Patents by Inventor Tomokazu Yoshida

Tomokazu Yoshida 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: 20210402389
    Abstract: A module installation unit is capable of installing a plurality of modules capable of accommodating a plurality of tubes containing a sample. A temperature adjusting unit heats and cools the sample in the tube of each module to the temperature required for nucleic acid amplification. An optical detection unit is used commonly by the plurality of modules installed in the module installation unit and which is capable of detecting the amplified nucleic acid of a sample subjected to nucleic acid amplification of a tube by regulating the temperature via the temperature adjusting unit for each module installed in the module installation unit. A moving unit moves the optical detecting unit and module installation unit relative to each other so as to detect the amplified nucleic acid of the sample in a tube of each of the plurality of modules installed in the module installation unit via the optical detection unit.
    Type: Application
    Filed: June 25, 2021
    Publication date: December 30, 2021
    Applicant: SYSMEX CORPORATION
    Inventors: Tasuku YOTORIYAMA, Tomokazu YOSHIDA, Kaoru ASANO
  • Patent number: 11174430
    Abstract: A fluoride fluorescent material includes a composition including K, Ge, Mn4+, and F and having a molar ratio of K of 2, a total molar ratio of Ge and Mn4+ of 1, a molar ratio of Mn4+ of more than 0 and less than 0.2, and a molar ratio of F of 6 in 1 mol of the composition, has a light emission spectrum having a first light emission peak in a range of 615 nm or more and less than 625 nm having a full width at half maximum of 6 nm or less, and a second light emission peak in a range of 625 nm or more and less than 635 nm, and has an internal quantum of 85% or more efficiency under excitation of light having a wavelength of 450 nm.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: November 16, 2021
    Assignee: NICHIA CORPORATION
    Inventor: Tomokazu Yoshida
  • Patent number: 11142686
    Abstract: Provided are a method of producing an aluminate fluorescent material, an aluminate fluorescent material and a light emitting device. The production method includes heat-treating a mixture prepared by mixing a compound containing at least one alkaline earth metal element selected from the group consisting of Ba, Sr and Ca, a Mg-containing compound not acting as a flux, a Mn-containing compound, an Al-containing compound, a first flux containing at least one alkali metal element selected from the group consisting of Na, K, Rb and Cs, and a Mg-containing second flux to give an aluminate fluorescent material.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: October 12, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Shozo Taketomi, Shoji Hosokawa, Tomokazu Yoshida, Kazuya Nishimata
  • Patent number: 11128252
    Abstract: A motor drive device has an abnormality detection function for a power supply unit between its own device and a power supply, and includes: a forward converter that is inputted AC power from the power supply via the power supply input part, and converts the AC power into DC power; a reverse converter that converts the DC power from the forward converter into AC power; a DC link capacitor provided to a DC link between the forward converter and the reverse converter; a voltage detection part that detects voltage of the DC link capacitor; and an abnormality detection part that obtains a voltage change amount for a predetermined time of the DC link capacitor based on voltage values detected by the voltage detection part, and performs abnormality detection on the power supply input part based on the voltage change amount thus obtained.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: September 21, 2021
    Assignee: FANUC CORPORATION
    Inventor: Tomokazu Yoshida
  • Publication number: 20210267732
    Abstract: Provided is an interdental cleaning tool that is not too soft and is unlikely to break during use. An interdental cleaning tool according to the present invention includes: a cleaning tool body that is made of a synthetic resin, and includes a grip portion that is capable of being gripped with fingers of a user and a shaft portion that extends in one direction from the grip portion; and a cleaning portion configured to clean between teeth, covering a leading end of the shaft portion, and made of an elastomer, wherein Y>?0.07X+3.3 is satisfied, where Y is a maximum torque value (N·cm) when the grip portion is rotated at a rotational speed of 10 rpm about a position located 15 mm away from a leading end of the cleaning portion, and X is a rotational angle (degrees) when the maximum torque value is measured.
    Type: Application
    Filed: May 16, 2019
    Publication date: September 2, 2021
    Applicant: KOBAYASHI PHARMACEUTICAL CO., LTD.
    Inventors: Tasuku KIKKAWA, Yuji SAIKI, Tomokazu YOSHIDA
  • Patent number: 11041118
    Abstract: The present invention provides a method for producing a fluoride fluorescent material, comprising: contacting a fluoride particles represented by the following general formula (I): K2[M1?aMn4+aF6]??(I) wherein M is at least one member selected from the group consisting of elements belonging to Groups 4 and 14 of the Periodic Table, and a satisfies the relationship: 0<a<0.2; with a solution containing alkaline earth metal ions in the presence of a reducing agent to form an alkaline earth metal fluoride and less than tetravalent manganese ions on the surface of the fluoride particles.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: June 22, 2021
    Assignee: NICHIA CORPORATION
    Inventor: Tomokazu Yoshida
  • Patent number: 11034888
    Abstract: Provided are an aluminate fluorescent material, a light emitting device, and a method for producing an aluminate fluorescent material. The aluminate fluorescent material, having an aluminate composition containing: at least one alkaline earth metal element selected from the group consisting of Ba, Sr, and Ca; Mn; and optionally Eu and/or Mg, wherein the fluorine content in the aluminate fluorescent material is 100 ppm or more and 7,000 ppm or less, and the average particle diameter of the aluminate fluorescent material, which is measured according to a Fisher Sub-Sieve Sizer method, is 8 ?m or more.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: June 15, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Kazuya Nishimata, Tomokazu Yoshida, Shoji Hosokawa
  • Patent number: 11028320
    Abstract: Provided is an aluminate fluorescent material having a high emission intensity and having a composition containing a first element that contains one or more of Ba and Sr, and a second element that contains Mg and Mn. In the composition, when a molar ratio of Al is 10, a total molar ratio of the first element is a parameter a, a total molar ratio of the second element is a parameter b, a molar ratio of Sr is a product of a parameter m and the parameter a, a molar ratio of Mn is a product of a parameter n and the parameter b. The parameters a and b satisfy 0.5<b<a?0.5b+0.5<1.0, the parameter m satisfies 0?m?1.0, and the parameter n satisfies 0.4?n?0.7.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: June 8, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Tomokazu Yoshida, Kazuya Nishimata, Shoji Hosokawa
  • Patent number: 11008511
    Abstract: Disclosed are a method of producing an aluminate fluorescent material, such an aluminate fluorescent material, and a light emitting device.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: May 18, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Kazuya Nishimata, Tomokazu Yoshida, Shoji Hosokawa
  • Patent number: 11004590
    Abstract: A core body of a reactor includes an outer peripheral iron core composed of a plurality of outer peripheral iron core portions, at least three iron cores coupled to the plurality of outer peripheral iron core portions, and coils wound onto the at least three iron cores. Gaps, which can be magnetically coupled, are formed between one of the at least three iron cores and another iron core adjacent thereto. The reactor includes cover parts which at least partially cover the iron cores and provide insulation from the coils.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: May 11, 2021
    Assignee: Fanuc Corporation
    Inventors: Tomokazu Yoshida, Masatomo Shirouzu, Kenichi Tsukada
  • Publication number: 20210098170
    Abstract: A reactor includes an outer peripheral iron core, at least three iron cores, and a coil wound around the iron core. The reactor further includes an energizing portion connected to the coil and configured to be connected to a cable, and a cover provided to cover the energizing portion. At least one cutout formed in the cover is provided with at least one adjustment member configured to adjust an area of the cutout at least partially in the cover. The adjustment member is configured to be cut away from the cutout or to be bent with respect to a surface where the cutout is formed.
    Type: Application
    Filed: July 8, 2020
    Publication date: April 1, 2021
    Applicant: Fanuc Corporation
    Inventor: Tomokazu Yoshida
  • Patent number: 10937587
    Abstract: A reactor includes an outer peripheral iron core composed of a plurality of outer peripheral iron core portions and at least three iron core coils arranged inside the outer peripheral iron core. The at least three iron core coils are composed of iron cores coupled to the plurality of outer peripheral iron core portions and coils wound onto the iron cores. Gaps, which can be magnetically coupled, are formed between adjacent iron cores. The reactor further includes connection parts for connecting the plurality of outer peripheral iron core portions to each other.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: March 2, 2021
    Assignee: Fanuc Corporation
    Inventors: Kenichi Tsukada, Masatomo Shirouzu, Tomokazu Yoshida
  • Patent number: 10910832
    Abstract: A converter apparatus includes: an AC/DC converter; a DC link capacitor connected to the converter; a voltage detection unit detecting the DC link voltage; a switching unit connecting or disconnecting between a power supply and the converter; a switching operation unit detecting an abnormality in a motor drive device including the converter apparatus and an inverter, and control the switching unit; a power supply monitoring unit detecting a voltage inputted to the converter to monitor a connection state between the power supply and the converter; a threshold value setting unit setting a threshold value to determine the presence or absence of a short circuit failure; and a short circuit failure detection unit determining that a short circuit failure has occurred, when the voltage of the DC link capacitor, immediately after the power supply is disconnected from the converter, is equal to or less than the threshold value.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: February 2, 2021
    Assignee: Fanuc Corporation
    Inventor: Tomokazu Yoshida
  • Patent number: 10903401
    Abstract: Provided is a light-emitting device including a light-emitting element having a peak emission wavelength in a range of from 400 nm to 470 nm, and a fluorescent member including a first fluorescent material including an aluminate that contains Mg, Mn, and at least one alkali earth metal selected from the group consisting of Ba, Sr, and Ca, a second fluorescent material having a different composition from the first fluorescent material, and a third fluorescent material. The first, second and third fluorescent materials have a peak emission wavelength in a range of from 510 nm to 525 nm, from 510 nm to 550 nm, and from 620 nm to 670 nm, respectively.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 26, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Shoji Hosokawa, Kazuya Nishimata, Tomokazu Yoshida
  • Publication number: 20210005375
    Abstract: A core main body includes an outer peripheral iron core, and at least three iron cores. Between the two iron cores adjacent to each other, a gap being magnetically couplable is formed. The outer peripheral iron core includes a first outer peripheral iron core block and a second outer peripheral iron core block that are formed by stacking a plurality of magnetic plates, and an intermediate plate disposed therebetween. The intermediate plate includes an outer peripheral iron core corresponding portion corresponding to the outer peripheral iron core, a plurality of protruding sections protruding from an outer peripheral surface of the outer peripheral iron core, and engaging sections provided on the plurality of protruding sections.
    Type: Application
    Filed: June 23, 2020
    Publication date: January 7, 2021
    Applicant: Fanuc Corporation
    Inventor: Tomokazu Yoshida
  • Publication number: 20200357562
    Abstract: Provided is a reactor having a core main body that includes an outer peripheral iron core, at least three iron cores, and coils. Between the iron cores adjacent to each other, a gap being magnetically coupled is formed. The reactor includes a fixture that fixes both end portions of the at least three iron cores together by passing through an interior of the outer peripheral iron core in a region between the outer peripheral iron core and the gap. The fixture includes plate-like members disposed on both end faces of the core main body and includes rod-like members that connect the plate-like members to each other by passing through the interior of the outer peripheral iron core. The plate-like members each include a protrusion extending axially inward of the core main body.
    Type: Application
    Filed: April 2, 2020
    Publication date: November 12, 2020
    Applicant: Fanuc Corporation
    Inventors: Kenichi Tsukada, Tomokazu Yoshida
  • Patent number: 10829688
    Abstract: Disclosed are an aluminate fluorescent material having a high light emission intensity, and a light emitting device using the same. The aluminate fluorescent material includes a composition represented by the following formula (I). X1pEutMgqMnrAlsOp+t+q+r+1.5s??(I) wherein X1 represents at least one element selected from the group consisting of Ba, Sr, and Ca; and p, q, r, s, and t each satisfy 0.5?p?1.0, 0?q<0.6, 0.4<r?0.7, 8.5?s?13.0, 0<t<0.3, 0.5<p+t?1.2, and 0.4<q+r?1.1.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: November 10, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Kazuya Nishimata, Tomokazu Yoshida, Shoji Hosokawa
  • Patent number: 10818423
    Abstract: A reactor according to an embodiment of the present disclosure includes a core body. The core body includes a peripheral iron core composed of a plurality of peripheral iron core portions, at least three iron cores coupled to the peripheral iron core portions, and coils wound on the iron cores. Gaps are formed between one of the iron cores and another iron core adjacent thereto, so as to be magnetically connectable through the gaps. The reactor further includes a plurality of covering portions each for covering each of the coils. The covering portions adjacent in a circumferential direction can be fitted to each other.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: October 27, 2020
    Assignee: Fanuc Corporation
    Inventors: Tomokazu Yoshida, Masatomo Shirouzu, Kenichi Tsukada
  • Publication number: 20200332187
    Abstract: Provided is a fluoride fluorescent material having high luminance. The fluoride fluorescent material has a composition containing Mn, A that is at least one element or ion selected from the group consisting of alkali metal elements and NH4+, at least one element M selected from the group consisting of Group-4 elements and Group-14 elements, and F; and contains spherical fluoride particles.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 22, 2020
    Applicant: NICHIA CORPORATION
    Inventor: Tomokazu YOSHIDA
  • Publication number: 20200318004
    Abstract: Disclosed are a method of producing an aluminate fluorescent material, such an aluminate fluorescent material, and a light emitting device.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Kazuya NISHIMATA, Tomokazu YOSHIDA, Shoji HOSOKAWA