Patents by Inventor Tomoyuki Tanaka

Tomoyuki Tanaka 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: 20180003299
    Abstract: A stroke sensor includes a cover that covers a slide end on a protrusion side of a shaft in a slide region between the shaft and a housing while allowing a relative movement between the shaft and the housing, wherein a flange surface the extends radially outward from the slide end is provided on the housing, an axial direction seal that is in close contact with the flange surface in the axial line direction is provided on the cover, and a fixation member that presses the axial direction seal to be in contact with the flange surface is further provided.
    Type: Application
    Filed: June 21, 2017
    Publication date: January 4, 2018
    Inventors: Kota Ebina, Tomoyuki Tanaka, Norifumi Shimizu, Jun Morimoto
  • Patent number: 9601252
    Abstract: Deformation is depressed where cover and connectors are integrally formed from a resin. A core body includes first and second body portions coupled to each other in the axial direction. The first body portion has a tubular shape extending in the axial direction, and a space surrounded by the inner peripheral surface thereof forms a housing space for a member that slides in the axial direction along the inner peripheral surface. The second body portion's outer peripheral surface and a bobbin body portion inner peripheral surface contact each other, and the first body portion outer peripheral surface and a target end portion inner peripheral surface, which is the bobbin body portion's end portion on the side in a direction from the second body portion toward the first body portion in the axial direction, are spaced from each other in at least a part of the region in the circumferential direction.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: March 21, 2017
    Assignee: AISIN AW CO. LTD.
    Inventors: Keiichiro Irie, Tomoyuki Tanaka
  • Patent number: 9567303
    Abstract: Provided is a method for producing 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate, including: reacting 2-aminomalonamide with a compound represented by the following formula [1] in the presence of a carboxylic acid to obtain 5-hydroxy-1H-imidazole-4-carboxamide: wherein, in formula [1], each R independently represents a C1-3 alkyl group; reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide with an acidic compound to obtain a 5-hydroxy-1H-imidazole-4-carboxamide acid salt or a hydrate thereof; and reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide acid salt or hydrate thereof with a salt in the presence of an acidic solvent to obtain the 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: February 14, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Taisuke Fujimoto, Tomohiro Hashimoto, Katsuyuki Hayashi, Tomoyuki Tanaka
  • Publication number: 20160329143
    Abstract: Deformation is depressed where cover and connectors are integrally formed from a resin. A core body includes first and second body portions coupled to each other in the axial direction. The first body portion has a tubular shape extending in the axial direction, and a space surrounded by the inner peripheral surface thereof forms a housing space for a member that slides in the axial direction along the inner peripheral surface. The second body portion's outer peripheral surface and a bobbin body portion inner peripheral surface contact each other, and the first body portion outer peripheral surface and a target end portion inner peripheral surface, which is the bobbin body portion's end portion on the side in a direction from the second body portion toward the first body portion in the axial direction, are spaced from each other in at least a part of the region in the circumferential direction.
    Type: Application
    Filed: January 22, 2015
    Publication date: November 10, 2016
    Applicant: AISIN AW CO. LTD.
    Inventors: Keiichiro IRIE, Tomoyuki TANAKA
  • Patent number: 9475778
    Abstract: Sulfate of 5-hydroxy-1H-imidazole-4-carboxamide has such characteristics as suppressed blue coloring, high purity, low hygroscopic property, and superior storage stability, and thus is useful as an active pharmaceutical ingredient of drugs.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: October 25, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Tomoyuki Tanaka, Yu Koseki
  • Patent number: 9318246
    Abstract: An inexpensive solenoid drive device with high magnetic performance is implemented in which a portion accommodating a plunger and a portion attracting the plunger are integrated with a core as a ferromagnetic body. A core includes a magnetic flux limiting portion that is located in a region on the biasing direction side of a first imaginary boundary plane and that is formed so as to have a small thickness in a radial direction, and an increased diameter portion that is formed so that its thickness the radial direction is increased in a continuous or stepwise manner from the first imaginary boundary plane toward the opposite biasing direction side. The increased diameter portion has a recessed portion whose outer surface is recessed toward a radial inner surface with respect to a predetermined increased diameter reference line in axial section of the core.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: April 19, 2016
    Assignee: AISIN AW CO., LTD.
    Inventors: Keiichiro Irie, Tomoyuki Tanaka
  • Publication number: 20150315156
    Abstract: Provided is a method for producing 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate, including: reacting 2-aminomalonamide with a compound represented by the following formula [1] in the presence of a carboxylic acid to obtain 5-hydroxy-1H-imidazole-4-carboxamide: wherein, in formula [1], each R independently represents a C1-3 alkyl group; reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide with an acidic compound to obtain a 5-hydroxy-1H-imidazole-4-carboxamide acid salt or a hydrate thereof; and reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide acid salt or hydrate thereof with a salt in the presence of an acidic solvent to obtain the 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate.
    Type: Application
    Filed: July 10, 2015
    Publication date: November 5, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Taisuke FUJIMOTO, Tomohiro HASHIMOTO, Katsuyuki HAYASHI, Tomoyuki TANAKA
  • Publication number: 20150266826
    Abstract: Sulfate of 5-hydroxy-1H-imidazole-4-carboxamide has such characteristics as suppressed blue coloring, high purity, low hygroscopic property, and superior storage stability, and thus is useful as an active pharmaceutical ingredient of drugs.
    Type: Application
    Filed: June 3, 2015
    Publication date: September 24, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoyuki TANAKA, Yu KOSEKI
  • Patent number: 9108928
    Abstract: Provided is a method for producing 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate, including: reacting 2-aminomalonamide with a compound represented by the following formula [1] in the presence of a carboxylic acid to obtain 5-hydroxy-1H-imidazole-4-carboxamide: wherein, in formula [1], each R independently represents a C1-3 alkyl group; reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide with an acidic compound to obtain a 5-hydroxy-1H-imidazole-4-carboxamide acid salt or a hydrate thereof; and reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide acid salt or hydrate thereof with a salt in the presence of an acidic solvent to obtain the 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: August 18, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Taisuke Fujimoto, Tomohiro Hashimoto, Katsuyuki Hayashi, Tomoyuki Tanaka
  • Publication number: 20150179322
    Abstract: An inexpensive solenoid drive device with high magnetic performance is implemented in which a portion accommodating a plunger and a portion attracting the plunger are integrated with a core as a ferromagnetic body. A core includes a magnetic flux limiting portion that is located in a region on the biasing direction side of a first imaginary boundary plane and that is formed so as to have a small thickness in a radial direction, and an increased diameter portion that is formed so that its thickness the radial direction is increased in a continuous or stepwise manner from the first imaginary boundary plane toward the opposite biasing direction side. The increased diameter portion has a recessed portion whose outer surface is recessed toward a radial inner surface with respect to a predetermined increased diameter reference line in axial section of the core.
    Type: Application
    Filed: July 26, 2013
    Publication date: June 25, 2015
    Applicant: AISIN AW CO., LTD.
    Inventors: Keiichiro Irie, Tomoyuki Tanaka
  • Patent number: 9033086
    Abstract: [Problem] To provide a construction machine with a step arranged in an operator's cab, which makes it possible to enlarge the shape or dimensions of the step without increasing a swing radius. [Solution] In a compact excavator provided with a step that facilitates ingress to and egress from the operator's cab (6), the step is provided at a part thereof with an outwardly-extending edge portion (12a) that extends out beyond an opening plane (16) forming an ingress/egress opening (20), and a door (5) is provided at a part thereof with a convex part (5a) that covers the outwardly-extending edge portion (12a) of the step when the door (5) is in a closed position.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: May 19, 2015
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shougo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Hajime Ishii
  • Patent number: 8967309
    Abstract: An upper revolving structure (3) includes a revolving frame (5), a floor member (9) which is provided on the revolving frame (5) and a front side of which serves as a footrest section (11) on which an operator rests his or her feet, a cab box (17) which forms an operating room (18) above the floor member (9), and an indoor unit (23) disposed on the floor member (9) to supply sucked air as conditioned air. A lower surface (11B) side of the footrest section (11) of the floor member (9) is formed as a unit mounting surface (12), and, as for the indoor unit (23), a box body (24) is disposed on the lower side of the unit mounting surface (12) and, in this state, the box body (24) is mounted on the unit mounting surface (12) by means of a plurality of bolts (32).
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: March 3, 2015
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Hajime Ishii
  • Patent number: 8971972
    Abstract: Object of the invention is to provide a wireless communication terminal having power saving control function that does not affect performance during high-speed communication. The wireless communication terminal comprises a processor that has a power saving control function for reducing the operating clock under a predetermined condition; and a wireless communication unit capable of carrying out communication at a high or low data communication rate wherein, when communication is carried out at the high data communication rate such as HSDPA, the power saving control function of the processor is turned off and the switching of the operating clock to the low clock is prohibited.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: March 3, 2015
    Assignee: Lenovo Innovations Limited (Hong Kong)
    Inventors: Tadashi Tsukamoto, Tomoyuki Tanaka
  • Patent number: 8944493
    Abstract: On a seat base (11) of a floor member (10), a rear surface plate (11C), an operator's seat mounting plate (11D) on which an operator's seat (17) is mounted at a position higher than a footrest area (12) on which the foot is placed, and a duct accommodating space (14) formed in the vertical direction among the rear surface plate (11C), the operator's seat mounting plate (11D), and a rear position (12B) of the footrest area (12) are provided. An indoor air inlet duct (23) having the front surface side opened as a filter fitting hole (25) and introducing air in an occupying space (21) toward an indoor unit (22) of an air-conditioning unit is provided on the duct accommodating space (14). An indoor air filter (26) for catching dusts in the air is provided on the filter fitting hole (25) of the indoor air inlet duct (23).
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: February 3, 2015
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta
  • Patent number: 8944202
    Abstract: A compact excavator includes an operator's cab with a door capable of opening and closing an opening surface forming a boarding port. The door includes one door piece, and has a flexing portion which is closer to a front pillar than the central portion of the door when the door is in a closed state. The flexing portion is shaped to have a first area so formed that when the door is in a closed state, the first area approaches the opening surface as the first area approaches the front pillar, and a second area arranged continuously with the first area and nearer the front pillar than the first area and being formed so that the second area draws away from the opening surface as the second area approaches the front pillar.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: February 3, 2015
    Assignee: Hitachi Construction Machinery Co., Ltd
    Inventors: Tomoyuki Tanaka, Hajime Ishii, Shougo Kimura
  • Patent number: 8905173
    Abstract: A cab (8) is provided with a cab box (13) in which a space between each of pillars (14 to 18) is covered by each of surfaces (13A to 13F) and the inside becomes an operator's room (13G) and a door (24) mounted on the left intermediate pillar (16). On a rear surface portion (14D) of the left front pillar (14), a protruding portion (23A1) of a mounting plate (23A) is provided in a state protruding to the door (24) side. On a mounting opening (24E) on the inner surface side of the door (24), a door holding member (28) engaged with an engaging member (23) and holding the door (24) at a closed position is provided. On the door (24), a retreating recessed portion (29) for avoiding interference with the protruding portion (23A1) of the mounting plate (23A) is provided on the front side from the door holding member (28).
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: December 9, 2014
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shogo Kimura, Tomoyuki Tanaka
  • Publication number: 20140306488
    Abstract: Provided is a pilot valve attachment structure of a construction machine which can reduce an oppressive sensation that an operator sitting on an operator's seat may feel. The present invention is provided in a compact excavator having a travel operation device 11 including a pilot valve 18, and configured such that the pilot valve 18 is attached to a floor plate 15, wherein a recessed part 20 having a hole 20b, into which a casing 18a forming an outer frame of the pilot valve 18 can be inserted, on a bottom part 20a thereof is provided on the floor plate 15, the casing 18a of the pilot valve 18 is attached to the bottom part 20a of the recessed part 20 in a state where the casing 18a of the pilot valve 18 is inserted into the hole 20b of the recessed part 20, and a mat shaped seal member 21 for sealing a space that is formed around the casing 18a of the pilot valve 18 when the casing 18a is inserted into the hole 20b of the recessed part 20.
    Type: Application
    Filed: October 2, 2012
    Publication date: October 16, 2014
    Inventors: Tomoyuki Tanaka, Hiroshi Tabeta
  • Publication number: 20140275568
    Abstract: Provided is a method for producing 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate, including: reacting 2-aminomalonamide with a compound represented by the following formula [1] in the presence of a carboxylic acid to obtain 5-hydroxy-1H-imidazole-4-carboxamide: wherein, in formula [1], each R independently represents a C1-3 alkyl group; reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide with an acidic compound to obtain a 5-hydroxy-1H-imidazole-4-carboxamide acid salt or a hydrate thereof; and reacting the resulting 5-hydroxy-1H-imidazole-4-carboxamide acid salt or hydrate thereof with a salt in the presence of an acidic solvent to obtain the 5-hydroxy-1H-imidazole-4-carboxamide.3/4 hydrate.
    Type: Application
    Filed: March 26, 2014
    Publication date: September 18, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Taisuke FUJIMOTO, Tomohiro HASHIMOTO, Katsuyuki HAYASHI, Tomoyuki TANAKA
  • Patent number: D752112
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: March 22, 2016
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Hiroshi Tabeta, Keiji Ahiko, Junya Kawamoto, Tomoyuki Tanaka
  • Patent number: D752651
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: March 29, 2016
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Osamu Kokuryou, Keiji Ahiko, Junya Kawamoto, Tomoyuki Tanaka