Patents by Inventor Toru Miyajima

Toru Miyajima 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: 10682625
    Abstract: Provided is an absorbent resin composition which has both improved absorbency under load and improved liquid permeability between swollen gels, which is free from blocking or discoloration during storage, and which does not generate any odors. The present invention is an absorbent resin composition containing: a crosslinked polymer (A) including, as an essential structural units, a crosslinking agent (b) and a water-soluble vinyl monomer (a1) and/or a vinyl monomer (a2) which produces the water-soluble vinyl monomer (a1) through hydrolysis; and a cationic organic polymer (c) having a number average molecular weight of 1,000,000 or higher, or a cationic organic polymer (B) that has a cationic group and that is obtained through polymerization of a monomer composition including, as essential components, a cationic monomer having an amino group (am) and/or a cationic monomer having a salt of an amino group (am).
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: June 16, 2020
    Assignee: SDP Global Co., Ltd.
    Inventors: Toru Miyajima, Yusuke Matsubara, Taichi Matsuyama, Shoichi Hirooka
  • Publication number: 20200055771
    Abstract: The present invention relates to a film-attached glass substrate, characterized by: being provided with a glass substrate having two primary surfaces each having a compressive stress layer, and a film containing 1 at % or more of K disposed on one of the primary surfaces of the glass substrate; and the ratio of the difference in the amount of K in the compressive stress layer between the primary surfaces, the ratio being represented by formula (1), being ?0.027 to 0.027.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Applicant: AGC Inc.
    Inventors: Yosuke TAKEDA, Toru IKEDA, Naofumi AOYAMA, Tatsuya MIYAJIMA, Yoichi SERA
  • Publication number: 20180318792
    Abstract: Provided is an absorbent resin composition which has both improved absorbency under load and improved liquid permeability between swollen gels, which is free from blocking or discoloration during storage, and which does not generate any odors. The present invention is an absorbent resin composition containing: a crosslinked polymer (A) including, as an essential structural units, a crosslinking agent (b) and a water-soluble vinyl monomer (a1) and/or a vinyl monomer (a2) which produces the water-soluble vinyl monomer (a1) through hydrolysis; and a cationic organic polymer (c) having a number average molecular weight of 1,000,000 or higher, or a cationic organic polymer (B) that has a cationic group and that is obtained through polymerization of a monomer composition including, as essential components, a cationic monomer having an amino group (am) and/or a cationic monomer having a salt of an amino group (am).
    Type: Application
    Filed: September 30, 2016
    Publication date: November 8, 2018
    Applicant: SDP Global Co., Ltd.
    Inventors: Toru MIYAJIMA, Yusuke MATSUBARA, Taichi MATSUYAMA, Shoichi HIROOKA
  • Publication number: 20180282441
    Abstract: Provided is a method for producing water-absorbent resin particles, which is capable of improving the gel strength for the purpose of achieving a good balance between the absorption under load and the rate of liquid permeation through gel. The present invention is a method for producing water-absorbent resin particles, which is characterized by comprising a step wherein a monomer composition containing a water-soluble vinyl monomer (a1) and/or a vinyl monomer (a2) that turns into a water-soluble vinyl monomer (a1) by means of hydrolysis and a crosslinking agent (b) is polymerized in the presence of at least one organic main group element compound selected from the group consisting of organic iodine compounds, organic tellurium compounds, organic antimony compounds, and organic bismuth compounds.
    Type: Application
    Filed: September 30, 2016
    Publication date: October 4, 2018
    Inventors: Yusuke Matsubara, Toru Miyajima
  • Publication number: 20180044487
    Abstract: Provided are aqueous-liquid absorbent resin particles in which the aqueous-liquid absorbent resin is not blocked regardless of working environment or weather condition, and that have excellent powder feedability and absorption performance under a load. The present invention pertains to aqueous-liquid absorbent resin articles (P) obtained by a production method comprising at least two steps of surface crosslinking step for crosslinking, by using a surface crosslinking agent (c), the surfaces of resin particles (B) containing a crosslinked polymer (A) of which the essential constitutional unit is formed of a water-soluble vinyl monomer (a1), and/or a vinyl monomer (a2) that becomes a water-soluble vinyl monomer (a1) through hydrolysis, and a crosslinking agent (b). The surface crosslinking agent (c) used is different between the first surface crosslinking step and the second crosslinking step.
    Type: Application
    Filed: March 7, 2016
    Publication date: February 15, 2018
    Inventors: Toru Miyajima, Yusuke Matsubara, Eiji Morita, Kosuke Kawamura
  • Patent number: 9584708
    Abstract: An imaging apparatus comprises an optical system that includes a plurality of lens groups, each lens group including one or more lenses, at least one of the lens groups being independently movable with respect to the other lens groups and including a focus lens group for focusing the subject and a lens control unit that controls movement of the plurality of lens groups to bring into focus based on a feeding position of the focus lens group.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: February 28, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Yoshinori Matsuzawa, Sumio Kawai, Toru Miyajima, Osamu Nonaka, Hiroshi Kodama
  • Patent number: 9442569
    Abstract: An operation apparatus includes a touch detection section, a vibration section, a setting section and a control section. The touch detection section is provided on an exterior part, and outputs a signal when touched by an user. The vibration section is provided on the touch detection section in an overlapping manner, and vibrates when the touch of the user is detected by the touch detection section. The setting section is configured to set a function to be carried out when the touch detection section is touched. The control section is configured to determine a touch position of the touch detection section, provided on the touch detection section of the determined touch position, and configured to cause the vibration section to vibrate, and output a signal used to cause the function.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: September 13, 2016
    Assignee: OLYMPUS CORPORATION
    Inventors: Kento Kokubu, Toru Miyajima, Sumio Kawai
  • Patent number: 9151939
    Abstract: There is provided a zoom lens in which the load on the driving system for wobbling operation can easily made low and an image pickup apparatus equipped with the same. A zoom lens in which each of distances between a plurality of lens units changes during zooming from the wide angle end to the telephoto end, includes a focus lens unit that shifts along an optical axis to effect focusing from infinity to a close distance and a plurality of wobbling lens units that wobble after a shift of the focus lens unit at an amplitude smaller than the shift of the focus lens unit in focusing operation, wherein a combination of the wobbling lens units caused to operate changes in the middle of the zooming from the wide angle end to the telephoto end.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 6, 2015
    Assignees: OLYMPUS CORPORATION, OLYMPUS IMAGING CORP.
    Inventors: Toru Miyajima, Kazuya Nishimura, Hiroshi Kodama, Toshio Takahashi
  • Publication number: 20150244907
    Abstract: An imaging apparatus comprises an optical system that includes a plurality of lens groups, each lens group including one or more lenses, at least one of the lens groups being independently movable with respect to the other lens groups and including a focus lens group for focusing the subject and a lens control unit that controls movement of the plurality of lens groups to bring into focus based on a feeding position of the focus lens group.
    Type: Application
    Filed: May 12, 2015
    Publication date: August 27, 2015
    Applicant: OLYMPUS IMAGING CORP.
    Inventors: Yoshinori Matsuzawa, Sumio Kawai, Toru Miyajima, Osamu Nonaka, Hiroshi Kodama
  • Patent number: 9041852
    Abstract: An imaging apparatus comprises an optical system that includes a plurality of lens groups, each lens group including one or more lenses, at least one of the lens groups being independently movable with respect to the other lens groups and including a focus lens group for focusing the subject and a lens control unit that controls movement of the plurality of lens groups to bring into focus based on a feeding position of the focus lens group.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: May 26, 2015
    Assignee: OLYMPUS IMAGING CORP.
    Inventors: Yoshinori Matsuzawa, Sumio Kawai, Toru Miyajima, Osamu Nonaka, Hiroshi Kodama
  • Publication number: 20150138387
    Abstract: An operation apparatus includes a touch detection section, a vibration section, a setting section and a control section. The touch detection section is provided on an exterior part, and outputs a signal when touched by an user. The vibration section is provided on the touch detection section in an overlapping manner, and vibrates when the touch of the user is detected by the touch detection section. The setting section is configured to set a function to be carried out when the touch detection section is touched. The control section is configured to determine a touch position of the touch detection section, provided on the touch detection section of the determined touch position, and configured to cause the vibration section to vibrate, and output a signal used to cause the function.
    Type: Application
    Filed: November 10, 2014
    Publication date: May 21, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Kento KOKUBU, Toru MIYAJIMA, Sumio KAWAI
  • Publication number: 20150015745
    Abstract: There is provided a zoom lens in which the load on the driving system for wobbling operation can easily made low and an image pickup apparatus equipped with the same. A zoom lens in which each of distances between a plurality of lens units changes during zooming from the wide angle end to the telephoto end, includes a focus lens unit that shifts along an optical axis to effect focusing from infinity to a close distance and a plurality of wobbling lens units that wobble after a shift of the focus lens unit at an amplitude smaller than the shift of the focus lens unit in focusing operation, wherein a combination of the wobbling lens units caused to operate changes in the middle of the zooming from the wide angle end to the telephoto end.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 15, 2015
    Inventors: Toru Miyajima, Kazuya Nishimura, Hiroshi Kodama, Toshio Takahashi
  • Patent number: 8238035
    Abstract: A zoom lens according to the present invention includes, in order from the object side to the image side, a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, a third lens unit having a negative refracting power, and a fourth lens unit having a positive refracting power, wherein during zooming from the wide angle end to the telephoto end, the first lens unit, the second lens unit, the third lens unit, and the fourth lens unit move in such a way that they are located closer the object side at the telephoto end than at the wide angle end, the distance between the first lens unit and the second lens unit is larger at the telephoto end than at the wide angle end, the distance between the second lens unit and the third lens unit is larger at the telephoto end than at the wide angle end, and the distance between the third lens unit and the fourth lens unit is smaller at the telephoto end than at the wide angle end.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: August 7, 2012
    Assignees: Olympus Corporation, Olympus Imaging Corp.
    Inventors: Yasuharu Yamada, Toru Miyajima, Ayami Imamura
  • Patent number: 8218245
    Abstract: A zoom lens includes, from an object side in the following order: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; a third lens group that has a positive refractive power; and a fourth lens group that has a positive refractive power, wherein: when magnification is changed from a wide angle end to a telephoto end, the lens groups each move so as to increase the distance between the first and second lens groups and to decrease the distance between the second and third lens groups and the distance between the third and fourth lens groups; and the following conditional expressions (1) and (2) are satisfied: 5.5<f1/fw<8.0??(1); and 0.5<?d3/?d4<0.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: July 10, 2012
    Assignee: Olympus Imaging Corp.
    Inventor: Toru Miyajima
  • Publication number: 20120147251
    Abstract: An imaging apparatus comprises an optical system that includes a plurality of lens groups, each lens group including one or more lenses, at least one of the lens groups being independently movable with respect to the other lens groups and including a focus lens group for focusing the subject and a lens control unit that controls movement of the plurality of lens groups to bring into focus based on a feeding position of the focus lens group.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 14, 2012
    Applicant: OLYMPUS IMAGING CORP.
    Inventors: Yoshinori Matsuzawa, Sumio Kawai, Toru Miyajima, Osamu Nonaka, Hiroshi Kodama
  • Publication number: 20120119154
    Abstract: Provided is an electroconductive coating composition which is soluble in solvent and exhibits excellent proccessability, and the electric conductivity of which rarely lowers even under high temperature conditions. An electroconductive coating composition (A) characterized by containing both a substituted polythiophene (P) and a dopant (D), said substituted polythiophene (P) being a polythiophene in which at least some of the thiophene repeating unit are each a thiophene repeating unit (?) which is substituted at the 3-position and/or the 4-position of a thiophene ring by (a) a polyether group that comprises 1 to 9 C2-4 oxyalkylene group repeating units and that has a C1-15 alkoxy group at one terminal, (b) an alkoxy group, (c) an alkoxyalkyl group, or (d) an alkyl group that is substituted or unsubstituted by the polyether group (a).
    Type: Application
    Filed: March 19, 2010
    Publication date: May 17, 2012
    Applicant: Sanyo Chemical Industries, Ltd.
    Inventors: Takeshi Otaka, Yoichi Kanda, Toru Miyajima
  • Patent number: 8102606
    Abstract: A zoom lens system includes, in order from an object side, a first lens unit G1 having a positive refracting power, a second lens unit G2 having a negative refracting power, a third lens unit G3 having a positive refracting power, and a fourth lens unit G4 having a positive refracting power, and at the time of zooming from a wide angle end to a telephoto end, a space between the lens units changes, and the second lens unit includes not more than three lenses, and a biconcave negative lens which satisfies the following conditional expression (1) is disposed nearest to the object side, in the second lens unit, and (the zoom lens system) is characterized by satisfying the following conditional expression (2) ?0.1<SF2n1<0.5??(1) 3.0<ft/fw<12.0??(2).
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: January 24, 2012
    Assignee: Olympus Imaging Corp.
    Inventor: Toru Miyajima
  • Publication number: 20110109978
    Abstract: A zoom lens according to the present invention includes, in order from the object side to the image side, a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, a third lens unit having a negative refracting power, and a fourth lens unit having a positive refracting power, wherein during zooming from the wide angle end to the telephoto end, the first lens unit, the second lens unit, the third lens unit, and the fourth lens unit move in such a way that they are located closer the object side at the telephoto end than at the wide angle end, the distance between the first lens unit and the second lens unit is larger at the telephoto end than at the wide angle end, the distance between the second lens unit and the third lens unit is larger at the telephoto end than at the wide angle end, and the distance between the third lens unit and the fourth lens unit is smaller at the telephoto end than at the wide angle end.
    Type: Application
    Filed: November 2, 2010
    Publication date: May 12, 2011
    Inventors: Yasuharu Yamada, Toru Miyajima, Ayami Imamura
  • Publication number: 20100238563
    Abstract: A zoom lens includes, from an object side in the following order: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; a third lens group that has a positive refractive power; and a fourth lens group that has a positive refractive power, wherein: when magnification is changed from a wide angle end to a telephoto end, the lens groups each move so as to increase the distance between the first and second lens groups and to decrease the distance between the second and third lens groups and the distance between the third and fourth lens groups; and the following conditional expressions (1) and (2) are satisfied: 5.5<f1/fw<8.0??(1); and 0.5<?d3/?d4<0.
    Type: Application
    Filed: March 9, 2010
    Publication date: September 23, 2010
    Inventor: Toru Miyajima
  • Patent number: 7729058
    Abstract: A zoom lens system includes, in order from an object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power. During zooming from a wide-angle end to a telephoto end, a space between the first lens unit and the second lens unit narrows, at least the second lens unit moves only toward the object side, and the third lens unit is constituted of one positive lens.
    Type: Grant
    Filed: November 21, 2006
    Date of Patent: June 1, 2010
    Assignee: Olympus Imaging Corp.
    Inventors: Kouki Hozumi, Takahiro Amanai, Toru Miyajima, Masahito Watanabe, Masashi Hankawa, Kazuya Nishimura