Patents by Inventor Yoichi Iwamoto

Yoichi Iwamoto 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: 11079290
    Abstract: There is provided a method for measuring a contact force applied to each tube constituting a tube bundle disposed in a fluid from a vibration damping member by using a probe inserted into each tube. Characteristic data defining a relationship between a value measured by the probe and the contact force is previously prepared. Then, the probe is inserted into the tube, and the contact force is calculated using the measurement value of the probe, based on the characteristic data.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: August 3, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoichi Iwamoto, Masaaki Katayama
  • Patent number: 10859478
    Abstract: A biaxial load test specimen includes a main body and four arms. The main body has a plurality of through-holes aligned along axial directions of two load axes orthogonal to each other. The four arms extend from the main body in the respective axial directions of the load axes. Each of the arms has a plurality of slit grooves extending, on respective extensions of the through-holes aligned in the axial directions, along the respective axial directions.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: December 8, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoichi Iwamoto, Kaina Teshima, Kohei Yamamoto, Hiroyuki Fujiwara
  • Publication number: 20190195707
    Abstract: There is provided a method for measuring a contact force applied to each tube constituting a tube bundle disposed in a fluid from a vibration damping member by using a probe inserted into each tube. Characteristic data defining a relationship between a value measured by the probe and the contact force is previously prepared. Then, the probe is inserted into the tube, and the contact force is calculated using the measurement value of the probe, based on the characteristic data.
    Type: Application
    Filed: July 10, 2017
    Publication date: June 27, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoichi Iwamoto, Masaaki Katayama
  • Publication number: 20190072467
    Abstract: A biaxial load test specimen includes a main body and four arms. The main body has a plurality of through-holes aligned along axial directions of two load axes orthogonal to each other. The four arms extend from the main body in the respective axial directions of the load axes. Each of the arms has a plurality of slit grooves extending, on respective extensions of the through-holes aligned in the axial directions, along the respective axial directions.
    Type: Application
    Filed: February 23, 2017
    Publication date: March 7, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoichi Iwamoto, Kaina Teshima, Kohei Yamamoto, Hiroyuki Fujiwara
  • Publication number: 20140034269
    Abstract: The heat exchanger includes: a plurality of heat transfer tubes which is arranged and provided with predetermined gaps; and a plurality of second vibration suppression members 14B which is provided in the gaps and is provided on both sides sandwiching each of the heat transfer tubes 5, and one second vibration suppression member 14B and the other second vibration suppression member 14B of a plurality of second vibration suppression members 14B are provided at different positions in an axial direction of the heat transfer tubes 5 sandwiching the heat transfer tubes 5, the one second vibration suppression member 14B is provided pressing the heat transfer tubes 5; and the other second vibration suppression member 14B is provided pressing the heat transfer tubes 5 from an opposite side of the one second vibration suppression member 14B.
    Type: Application
    Filed: July 3, 2013
    Publication date: February 6, 2014
    Inventors: Hiroshi Shimizu, Yoshihisa Fujiwara, Tomochika Hamamoto, Kenichi Kawanishi, Ikuo Otake, Hiroyuki Fujiwara, Masahito Matsubara, Yoichi Iwamoto, Keisuke Sasajima, Kotoyo Mizuno, Ryuichi Nagase
  • Patent number: 8640337
    Abstract: A pipe expansion method capable of reducing an inspection range (area) of a heat-transfer pipe secured to a pipe plate and capable of shortening the time required for inspection is provided. In a pipe expansion method for securing a heat-transfer pipe inserted in a pipe hole of a pipe plate by expanding the pipe, after tightly fitting an outer circumferential surface of the heat-transfer pipe to an inner circumferential surface of the pipe hole from a primary-side end face to a secondary-side end face of the pipe plate, surface pressure between the heat-transfer pipe and the pipe plate is further increased in a predetermined range from the secondary-side end face, or close to the secondary-side end face, towards the primary-side end face.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: February 4, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Itaru Muroya, Yoichi Iwamoto, Hisanori Watanabe
  • Publication number: 20140014295
    Abstract: A steam generator includes: an annular member (21) that surrounds a U-bent portion (18) obtained by collectively disposing bent portions of a plurality of heat transfer tubes and is provided between an outer peripheral portion of the U-bent portion (18) and a tube bundle shroud (3) surrounding the outer peripheral portion so as to have a predetermined gap with respect to the U-bent portion (18); a second support member (22) that is provided between the annular member (21) and the tube bundle shroud (3); and a third support member (23) that is attached to a cylinder portion (2) accommodating a plurality of heat transfer tubes and supports the second support member (22).
    Type: Application
    Filed: June 21, 2012
    Publication date: January 16, 2014
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Ryuichi Umehara, Masatsugu Monde, Ryoichi Kawakami, Tomoya Nakagawa, Kazuo Hirota, Yoichi Iwamoto, Itaru Muroya
  • Publication number: 20090199402
    Abstract: A pipe expansion method capable of reducing an inspection range (area) of a heat-transfer pipe secured to a pipe plate and capable of shortening the time required for inspection is provided. In a pipe expansion method for securing a heat-transfer pipe inserted in a pipe hole of a pipe plate by expanding the pipe, after tightly fitting an outer circumferential surface of the heat-transfer pipe to an inner circumferential surface of the pipe hole from a primary-side end face to a secondary-side end face of the pipe plate, surface pressure between the heat-transfer pipe and the pipe plate is further increased in a predetermined range from the secondary-side end face, or close to the secondary-side end face, towards the primary-side end face.
    Type: Application
    Filed: July 6, 2007
    Publication date: August 13, 2009
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Itaru Muroya, Yoichi Iwamoto, Hisanori Watanabe
  • Patent number: 6682243
    Abstract: The invention provides a stick-shaped cosmetic screw-out container including a holding cylinder fitting and holding a stick-shaped cosmetic and having a screwing projection provided from a side wall. The container also includes a shell cylinder including the holding cylinder vertically slidably, having a guide groove through which the screwing projection penetrates provided on a side wall and having an engagement concave portion provided on a lower side wall. The container further includes a sleeve fitted in the shell cylinder, having a screwing groove for screwing the screwing projection provided on an inner wall and having, on a lower inner wall, an inner peripheral rib engaged rotatably with the engagement concave portion so as not to be dropped out, a body cylinder for holding a lower portion of the shell cylinder so as not to be dropped out, and a fitting cylinder fixed onto the body cylinder and provided with a fitting portion in which a cap is removably fitted.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: January 27, 2004
    Assignee: Kanebo, Ltd.
    Inventors: Yoichi Iwamoto, Hisao Iwamoto, Koji Nishikawa
  • Publication number: 20030042161
    Abstract: At least one of a holding cylinder 2 holding a stick-shaped cosmetic 1, a shell cylinder 4 accommodating the holding cylinder 2 and a sleeve 13 held on the outer periphery of the shell cylinder 4 is formed of a different material, a lower portion of the shell cylinder 4 is coupled to a body cylinder 14 unrotatably and removably so as not to be dropped out, the shell cylinder 4 is divided into an upper shell cylinder 4a and a lower shell cylinder 4b, the upper shell cylinder 4a is provided with a guide groove 5 through which a screwing projection 3 of the holding cylinder 2 penetrates, a pair of window portions 34 are provided in the vicinity of a lower end in a horizontal direction, a tongue piece-shaped inserting portion 8 entering from the lower end of the upper shell cylinder 4a is linked to the lower shell cylinder 4b, a hook 32 is protruded from the window portion 34 to the outside over a side wall of a tip portion of the inserting portion 8, one of end faces of the hook 32 is cut like a taper to constit
    Type: Application
    Filed: August 20, 2002
    Publication date: March 6, 2003
    Inventors: Yoichi Iwamoto, Hisao Iwamoto, Koji Nishikawa
  • Patent number: 5934814
    Abstract: A retainer cylinder in which a cosmetic stick is fitted and held is provided with an engagement projection on a side surface therof and inserted in a guide cylinder so that the retainer cylinder can be moved slidingly in the vertical direction. A side wall of the guide cylinder is provided with an axially elongated guide groove through which the engagement projection is passed, and an annular locking recess is formed around the portion of an outer surface of the guide cylinder which is below a lower end of the guide groove. This guide cylinder is inserted in a sleeve so that the guide cylinder can be turned. The sleeve is provided at its lower portion with a locking rib engageable with the locking recess, whereby the sleeve is combined with the guide cylinder so that the sleeve does not come off from the guide cylinder, the sleeve being provided in its inner surface with a helical knurled thread having innumerable projections and recesses.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: August 10, 1999
    Assignee: Katsushika Co., Ltd.
    Inventors: Katsumi Matsuoka, Yoichi Iwamoto
  • Patent number: 5126711
    Abstract: A novel construction of a superconductive coil system, having sufficient coupling strength and stiffness and being easy to assemble, is disclosed. A coil retainer of a stiffened cylindrical shell is divided into two parts for receiving coils and spacers. The inner circumference sides of the adjoining portions of the two parts form a dividing surface consisting of a plane extending longitudinally and are coupled with bolts having their axes directed in the circumferential direction. The outer circumference sides of the same adjoining portions form comb teeth meshed with each other and keyways extending longitudinally along the outer surface of the same comb teeth, and are coupled by keys inserted into the keyways and having their axes directed in the longitudinal direction.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: June 30, 1992
    Assignees: Ship & Ocean Foundation, Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Ryoichi Sasakawa, Yoichi Iwamoto, Yasuo Kannoto, Hisashi Sekimoto, Chiaki Matsuyama, Kazuyoshi Hayakawa, Hiroaki Morita, Masahide Arayasu
  • Patent number: 4961663
    Abstract: This invention relates to a cartridge type cosmetic bar container removably accommodating a cartridge of lipstick or the like in a rotary operating cylinder. This container is designed for an extended useful life, greater ease of use and simplified construction.In the cartridge type cosmetic bar container of this invention, the outer bottom of the inner cylinder of the cartridge is provided with a recess engageable with a cylindrical elevation provided at the inner bottom of the rotary operating cylinder, whereby the inner cylinder and rotary operating cylinder are joined as a unit. As the user turns the rotary operating cylinder, the inner cylinder is rotated and consequently the payout cylinder accommodated in the inner cylinder ascends or descends.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: October 9, 1990
    Assignee: Kanebo, Ltd.
    Inventors: Yoichi Iwamoto, Hisao Iwamoto
  • Patent number: 4616947
    Abstract: A slide type cosmetic stick vessel includes a middle saucer for holding a cosmetic stick, which has an engaging projection formed on the outer wall thereof, a body cylinder having a longitudinal guide groove through which the engaging projection slides, a threaded cylinder fitted on the periphery of the body cylinder, the threaded cylinder having a right-hand flight groove with which the engaging projection is engaged, a cover cylinder in which the threaded cylinder is inserted and secured, the cover cylinder having a second engaging projection formed on the outer wall of the lower portion thereof, a slide cylinder secured to the outer wall of the lower end of the body cylinder, the slide cylinder having a rotation-stopping piece formed on the outer wall thereof, an insert cylinder fitted to the periphery of the lower portion of the cover cylinder, the insert cylinder having a left-hand flight groove with which the second engaging projection is engaged and a longitudinal engaging groove with which the rotatio
    Type: Grant
    Filed: August 24, 1984
    Date of Patent: October 14, 1986
    Assignee: Kanebo Limited
    Inventors: Hisao Iwamoto, Hiroyuki Kimura, Yoichi Iwamoto
  • Patent number: 4615632
    Abstract: A slide type cosmetic stick vessel has a middle saucer for holding a cosmetic stick, which has an engaging projection formed on the outer wall thereof, a body cylinder having a longitudinal guide groove through which the engaging projection slides, a threaded cylinder fitted on the periphery of the body cylinder, the threaded cylinder having a right-hand flight groove with which the engaging projection is engaged, a cover cylinder in which the threaded cylinder is inserted and secured, the cover cylinder having a second engaging projection formed on the outer wall of the lower portion thereof, a middle cylinder having a left-hand flight groove with which the second engaging projection is engaged, the left-hand flight groove being formed on the inner circumferential wall of the lower portion of the middle cylinder, and a longitudinal engaging groove formed on the wall of the middle cylinder, a slide cylinder secured to the outer wall of the lower end of the body cylinder and having a rotation-stopping piece fo
    Type: Grant
    Filed: August 24, 1984
    Date of Patent: October 7, 1986
    Assignee: Kanebo Limited
    Inventors: Hisao Iwamoto, Keiji Jinbo, Yoichi Iwamoto