Patents by Inventor Tadashi Kaga

Tadashi Kaga 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: 20230314525
    Abstract: A battery state measurement system includes a server device configured to analyze a state of a battery. The service device includes a communication unit configured to receive a plurality of pieces of characteristic data indicating characteristics associated with change of the battery state based on physical quantity data indicating a physical quantity associated with the battery state and a diagnosis unit configured to analyze a deterioration state of the battery on the basis of the plurality of pieces of characteristic data.
    Type: Application
    Filed: March 1, 2023
    Publication date: October 5, 2023
    Inventors: Tadashi Kaga, Yuki Tominaga, Mao Hori, Naoya Aida
  • Publication number: 20230314523
    Abstract: A resistance calculation device includes: a characteristic calculation portion configured to calculate a shrinkage rate for each single electrode based on a capacity shift amount of a positive electrode of a deteriorated secondary battery, a capacity shift amount of a negative electrode of the deteriorated secondary battery, a deterioration amount of the positive electrode, and a deterioration amount of the negative electrode, and to calculate a curve representing characteristics of a state of charge and an open circuit voltage of an equivalent circuit of the deteriorated secondary battery by deforming an opening end potential curve for each single electrode before deterioration of the deteriorated secondary battery by the shrinkage rate for each single electrode based on a fixed point; a change amount calculation portion configured to calculate an amount of change in the open circuit voltage of the equivalent circuit based on a difference between the opening end potential curve for each single electrode befo
    Type: Application
    Filed: March 16, 2023
    Publication date: October 5, 2023
    Inventors: Kaoru Omichi, Yurika Nishimoto, Tadashi Kaga
  • Publication number: 20230314526
    Abstract: An availability determination apparatus includes: a characteristic calculation portion that calculates a curve representing characteristics of a charging state and an open circuit voltage of a deteriorated secondary battery; a low-load determination portion that determines a use availability of the deteriorated secondary battery at a low load time based on a result of comparison between a first threshold value and a first capacity determined by an upper limit voltage and a lower limit voltage of the deteriorated secondary battery based on the curve representing the characteristics of the charging state and the open circuit voltage of the deteriorated secondary battery; and a high-load determination portion that calculates an upper limit voltage and a lower limit voltage of the deteriorated secondary battery after correction based on the curve representing the characteristics of the charging state and the open circuit voltage of the deteriorated secondary battery after correction, and determines a use availabi
    Type: Application
    Filed: March 16, 2023
    Publication date: October 5, 2023
    Inventors: Kaoru Omichi, Tadashi Kaga
  • Publication number: 20230318339
    Abstract: A pulse extraction device that can finely divide a waveform representing the charge amount (SOC) is provided. A pulse extraction device includes a pulse extraction part configured to extract a pulse based on a change point at which an increase or decrease changes in time series data of a charge amount of a secondary battery.
    Type: Application
    Filed: February 23, 2023
    Publication date: October 5, 2023
    Inventors: Yurika Nishimoto, Tadashi Kaga, Naoya Aida, Yuki Tominaga, Hikaru Arai
  • Publication number: 20230288486
    Abstract: A measurement device of a negative electrode SEI formation amount of a lithium ion battery includes a charge/discharge controller configured to perform charge/discharge control of the lithium ion battery, a voltage measurement part configured to measure a discharge voltage of the lithium ion battery, a current measurement part configured to measure a discharge current of the lithium ion battery, a discharge time measurement part configured to measure a discharge time of the lithium ion battery, a storage configured to store measurement results of the voltage measurement part, the current measurement part and the discharge time measurement part, and a calculation part configured to calculate a negative electrode SEI formation amount of the lithium ion battery.
    Type: Application
    Filed: February 22, 2023
    Publication date: September 14, 2023
    Inventors: Tadashi Kaga, Yuki Tominaga, Mao Hori
  • Publication number: 20230114677
    Abstract: A progressive power lens and a technique associated therewith, wherein CF and AxF are achieved in a distance portion and CN and AxN are achieved in a near portion in a state in which: a basic progressive surface on which no astigmatic power is set in the distance portion, the near portion, and an intermediate portion; a curvature distribution of a set ? (k1?, k2?) of two principal curvatures having different sizes that is uniformly added to the distance portion, the near portion, and the intermediate portion, and that achieves CF and AxF in the distance portion; and a curvature distribution of a set ? (k1?, k2?) of two principal curvatures having different sizes that is different from the curvature distribution of the set ?, and in which an absolute value (lk1?-k2?l) of a principal curvature difference increases in a predetermined direction, are combined.
    Type: Application
    Filed: January 12, 2021
    Publication date: April 13, 2023
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Tadashi KAGA
  • Patent number: 11428954
    Abstract: A designing method of a pair of spectacle lenses, which includes a right-eye spectacle lens and a left-eye spectacle lens, includes a process of designing the pair of spectacle lenses; a power error (unit: diopter (D)) that compensates for a difference between a response of accommodation of a right eye and a response of accommodation of a left eye of a wearer, wherein a response of accommodation (unit: diopter (D)) of each eye is a difference AC (=applied accommodation ACN?applied accommodation ACF) between an applied accommodation ACF of the eye of the wearer exhibited when the wearer views an object at a distance f and an applied accommodation ACN of the eye of the wearer exhibited when viewing an object at a distance n shorter than the distance f.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: August 30, 2022
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Ayumu Ito, Toshiaki Sonehara, Tadashi Kaga
  • Publication number: 20220214563
    Abstract: A spectacle lens design system capable of suppressing deformation during finishing processing.
    Type: Application
    Filed: August 21, 2020
    Publication date: July 7, 2022
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Shinichiro TAGUCHI, Takao TANAKA, Keima SAKATA, Tadashi KAGA
  • Publication number: 20220206319
    Abstract: A method for designing a progressive addition lens and the related technology, the lens including a near portion for viewing a near distance, a distance portion for viewing a farther distance, and an intermediate portion between the near and distance portions and having a progressive refraction function, wherein transmission astigmatism is added to the near and intermediate portions out of the distance portion, the near portion, and the intermediate portion, the method including a mode selection step of determining, according to a prescription power, whether to select an AS-oriented mode wherein the amount of transmission astigmatism to be added is set so the amount of horizontal refractive power is larger than the vertical refractive power, or select a PW-oriented mode in which the amount of transmission astigmatism to be added is set so the amount of vertical refractive power is larger than the horizontal refractive power.
    Type: Application
    Filed: September 1, 2020
    Publication date: June 30, 2022
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Tadashi KAGA
  • Publication number: 20210356764
    Abstract: A design system of a progressive addition lens including a near portion for viewing a near distance, a distance portion for viewing a distance farther than the near distance, and an intermediate portion provided between the near portion and the distance portion and having a progressive refraction function, the design system of a progressive addition lens includes an aberration amount setting unit that sets an amount of transmission astigmatism ??[D] added to a progressive addition lens in such a way that when a wearer of the progressive addition lens ? to which transmission astigmatism of an aberration amount ??[D] is added is provided with the progressive addition lens ? having different parameters, visual performance when the progressive addition lens ? is worn approaches visual performance when the progressive addition lens ? is worn.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 18, 2021
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Tadashi KAGA
  • Publication number: 20210356765
    Abstract: A progressive addition lens and the related technology, the progressive addition lens including a near portion for viewing a near distance, a distance portion for viewing a distance farther than the near distance, and an intermediate portion between the near portion and the distance portion and having a progressive refraction function, in which the transmission astigmatism is added to the near portion and the intermediate portion of the distance portion, the near portion, and the intermediate portion, and in the near portion and the intermediate portion to which the transmission astigmatism is added, the progressive addition lens further includes a portion where an amount of horizontal refractive power is greater than an amount of vertical refractive power after subtracting the refractive power for astigmatism correction.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 18, 2021
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Hiroshi ASAMI, Yasunori IZAWA, Tadashi KAGA
  • Publication number: 20210341758
    Abstract: A progressive addition lens and the related technology, the progressive addition lens including: a near portion for viewing a near distance, a distance portion for viewing a distance farther than the near distance, and an intermediate portion between the near portion and the distance portion and having a progressive refraction function, in which the transmission astigmatism is added to the near portion and the intermediate portion of the distance portion, the near portion, and the intermediate portion, and in the near portion and the intermediate portion to which the transmission astigmatism is added, after subtracting the refractive power for astigmatism correction, the progressive addition lens further includes a portion where the amount of vertical refractive power is greater than the amount of horizontal refractive power.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 4, 2021
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Hiroshi ASAMI, Yasunori IZAWA, Tadashi KAGA
  • Publication number: 20200249499
    Abstract: A designing method of a pair of spectacle lenses, which includes a right-eye spectacle lens and a left-eye spectacle lens, includes a process of designing the pair of spectacle lenses; a power error (unit: diopter (D)) that compensates for a difference between a response of accommodation of a right eye and a response of accommodation of a left eye of a wearer, wherein a response of accommodation (unit: diopter (D)) of each eye is a difference AC (=applied accommodation ACN?applied accommodation ACF) between an applied accommodation ACF of the eye of the wearer exhibited when the wearer views an object at a distance f and an applied accommodation ACN of the eye of the wearer exhibited when viewing an object at a distance n shorter than the distance f.
    Type: Application
    Filed: March 26, 2019
    Publication date: August 6, 2020
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Ayumu ITO, Toshiaki SONEHARA, Tadashi KAGA
  • Patent number: 10642070
    Abstract: Progressive addition lens includes a near portion having a power for viewing a near field, a distance portion having a power for viewing a distance field further than the near field, and an intermediate portion connecting the distance portion and the near portion. The progressive addition lens includes an aspherical object-side surface and an aspherical eyeball-side surface and is formed in rotational symmetry with respect to a center of design of the progressive addition lens. The object-side surface includes a first stable region formed in rotational symmetry with respect to the center of design and including the center of design, and an aspherical region arranged outside of the first stable region to contact the first stable region and formed in rotational symmetry with respect to the center of design. A Peak to Valley value of a mean surface refractive power in the first stable region is 0.12 D or less.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: May 5, 2020
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Tadashi Kaga, Toshihide Shinohara, Ayumu Ito, Hiroshi Asami
  • Patent number: 10578888
    Abstract: A technology concerning a pair of spectacle lenses for binocular vision. In each of the pair of spectacle lenses for binocular vision, when an inner horizontal direction of each of the spectacle lenses is a direction toward the nose of a user who wears the spectacle lenses, and an outer horizontal direction of the spectacle lenses is a direction toward an ear of the user, a portion for viewing an object at finite distance is provided in each of the pair of spectacle lenses for binocular vision and a shape of a base in prism is formed in the position such that a line of sight of a user viewing an object through the portion is directed to a direction that is different from a direction from the object.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: March 3, 2020
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Tadashi Kaga, Ayumu Ito, Kazuma Kozu
  • Patent number: 10578887
    Abstract: A pair of spectacle lenses for binocular vision. In each of the pair of spectacle lenses for binocular vision, when an inner horizontal direction of each of the spectacle lenses is a direction toward the nose of a user who wears the spectacle lenses, and an outer horizontal direction of each of the spectacle lenses is a direction toward an ear of the user, a portion for viewing an object at finite distance is provided and a shape of a base out prism is formed in the position such that a line of sight of a user viewing an object through the portion is directed to a direction that is different from a direction from the object.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: March 3, 2020
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Tadashi Kaga, Ayumu Ito, Kazuma Kozu
  • Patent number: 10401650
    Abstract: A technology concerns a spectacle lens to suppress unnecessary convergence. In the spectacle lens, when an inner horizontal direction of the spectacle lens is a direction toward the nose of a user who wears the spectacle lens, and an outer horizontal direction of the spectacle lens is a direction toward an ear of the user, a shape of a base in prism is formed in a portion in which power continuously changes and through which a main line of sight, influenced by convergence of the user of the spectacle lens, passes such that at least a part of a base out prism, which may be generated in the portion, is cancelled.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: September 3, 2019
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Tadashi Kaga, Ayumu Ito, Kazuma Kozu
  • Patent number: 10288903
    Abstract: A progressive addition lens includes a portion having a power for viewing a near field, a portion having a power for viewing a distance field further than the near field, and an portion connecting the distance portion and the near portion. The progressive addition lens includes an aspherical object-side surface and an aspherical eyeball-side surface and is formed in rotational symmetry with respect to a center of design of the progressive addition lens. The object-side surface includes a first stable region formed in rotational symmetry with respect to the center of design and including the center of design, and an aspherical region arranged outside of the first stable region to contact the first stable region and formed in rotational symmetry with respect to the center of design. A PV value (Peak to Valley) of a mean surface refractive power in the first stable region is 0.12 D or less.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: May 14, 2019
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Tadashi Kaga, Toshihide Shinohara, Ayumu Ito, Hiroshi Asami
  • Publication number: 20180004010
    Abstract: A technology concerning a pair of spectacle lenses for binocular vision. In each of the pair of spectacle lenses for binocular vision, when an inner horizontal direction of each of the spectacle lenses is a direction toward the nose of a user who wears the spectacle lenses, and an outer horizontal direction of the spectacle lenses is a direction toward an ear of the user, a portion for viewing an object at finite distance is provided in each of the pair of spectacle lenses for binocular vision and a shape of a base in prism is formed in the position such that a line of sight of a user viewing an object through the portion is directed to a direction that is different from a direction from the object.
    Type: Application
    Filed: December 28, 2015
    Publication date: January 4, 2018
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Tadashi KAGA, Ayumu ITO, Kazuma KOZU
  • Publication number: 20170371181
    Abstract: A pair of spectacle lenses for binocular vision. In each of the pair of spectacle lenses for binocular vision, when an inner horizontal direction of each of the spectacle lenses is a direction toward the nose of a user who wears the spectacle lenses, and an outer horizontal direction of each of the spectacle lenses is a direction toward an ear of the user, a portion for viewing an object at finite distance is provided and a shape of a base out prism is formed in the position such that a line of sight of a user viewing an object through the portion is directed to a direction that is different from a direction from the object.
    Type: Application
    Filed: December 28, 2015
    Publication date: December 28, 2017
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Tadashi KAGA, Ayumu ITO, Kazuma KOZU