, a thermoplastic elastomer and a plastic is formed on the outer circumferential surface.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: February 4, 2020
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Akihiro Iino, Tatsumi Yamada, Noritoshi Yuura, Haruhiko Hasegawa
  • Patent number: 10520029
    Abstract: A structure includes an enveloping layer formed on one of a circular outer surface or a flat outer surface having irregularities, wherein the enveloping layer includes an outer circumferential surface layer formed by thermally fusing a thermoplastic elastomer. The enveloping layer has a first material layer provided on one of the outer surfaces and formed from an amorphos plastic, and a second material layer provided on the first material layer and formed from a thermoplastic elastomer selected from the group consisting of styrenes, olefins, polyvinyl chlorides, urethanes and polyesters.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: December 31, 2019
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Akihiro Iino, Yukihiro Nakayama, Hironobu Itoh, Tatsumi Yamada, Noritoshi Yuura, Haruhiko Hasegawa
  • Publication number: 20190264742
    Abstract: An enveloping layer-coated slide bearing includes a slide bearing having a bearing surface formed in a cylindrical shape, and a first enveloping layer formed of a thermoplastic elastomer on an outer circumferential surface of the slide bearing.
    Type: Application
    Filed: May 8, 2019
    Publication date: August 29, 2019
    Inventors: Akihiro IINO, Tatsumi YAMADA
  • Patent number: 10132355
    Abstract: A grease for a rolling bearing of an information recording and reproducing apparatus contains a base oil, a thickener, and at least one kind of an antioxidant selected from an amine-based antioxidant expressed by the General Formula (1), and a phenol-based antioxidant expressed by the General Formula (2). The base oil contains a refined mineral oil classified as Group III in a base oil category defined by the American Petroleum Institute, and the flash point of the refined mineral oil is 240° C. or higher.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: November 20, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Akihiro Iino, Yukihiro Nakayama, Misato Hanaoka, Hisaya Nakamura, Hiroki Yoda
  • Publication number: 20180306240
    Abstract: An enveloping layer-coated slide bearing includes a slide bearing having a bearing surface formed in a cylindrical shape, and a first enveloping layer formed of a thermoplastic elastomer on an outer circumferential surface of the slide bearing.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 25, 2018
    Inventors: Akihiro IINO, Tatsumi YAMADA
  • Publication number: 20180306242
    Abstract: The present invention provides a structure including an enveloping layer formed on one of a circular outer surface and/or a flat outer surface having irregularities, wherein the enveloping layer includes an outer circumferential surface layer formed by thermally fusing a thermoplastic elastomer.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 25, 2018
    Inventors: Akihiro IINO, Yukihiro NAKAYAMA, Hironobu ITOH, Tatsumi YAMADA, Noritoshi YUURA, Haruhiko HASEGAWA
  • Publication number: 20180306243
    Abstract: Provided is a bearing having a plurality of rolling elements disposed between an inner ring and an outer ring that are disposed coaxially, wherein a groove section extending in a circumferential direction of an outer circumferential surface of the outer ring outside in a radial direction is formed on the outer circumferential surface, and an enveloping layer formed of any one of rubber, a thermoplastic elastomer and a plastic is formed on the outer circumferential surface.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 25, 2018
    Inventors: Akihiro IINO, Tatsumi YAMADA, Noritoshi YUURA, Haruhiko HASEGAWA
  • Publication number: 20180241280
    Abstract: This vibration generation device includes a rotor that is configured to be rotatable about a rotation axis, the rotor including a weight having a center of gravity that is eccentric with respect to the rotation axis; a shaft that is inserted into the rotor and configured to rotatably support the rotor; and a restriction part that is disposed further inward than the weight in a radial direction, the restriction part being attached to one end of the shaft, and the restriction part restricting a movement of the rotor in an axial direction.
    Type: Application
    Filed: February 12, 2018
    Publication date: August 23, 2018
    Inventors: Akihiro IINO, Masao KASUGA
  • Publication number: 20180175759
    Abstract: A control device for the vibration generation device includes the vibration generation device including a stator, and a rotor provided so as to be able to rotate around a predetermined axis with respect to the stator, and having a weight having a gravity center at a position shifted from the predetermined axis, and a control section adapted to control a start-up period maximum voltage value, which is a maximum voltage value of a drive signal to be applied to the vibration generation device in a start-up period, to become larger than a steady operation period voltage value, which is a voltage value of the drive signal to be applied to the vibration generation device in a steady operation period.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 21, 2018
    Inventor: Akihiro IINO
  • Publication number: 20180161994
    Abstract: A cutting device includes a support shaft, a first blade body which holds the support shaft, a slide bearing mounted on the support shaft, a second blade body provided to overlap the first blade body and rotatably supported on the support shaft via the slide bearing, a fixing member disposed on the support shaft on a side opposite to the first blade body across the slide bearing, and a biasing member disposed between the slide bearing and the fixing member. A regulating portion, which regulates movement of the slide bearing toward the first blade body side with respect to the second blade body, is provided in at least one of the second blade body and the slide bearing, and the slide bearing is biased toward the first blade body side by the biasing member.
    Type: Application
    Filed: June 16, 2016
    Publication date: June 14, 2018
    Inventors: Makoto SUZUKI, Kazuyoshi FURUTA, Akihiro IINO, Jun SHINOHARA
  • Patent number: 9994788
    Abstract: Grease comprises a base oil and a thickener. The base oil contains mineral oil and poly-?-olefin, the proportion of the mineral oil is 10% by mass to 40% by mass in 100% by mass of the base oil, and a kinematic viscosity v1 of the mineral oil at 40° C. is higher than a kinematic viscosity v2 of the poly-?-olefin at 40° C. The base oil comprises a refined mineral oil that is classified as Group III in a base oil category defined by the American Petroleum Institute, and the flash point of the refined mineral oil is 240° C. or higher. A rolling bearing contains the grease, a rolling bearing device includes a shaft supported by the rolling bearing device, and an information recording and reproducing apparatus includes the rolling bearing device.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: June 12, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Akihiro Iino, Yukihiro Nakayama, Misato Hanaoka, Hisaya Nakamura, Hiroki Yoda
  • Publication number: 20180147737
    Abstract: A cutting device includes a support shaft; a first blade body which holds the support shaft; a rolling bearing which is mounted on the support shaft, and has an outer race and an inner race; a second blade body which is provided to overlap the first blade body, and is rotatably supported on the support shaft via the rolling bearing; a fixing member which is disposed on the support shaft on a side opposite to the first blade body across the rolling bearing; and a biasing member disposed between the rolling bearing and the fixing member. One of the outer race and the inner race rotates integrally with the second blade body, and the other of the outer race and the inner race is biased toward the first blade body by the biasing member.
    Type: Application
    Filed: June 16, 2016
    Publication date: May 31, 2018
    Inventors: Makoto SUZUKI, Kazuyoshi FURUTA, Akihiro IINO, Jun SHINOHARA
  • Publication number: 20180147605
    Abstract: There is provided a vibration generation device superior in responsivity compared to the related art. The vibration generation device includes a stator, a rotor provided to the stator so as to be able to rotate around the central axis, and having a weight having a gravity center at a position shifted from the central axis, and an air resistance reduction part provided to the weight, and reducing the air resistance to the weight when the rotor rotates. The weight is formed to have a semicircular shape viewed from the axial direction, and the air resistance reduction part has an arcuate part adapted to connect an end edge on the upstream side in the rotational direction of the rotor in the outer circumferential surface of the weight and an end edge on the downstream side in the rotational direction to each other so as to form a circular arc shape.
    Type: Application
    Filed: November 16, 2017
    Publication date: May 31, 2018
    Inventors: Akihiro IINO, Masao KASUGA
  • Patent number: 9934799
    Abstract: A bearing device includes a shaft and a roller bearing externally inserted over the shaft. The roller bearing includes an inner ring disposed coaxially with a center axis of the shaft, an outer ring surrounding the inner ring from an outer side in a radial direction, and a plurality of rolling elements held between the inner ring and the outer ring to be capable of rolling. The inner ring is divided into one half section and the other half section. The one half section contacts the rolling elements from the one side toward the other side in the axial direction, and the other half section contacts the rolling elements from the other side toward the one side in the axial direction. Preloads are applied to the two half sections in directions in which the one half section and the other half section are brought close to each other.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: April 3, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Akihiro Iino, Masami Oaku, Takayuki Kosaka
  • Publication number: 20180010642
    Abstract: The invention has an object of providing grease reduced in an amount of the flying grease and an amount of the outgas, and superior in low-temperature characteristic, an antifriction bearing using the grease, an antifriction bearing device, and an information recording/reproducing device. A grease includes a base oil, and a thickener, the base oil includes mineral oil and poly-?-olefin, the poly-?-olefin is higher in mass than the mineral oil, the poly-?-olefin includes poly-?-olefin higher in kinetic viscosity than the mineral oil, the kinetic viscosity of the base oil at 40° C. is in a range of 40 through 90 mm2/s, and worked penetration is in a range of 200 through 250. Further, an antifriction bearing, an antifriction bearing device, and an information recording/reproducing device use the grease.
    Type: Application
    Filed: July 3, 2017
    Publication date: January 11, 2018
    Inventors: Akihiro IINO, Takayuki KOSAKA, Misato HANAOKA, Hisaya NAKAMURA, Koji ISHII
  • Publication number: 20170342762
    Abstract: In a touch sensor unit, a bracket body is provided with a first protruding portion which is disposed on a vehicle interior side of a base portion, a gap portion is provided between the first protruding portion and the base portion, the height from the bracket body to the distal end of the first protruding portion is smaller than the height from the bracket body to the sensor portion. Therefore, when the sensor portion and the base portion are elastically deformed by contact with a blockage, the elastically deformed sensor portion and base portion enter the gap portion, thereby preventing the sensor portion and the base portion from being pressed against the corner portion of the bracket without increasing the rigidity of the sensor portion and the base portion.
    Type: Application
    Filed: May 26, 2017
    Publication date: November 30, 2017
    Inventors: Akihiro Iino, Mitsuhiro Okada, Kenta Onodera
  • Publication number: 20170331349
    Abstract: There are provided a vibration generation device and an electronic apparatus adapted to generate a variety of vibrations corresponding to a variety of situations without making the power consumption excessively high. The vibration generation device and the electronic apparatus according to the present embodiment is provided with two vibration motors having respective eccentric weights different in weight from each other, and drives a first vibration motor having a heavier one of the eccentric weights in the case of announcing a first event, for which notice with a strong vibration is necessary or effective. In contrast, in the case of announcing the second event, for which a quick response or a response performance is required, a second vibration motor having a lighter one of the eccentric weights is driven. The first events include incoming, coming of alarm time, a dynamic or important action, motion, and so on in a game.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 16, 2017
    Inventors: Akihiro IINO, Masao KASUGA, Jun SHINOHARA
  • Patent number: 9732798
    Abstract: A grease composition includes a base oil, a thickener and at least one kind of an antioxidant selected from an amine-based antioxidant and a phenol-based antioxidant expressed by the following respective general formulas (1) and 2: The base oil contains a poly-?-olefin and a mineral oil. A mass ratio of poly-?-olefin/mineral oil is 1.25 to 9.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: August 15, 2017
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Akihiro Iino, Yukihiro Nakayama, Misato Hanaoka, Hisaya Nakamura, Hiroki Yoda
  • Publication number: 20170186453
    Abstract: A bearing device includes a shaft and a roller bearing externally inserted over the shaft. The roller bearing includes an inner ring disposed coaxially with a center axis of the shaft, an outer ring surrounding the inner ring from an outer side in a radial direction, and a plurality of rolling elements held between the inner ring and the outer ring to be capable of rolling. The inner ring includes an inner ring one half section disposed on one side in an axial direction and an inner ring other half section disposed on the other side in the axial direction. The inner ring one half section is in contact with the rolling elements from the one side toward the other side in the axial direction. The inner ring other half section is in contact with the rolling elements from the other side toward the one side in the axial direction.
    Type: Application
    Filed: December 1, 2016
    Publication date: June 29, 2017
    Inventors: Akihiro IINO, Masami OAKU, Takayuki KOSAKA
  • Publication number: 20170002867
    Abstract: Provided is grease for a rolling bearing of an information recording and reproducing apparatus 1, containing a base oil, a thickener, and at least one kind of an antioxidant selected from an amine-based antioxidant (A) expressed by the General Formula (1), and a phenol-based antioxidant (B) expressed by the General Formula (2).
    Type: Application
    Filed: August 25, 2016
    Publication date: January 5, 2017
    Inventors: Akihiro IINO, Yukihiro NAKAYAMA, Misato HANAOKA, Hisaya NAKAMURA, Hiroki YODA