Patents by Inventor Satoko MORI
Satoko MORI 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).
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Patent number: 11152145Abstract: Soft magnetic metal powder which includes a plurality of soft magnetic metal particles configured by a Fe-based nanocrystal alloy including Cu is provided, wherein the soft magnetic metal particles have core portions and first shell portions surrounding circumferences of the core portions; when an average crystallite size of Cu crystallites existing in the core portions is set as A, and the largest crystallite size of Cu crystallites existing in the first shell portions is set as B, B/A is 3.0 or more and 1000 or less.Type: GrantFiled: March 8, 2019Date of Patent: October 19, 2021Assignee: TDK CORPORATIONInventors: Takuma Nakano, Kazuhiro Yoshidome, Hiroyuki Matsumoto, Satoko Mori, Seigo Tokoro, Kenji Horino
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Publication number: 20210301377Abstract: The present invention provides a soft magnetic alloy having good soft magnetic properties. The soft magnetic alloy includes nanocrystals having an average Heywood diameter value of 5.0 nm or more and 25.0 nm or less, in which an average circularity of the nanocrystals is 0.50 or more and 0.90 or less.Type: ApplicationFiled: March 23, 2021Publication date: September 30, 2021Applicant: TDK CORPORATIONInventors: Kazuhiro YOSHIDOME, Satoko MORI, Hiroyuki MATSUMOTO
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Publication number: 20210062308Abstract: Provided is a soft magnetic alloy having a composition of a compositional formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e))PaCbSicCudMe. X1 is one or more selected from a group consisting of Co and Ni, X2 is one or more selected from a group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, 0, and rare earth elements, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Ti, Mo, W and V. 0.050?a?0.17, 0<b<0.050, 0.030<c?0.10, 0<d?0.020, 0?e?0.030, ??0, ??0, and 0??+??0.50.Type: ApplicationFiled: May 17, 2018Publication date: March 4, 2021Applicant: TDK CORPORATIONInventors: Akihiro HARADA, Hiroyuki MATSUMOTO, Kenji HORINO, Kazuhiro YOSHIDOME, Akito HASEGAWA, Hajime AMANO, Kensuke ARA, Seigo TOKORO, Masakazu HOSONO, Takuma NAKANO, Satoko MORI
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Publication number: 20210035720Abstract: Provided is a soft magnetic metal powder including a plurality of soft magnetic metal particles. Each of the soft magnetic metal particles includes a metal particle and an oxidized part covering the metal particle. The metal particle includes at least Fe. The oxidized part includes at least one kind of element of S and an element M. The element M is at least one kind of element selected from the group consisting of Nb, Ta, W, Zr, Hf, and Cr. A unit of a concentration of each of S and the element M in the metal particle and the oxidized part is atom %. The concentration of S or the element M in the metal particle and the oxidized part has a maximum value in the oxidized part.Type: ApplicationFiled: July 27, 2020Publication date: February 4, 2021Applicant: TDK CorporationInventors: Satoko MORI, Kazuhiro YOSHIDOME, Akito HASEGAWA, Hiroyuki MATSUMOTO
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Publication number: 20210035719Abstract: Provided is a soft magnetic metal powder including a plurality of soft magnetic metal particles. Each of the soft magnetic metal particles includes a metal particle and an oxidized part covering the metal particle. The metal particle includes at least Fe. The oxidized part includes an oxide of at least one kind of element selected from the group consisting of Fe, Si, and B, and at least one kind of element of Ca and Mg. A concentration of Ca or Mg in the metal particle and the oxidized part is maximum in the oxidized part. An average value of a maximum value of the concentration of Ca or Mg in the oxidized part is 0.2 atom % or more.Type: ApplicationFiled: July 27, 2020Publication date: February 4, 2021Applicant: TDK CorporationInventors: Satoko MORI, Kazuhiro YOSHIDOME, Hiroyuki MATSUMOTO
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Publication number: 20200306831Abstract: A soft magnetic metal powder that has low coercivity Hcj and high saturation magnetic flux density Bs, and has high powder resistivity and high insulating performance is obtained. The soft magnetic metal powder is soft magnetic metal powder containing Fe. The soft magnetic metal powder has particles each including a soft magnetic metal portion and a coating portion coating the soft magnetic metal portion. The coating portion includes a first coating portion and a second coating portion. The first coating portion is closer to the soft magnetic metal portion than the second coating portion. The first coating portion and the second coating portion have oxides containing at least one element selected from Si, Fe, and B as a main component. The first coating portion includes amorphous material, the second coating portion includes crystals, and the second coating portion has a higher crystal content ratio than the first coating portion.Type: ApplicationFiled: March 25, 2020Publication date: October 1, 2020Applicant: TDK CORPORATIONInventors: Satoko MORI, Kazuhiro YOSHIDOME, Hiroyuki MATSUMOTO
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Patent number: 10495557Abstract: A hardness tester includes a measurer (CPU) measuring a value for a material characteristic of a sample in conjunction with formation of an indentation, an acquirer (CPU) acquiring measurement data associated with the value for the material characteristic of the sample measured by the measurer, and a determiner (CPU) accumulating a predetermined value for the material characteristic based on the measurement data acquired by the acquirer and determining a time to replace the indenter based on the accumulated value for the material characteristic.Type: GrantFiled: January 12, 2018Date of Patent: December 3, 2019Assignee: MITUTOYO CORPORATIONInventors: Masaharu Tsujii, Satoko Mori, Takayuki Yamada
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Publication number: 20190355498Abstract: Disclosed is a soft magnetic powder including a main component represented by composition formula: (Fe(1-(?+?))X1?X2?)(1-(a+b+c+d+e+f))MaBbPcSidCeSf. X1 represents one or more selected from the group consisting of Co and Ni; X2 represents one or more selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, and rare earth elements; and M represents one or more selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W, Ti, and V. The following relations are satisfied: 0?a?0.140; 0.020<b?0.200; 0<c?0.150; 0?d?0.060; 0?e?0.030; 0?f?0.010; ??0; ??0; and 0??+??0.50. An oxygen content ratio in the soft magnetic powder is from 300 ppm to 3,000 ppm as a mass ratio.Type: ApplicationFiled: May 16, 2019Publication date: November 21, 2019Applicant: TDK CORPORATIONInventors: Kazuhiro YOSHIDOME, Hiroyuki MATSUMOTO, Kenji HORINO, Satoko MORI, Masakazu HOSONO, Yoshiki KAJIURA
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Publication number: 20190279797Abstract: Soft magnetic metal powder which includes a plurality of soft magnetic metal particles configured by a Fe-based nanocrystal alloy including Cu is provided, wherein the soft magnetic metal particles have core portions and first shell portions surrounding circumferences of the core portions; when an average crystallite size of Cu crystallites existing in the core portions is set as A, and the largest crystallite size of Cu crystallites existing in the first shell portions is set as B, B/A is 3.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Applicant: TDK CORPORATIONInventors: Takuma NAKANO, Kazuhiro YOSHIDOME, Hiroyuki MATSUMOTO, Satoko MORI, Seigo TOKORO, Kenji HORINO
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Publication number: 20190279798Abstract: A soft magnetic metal powder comprising soft magnetic metal particles including Fe, wherein a surface of the soft magnetic metal particle is covered by a coating part having an insulation property, and the coating part includes a soft magnetic metal fine particle.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Applicant: TDK CORPORATIONInventors: Satoko MORI, Hiroyuki MATSUMOTO, Kenji HORINO, Kazuhiro YOSHIDOME, Takuma NAKANO, Seigo TOKORO, Shota OTSUKA, Toru UJIIE, Kentaro MORI
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Publication number: 20190279802Abstract: A soft magnetic metal powder having soft magnetic metal particles including Fe, wherein a surface of the soft magnetic metal particle is covered by a coating part, the coating part has a first coating part and a second coating part in this order from the surface of the soft magnetic metal particle towards outside, the first coating part includes oxides of Fe as a main component, the second coating part includes a compound of at least one element selected from the group consisting of P, Si, Bi, and Zn, and a ratio of trivalent Fe atom among Fe atoms of oxides of Fe included in the first coating part is 50% or more.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Applicant: TDK CorporationInventors: Kazuhiro YOSHIDOME, Hiroyuki Matsumoto, Kenji Horino, Satoko Mori, Takuma Nakano, Seigo Tokoro, Shota Otsuka, Toru Ujiie, Kentaro Mori
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Publication number: 20190279801Abstract: A soft magnetic metal powder having soft magnetic metal particles, wherein a surface of the soft magnetic metal particle is covered by a coating part, the coating part has a first coating part, a second coating part, and a third coating part in this order from the surface of the soft magnetic metal particle towards outside, the first coating part includes oxides of Si as a main component, the second coating part includes oxides of Fe as a main component, and the third coating part includes a compound of at least one element selected from the group consisting of P, Si, Bi, and Zn.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Applicant: TDK CORPORATIONInventors: Kazuhiro YOSHIDOME, Hiroyuki MATSUMOTO, Kenji HORINO, Satoko MORI, Takuma NAKANO, Seigo TOKORO, Shota OTSUKA, Toru UJIIE, Kentaro MORI
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Publication number: 20190108931Abstract: A soft magnetic alloy contains a main component having a composition formula of (Fe(1?(???))X1?X2?)1?(a+b+c+d))MaBbPcCd and auxiliary components including at least Ti, Mn and Al. In the composition formula, X1 is one or more selected from the group consisting of Co and Ni, X2 is one or more selected from the group consisting of Ag, Zn, Sn, As, Sb, Bi and a rare earth element, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W and V. In the composition formula, 0.030?a?0.100, 0.050?b?0.150, 0?c?0.030, 0?d?0.030, ??0, ??0, and 0??+??0.50 are satisfied. In the soft magnetic alloy, a content of Ti is 0.001 to 0.100 wt %, a content of Mn is 0.001 to 0.150 wt %, and a content of Al is 0.001 to 0.100 wt %.Type: ApplicationFiled: September 28, 2018Publication date: April 11, 2019Applicant: TDK CORPORATIONInventors: Akihiro HARADA, Hiroyuki MATSUMOTO, Kenji HORINO, Kazuhiro YOSHIDOME, Akito HASEGAWA, Hajime AMANO, Kensuke ARA, Seigo TOKORO, Masakazu HOSONO, Takuma NAKANO, Satoko MORI
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Publication number: 20180217040Abstract: A hardness tester includes a measurer (CPU) measuring a value for a material characteristic of a sample in conjunction with formation of an indentation, an acquirer (CPU) acquiring measurement data associated with the value for the material characteristic of the sample measured by the measurer, and a determiner (CPU) accumulating a predetermined value for the material characteristic based on the measurement data acquired by the acquirer and determining a time to replace the indenter based on the accumulated value for the material characteristic.Type: ApplicationFiled: January 12, 2018Publication date: August 2, 2018Applicant: MITUTOYO CORPORATIONInventors: Masaharu TSUJII, Satoko MORI, Takayuki YAMADA
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Publication number: 20170102305Abstract: A hardness tester loads a predetermined test force on an indenter and presses into a surface of a sample to form an indentation. The indenter includes an indenter memory storing indenter information specific to the indenter. The indenter is detachably mounted to an indenter shaft. A CPU acquires, from the indenter memory, the indenter information of the indenter mounted to the indenter shaft, and uses the acquired indenter information to perform a predetermined operation and calculate hardness.Type: ApplicationFiled: September 30, 2016Publication date: April 13, 2017Applicant: MITUTOYO CORPORATIONInventors: Masaharu TSUJII, Satoko MORI, Takayuki YAMADA
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Patent number: 9354042Abstract: A coordinate measuring system includes a probe provided with first to ninth infrared LEDs, and an image capture apparatus and calculation controller detecting the position of the probe. The probe includes a distance obtainer acquiring distance data for a distance from the probe to the image capture apparatus; and an illumination controller controlling an illumination time of the first to ninth infrared LEDs based on the distance represented by the distance data.Type: GrantFiled: April 30, 2015Date of Patent: May 31, 2016Assignee: MITUTOYO CORPORATIONInventors: Masaharu Tsujii, Satoko Mori
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Patent number: 9341554Abstract: A hardness tester has a test force applier generating a test force using an electromagnetic force generated by supplying a current to a drive coil provided in a magnetic field and applies the test force to an indenter to press the indenter into a surface of a sample; a temperature detector detecting a temperature of the test force applier; and a test force corrector correcting the test force generated from the test force applier based on the temperature detected by the temperature detector.Type: GrantFiled: February 28, 2014Date of Patent: May 17, 2016Assignee: MITUTOYO CORPORATIONInventors: Masaharu Tsujii, Satoko Mori
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Publication number: 20150323308Abstract: A coordinate measuring system includes a probe provided with first to ninth infrared LEDs, and an image capture apparatus and calculation controller detecting the position of the probe. The probe includes a distance obtainer acquiring distance data for a distance from the probe to the image capture apparatus; and an illumination controller controlling an illumination time of the first to ninth infrared LEDs based on the distance represented by the distance data.Type: ApplicationFiled: April 30, 2015Publication date: November 12, 2015Applicant: MITUTOYO CORPORATIONInventors: Masaharu TSUJII, Satoko MORI
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Publication number: 20140250989Abstract: A hardness tester has a test force applier generating a test force using an electromagnetic force generated by supplying a current to a drive coil provided in a magnetic field and applies the test force to an indenter to press the indenter into a surface of a sample; a temperature detector detecting a temperature of the test force applier; and a test force corrector correcting the test force generated from the test force applier based on the temperature detected by the temperature detector.Type: ApplicationFiled: February 28, 2014Publication date: September 11, 2014Applicant: MITUTOYO CORPORATIONInventors: Masaharu TSUJII, Satoko MORI