Patents Assigned to Menicon Co., Ltd.
  • Patent number: 10716875
    Abstract: An intraocular lens includes a polymeric lens material formed from a polymerizable composition. The polymerizable composition includes: (a) a single aromatic acrylate monomer which is an aromatic-ring containing acrylate; (b) an alkoxyalkyl methacrylate monomer having an alkoxyalkyl group with 4 or less carbon atoms; (c) an alkyl acrylate monomer having an alkyl group with 1 to 20 carbon atoms; (d) a hydrophilic monomer; and (e) a crosslinkable monomer.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: July 21, 2020
    Assignee: MENICON CO., LTD
    Inventors: Yuya Suganuma, Hiroko Nomura, Tatsuya Ojio, Keishi Tsukamoto
  • Patent number: 10702606
    Abstract: The present invention provides a peptide composition that can achieve both excellent storage stability and transparency. The peptide composition of the present invention includes: a self-assembling peptide; a buffering agent having a pKa of 3.5 or more and less than 7.5 and containing one or more nitrogen atoms; and water, and has a pH of from 4.5 to 6.6.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: July 7, 2020
    Assignee: MENICON CO., LTD.
    Inventors: Yuya Suganuma, Tatsuya Ojio, Hidenori Yokoi
  • Patent number: 10632204
    Abstract: The present invention provides a peptide composition that can achieve both excellent storage stability and transparency. The peptide composition of the present invention includes: a self-assembling peptide; a buffering agent having a pKa of 3.5 or more and less than 7.5 and containing one or more nitrogen atoms; and water, and has a pH of from 4.5 to 6.6.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: April 28, 2020
    Assignee: MENICON CO., LTD.
    Inventors: Yuya Suganuma, Tatsuya Ojio, Hidenori Yokoi
  • Patent number: 10564448
    Abstract: The present invention pertains to a diffractive multi-focal ophthalmic lens, and the purpose is to provide a novel structure and manufacturing method in which improvement in optical characteristics such as halo reduction is obtained. A diffractive multi-focal ophthalmic lens in which a plurality of focal points are set by a diffraction grating comprising a blaze shaped phase function in which a plurality of zone sequences are overlapped, wherein adopted is a structure expressed by a phase function in which an inclination of a blaze of a specific adjustment zone in a standard profile is reversed.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: February 18, 2020
    Assignee: MENICON CO., LTD.
    Inventor: Ichiro Ando
  • Publication number: 20200038548
    Abstract: An intraocular lens includes a polymeric lens material formed from a polymerizable composition. The polymerizable composition includes: (a) a single aromatic acrylate monomer which is an aromatic-ring containing acrylate; (b) an alkoxyalkyl methacrylate monomer having an alkoxyalkyl group with 4 or less carbon atoms; (c) an alkyl acrylate monomer having an alkyl group with 1 to 20 carbon atoms; (d) a hydrophilic monomer; and (e) a crosslinkable monomer.
    Type: Application
    Filed: January 31, 2018
    Publication date: February 6, 2020
    Applicant: MENICON CO., LTD.
    Inventors: Yuya SUGANUMA, Hiroko NOMURA, Tatsuya OJIO, Keishi TSUKAMOTO
  • Patent number: 10478104
    Abstract: A contact lens includes a glucose sensor which can determine when a detectable concentration of glucose is present in the optical fluids of the user. The glucose sensor can transition between a first state and a second state relative to the concentration of glucose within the optical fluid of the user. The glucose sensor can be bonded or otherwise attached or incorporated into the contact lens. While the contact lens is worn in the user's eye, either the user or another person can view the contact lens to quickly determine if an excessive amount of glucose is present in the user's system.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: November 19, 2019
    Assignee: MENICON CO., LTD.
    Inventor: Mouad Lamrani
  • Patent number: 10444542
    Abstract: A decentered type contact lens including: an optical zone provided in a center part of the contact lens; a peripheral zone provided on an outer circumference of the optical zone; an optical center of the optical zone being set to deviate from a lens geometric center; and a circumferential direction alignment mechanism for setting a lens circumferential direction position in a worn state, the contact lens being characterized in that: a center-of-gravity deviation in relation to the lens geometric center is set for the peripheral zone, and a center-of-gravity position shift accompanying deviation of the optical center of the optical zone in relation to the lens geometric center is corrected by offset using the center-of-gravity deviation of the peripheral zone.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: October 15, 2019
    Assignee: MENICON CO., LTD.
    Inventors: Yuji Goto, Mitsuhiko Nakada
  • Patent number: 10444540
    Abstract: The purpose of the present invention is to provide novel contact lens manufacturing method and contact lens capable of giving a lens inner surface shape reflecting a cornea shape of a contact lens wearer more easily than before with sufficient accuracy to reflect the cornea shape, thereby improving comfort during use. By using statistical information on a corneal surface shape obtained from a population of target eyes having a feature to be treated, a fitting for a rotationally-symmetric shape is performed based on a definitional equation using a radius of curvature (R) and a conic constant (C.C.) while a fitting for a rotationally-asymmetric shape is performed based on a definitional equation using a Zernike function. A shape of a lens rear surface (20) corresponding to the corneal surface shape specified by these definitional equations is adopted for a rear surface of a peripheral area of a contact lens (10).
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 15, 2019
    Assignee: MENICON CO., LTD.
    Inventors: Atsushi Kobayashi, Hiroaki Suzuki
  • Publication number: 20190151493
    Abstract: A disinfection system of a contact lens comprising immersing the contact lens in a disinfecting solution containing hydrogen peroxide in a concentration of 1 to 10% and neutralizing the hydrogen peroxide in the disinfecting solution through contact with a metal catalyst, where the disinfecting solution contains an organic carboxylic acid or a salt of the organic carboxylic acid, the organic carboxylic acid having a structure in which a hydroxyl group and a carboxyl group are bonded to one carbon atom; the disinfecting solution is adjusted to have a pH of 6 to 8; and the disinfecting solution after the neutralization is adjusted to have an osmotic pressure of 250 to 350 mOsm.
    Type: Application
    Filed: October 18, 2018
    Publication date: May 23, 2019
    Applicant: MENICON CO., LTD.
    Inventors: Osamu MORI, Yukihiro KOJIMA
  • Patent number: 10295841
    Abstract: A method for manufacturing a diffractive multi-focal ophthalmic lens capable of generating at least three focal points in an optical axis direction using a diffractive structure comprising a plurality of zones in a concentric circle form. A composite profile is generated by overlapping at least two starting profiles comprising a plurality of zones in a concentric circle form, and an adjusted profile is generated in which at least one of phase and amplitude is adjusted by employing a zone of the composite profile as a subject in order to set an intensity distribution in the optical axis direction and determine optical characteristics, to manufacture the diffractive multi-focal ophthalmic lens for which the adjusted profile is provided in at least a portion of the diffractive structure.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: May 21, 2019
    Assignee: MENICON CO., LTD.
    Inventor: Ichiro Ando
  • Patent number: 10281740
    Abstract: The purpose of the present invention is to provide novel contact lens manufacturing method and contact lens capable of giving a lens inner surface shape reflecting a cornea shape of a contact lens wearer more easily than before with sufficient accuracy to reflect the cornea shape, thereby improving comfort during use. By using statistical information on a corneal surface shape obtained from a population of target eyes having a feature to be treated, a fitting for a rotationally-symmetric shape is performed based on a definitional equation using a radius of curvature (R) and a conic constant (C.C.) while a fitting for a rotationally-asymmetric shape is performed based on a definitional equation using a Zernike function. A shape of a lens rear surface (20) corresponding to the corneal surface shape specified by these definitional equations is adopted for a rear surface of a peripheral area of a contact lens (10).
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: May 7, 2019
    Assignee: MENICON CO., LTD.
    Inventors: Atsushi Kobayashi, Hiroaki Suzuki
  • Patent number: 10221273
    Abstract: A contact lens is provided as hydrate of a copolymer of at least three components including (I) both terminal-polymerizable silicone oligomer exhibiting viscosity of at least 200 mPa┬Ěs at room temperature, (II) a hydrophilic monomer component having ethylenically unsaturated group, and (III) a hydrophobic monomer component having molecular weight of at most 700, wherein the lens exhibits an elastic-modulus ratio determined as ratio of a rupture elastic modulus to an initial elastic modulus in range of 0.8-1.2. The contact lens is transparent and by combination of high oxygen permeability and balance between softness and mechanical properties. The lens is produced through a process including steps of stirring material-liquid including at least three components of the above-mentioned (I), (II) and (III) under stirring power of 5-10000 W/m3 per unit volume of the material-liquid for at least 10 minutes, and injecting stirred material-liquid into a lens mold to polymerize material-liquid.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: March 5, 2019
    Assignee: MENICON CO., LTD.
    Inventors: Eri Ito, Katsuhiro Yamamoto
  • Publication number: 20190049751
    Abstract: A contact lens package includes a silicone hydrogel contact lens, a packaging container composed of a polypropylene, and a packaging solution containing a nonionic surfactant, the nonionic surfactant including a linear alkyl moiety having 12 or more carbon atoms and an oxyethylene moiety, the average addition mole number of oxyethylene being 30 or more per mole of the nonionic surfactant.
    Type: Application
    Filed: September 30, 2015
    Publication date: February 14, 2019
    Applicant: MENICON CO., LTD.
    Inventors: Azusa OBATA, Susumu OGAWA, Masaki BABA
  • Publication number: 20190041664
    Abstract: Provided is an ophthalmic diffractive multi-focal lens with a diffractive structure including a phase profile in which a plurality of blaze shaped zones are set in a concentric circle form, wherein: at least one of the zones serves as an adjustment zone wherein an inclination direction in the phase profile is reversed with respect to that of other zones; and a light intensity level giving a peak or focal point at a position away from three focal points in a light intensity distribution of transmitted light in an optical axis direction is kept low in comparison with a phase profile without the adjustment zone.
    Type: Application
    Filed: February 9, 2016
    Publication date: February 7, 2019
    Applicant: MENICON CO., LTD.
    Inventor: Ichiro ANDO
  • Patent number: 10183452
    Abstract: A contact lens is provided as a hydrate of a copolymer of at least three components including (I) a both terminal-polymerizable silicone oligomer component that forms a hydrophobic region (A) in the copolymer, (II) a hydrophilic component that forms a hydrophilic region (C) in the copolymer, and (III) a hydrophobic monomer component having a molecular weight of at most 700 that forms the hydrophilic region (C) together with the component (II) and also contributes to form an intermediate region (B) which does not solvate with a hydrophilic solvent between the hydrophobic region (A) and hydrophilic region (C), wherein the intermediate region (B) shows a volume rate of 5 to 40% with respect to the region (A) in the copolymer, and the contact lens is transparent and free from bubbles therein.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: January 22, 2019
    Assignee: MENICON CO., LTD.
    Inventors: Eri Ito, Katsuhiro Yamamoto
  • Patent number: 10175504
    Abstract: To provide a contact lens with novel structure that is able to achieve both stability of the lens circumferential position in the worn state and improved wearing comfort at a high level. A first thick part and a second thick part are provided on a peripheral zone at both left and right sides such that each center-of-gravity position of both the first thick part and the second thick part is positioned below a horizontal diametrical line. A third thick part is provided on the peripheral zone below an optical zone. An upper thin part and a lower thin part are provided respectively at an upper peripheral zone positioned above the optical zone and a lower peripheral zone positioned below the optical zone and at an outer circumference side of the third thick part.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: January 8, 2019
    Assignee: MENICON CO., LTD.
    Inventors: Yuji Goto, Yuko Kimura
  • Patent number: 10150202
    Abstract: A small automatic polishing liquid cleaning device for rigid gas permeable contact lens includes a container; a containing chamber is provided inside the container; an exhaust pipe, and a liquid suction pipe, which communicates with the containing chamber disposed on the container; an outlet end of the exhaust pipe communicates with a vacuum orifice of a vacuum generator via a connector, a gas inlet of the vacuum generator communicates with a pipeline for a compressed gas, and a liquid inlet of the liquid suction pipe is disposed at the bottom of a waste liquid trough.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: December 11, 2018
    Assignees: WENZHOU FOCUSEE VISION CARE TECHNOLOGIES CO., LTD., WENZHOU MEDICAL UNIVERISTY, MENICON CO., LTD.
    Inventors: Jun Jiang, Hao Chen, Ying Shi, Atsuhiro Doke, Zhaolin Xia
  • Patent number: 10137218
    Abstract: A disinfection system of a contact lens comprising immersing the contact lens in a disinfecting solution containing hydrogen peroxide in a concentration of 1 to 10% and neutralizing the hydrogen peroxide in the disinfecting solution through contact with a metal catalyst, where the disinfecting solution contains an organic carboxylic acid or a salt of the organic carboxylic acid, the organic carboxylic acid having a structure in which a hydroxyl group and a carboxyl group are bonded to one carbon atom; the disinfecting solution is adjusted to have a pH of 6 to 8; and the disinfecting solution after the neutralization is adjusted to have an osmotic pressure of 250 to 350 mOsm.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: November 27, 2018
    Assignee: MENICON CO., LTD.
    Inventors: Osamu Mori, Yukihiro Kojima
  • Publication number: 20180335646
    Abstract: The purpose of the present invention is to provide novel contact lens manufacturing method and contact lens capable of giving a lens inner surface shape reflecting a cornea shape of a contact lens wearer more easily than before with sufficient accuracy to reflect the cornea shape, thereby improving comfort during use. By using statistical information on a corneal surface shape obtained from a population of target eyes having a feature to be treated, a fitting for a rotationally-symmetric shape is performed based on a definitional equation using a radius of curvature (R) and a conic constant (C.C.) while a fitting for a rotationally-asymmetric shape is performed based on a definitional equation using a Zernike function. A shape of a lens rear surface (20) corresponding to the corneal surface shape specified by these definitional equations is adopted for a rear surface of a peripheral area of a contact lens (10).
    Type: Application
    Filed: July 13, 2018
    Publication date: November 22, 2018
    Applicant: MENICON CO., LTD.
    Inventors: Atsushi KOBAYASHI, Hiroaki SUZUKI
  • Publication number: 20180318464
    Abstract: An intraocular lens material disclosed in the present description includes an aromatic ring-containing acrylate structural unit, an alkoxyalkyl methacrylate structural unit including an alkoxy group having 4 or less carbon atoms, a hydrophilic structural unit based on a hydrophilic monomer, and a cross-linking structural unit based on a cross-linkable monomer.
    Type: Application
    Filed: July 27, 2017
    Publication date: November 8, 2018
    Applicant: MENICON CO., LTD
    Inventors: Yuya SUGANUMA, Hiroko NOMURA, Tatsuya OJIO