Patents by Inventor Kazumi Mizukami
Kazumi Mizukami 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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Publication number: 20150279531Abstract: A non-oriented electrical steel sheet comprising, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, wherein Expression (1) is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]: [Ti]?0.8×[Bi]+0.002 . . . (1).Type: ApplicationFiled: June 16, 2015Publication date: October 1, 2015Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Masafumi MIYAZAKI, Hideaki YAMAMURA, Takeshi KUBOTA, Yousuke KUROSAKI, Kazuto KAWAKAMI, Kazumi MIZUKAMI, Takeaki WAKISAKA
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Patent number: 9085817Abstract: In a non-oriented electrical steel sheet, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, and so on are contained. (1) expression described below is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]. [Ti]?0.8×[Bi]+0.Type: GrantFiled: May 25, 2010Date of Patent: July 21, 2015Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Masafumi Miyazaki, Hideaki Yamamura, Takeshi Kubota, Yousuke Kurosaki, Kazuto Kawakami, Kazumi Mizukami, Takeaki Wakisaka
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Patent number: 8984876Abstract: A three-dimensional measuring machine (industrial machine) includes an air supplier supplying air; a drive mechanism driven by the air supplied from the air supplier; an electromagnetic valve provided inside an air regulator set to open and close an air supply passage inside the air regulator set, the air regulator set introducing the air from the air supplier to the drive mechanism; and a motion controller controlling the electromagnetic valve to block the air supply passage when a time since the drive mechanism stopped operation reaches a preset time.Type: GrantFiled: September 1, 2011Date of Patent: March 24, 2015Assignee: Mitutoyo CorporationInventors: Mitsuru Fukuda, Kazuaki Kawarai, Kazumi Mizukami, Seiichi Otsubo
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Publication number: 20150052769Abstract: Controller executes a first scanning control, causing a driver to move a probe such that a tip scans along an inclined surface of a V groove to approach a center of the V groove, and a second scanning control, causing the driver to move the probe such that the tip scans along the inclined surface of the V groove to approach the center of the V groove from a side opposite that of the first scanning control. Angle calculator calculates an angle created between a direction of a deflection vector of the probe and a predetermined direction. Threshold value-correspondent coordinate obtainer obtains coordinates of the tip where the angle has changed to exceed a first threshold value during execution of the first scanning control and obtains coordinates of the tip where the angle has changed to exceed a second threshold value during execution of the second scanning control.Type: ApplicationFiled: August 20, 2014Publication date: February 26, 2015Inventors: Takashi NODA, Hiroshi KAMITANI, Kazumi MIZUKAMI
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Patent number: 8676527Abstract: A coordinate measuring machine (industrial machine) includes: a column and a support that extend along the Z-axis; a beam being provided between the column and the support; a slider being movable on the beam; a ram being held on the slider movably along the Z-axis direction; a temperature detecting sensor and a temperature detector that detect the respective temperatures of the column, the support and the ram; and a shift amount calculator that calculates a Z-axis shift amount based on the respective temperatures of the column, the support and the ram, reference position data indicating a positional relationship between the column, the support and the ram at a reference temperature, and respective thermal expansion coefficients for the column, the support and the ram.Type: GrantFiled: July 26, 2011Date of Patent: March 18, 2014Assignee: Mitutoyo CorporationInventors: Noritsugu Ono, Kazuaki Kawarai, Seiichi Otsubo, Hirotada Anzai, Kazumi Mizukami
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Patent number: 8578618Abstract: According to the present invention, a three-dimensional measuring instrument includes a spindle that moves an object to be controlled in a predetermined axis direction; and a controlling device that controls a position of the object to be controlled by controlling a position of the spindle. The three-dimensional measuring instrument further includes an absolute-type linear encoder that outputs an absolute position of the spindle. With this, it is possible to start measurement by the three-dimensional measuring instrument in a short period of time.Type: GrantFiled: July 11, 2011Date of Patent: November 12, 2013Assignee: Mitutoyo CorporationInventors: Takashi Majima, Hideki Kumagai, Kazumi Mizukami, Tomohiro Usui
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Publication number: 20130292006Abstract: A grain-oriented electrical steel sheet being a grain-oriented electrical steel sheet containing Si of 0.8 mass % to 7 mass %, Mn of 0.05 mass % to 1 mass %, B of 0.0005 mass % to 0.0080 mass %, each content of Al, C, N, S, and Se of 0.005 mass % or less, and a balance being composed of Fe and inevitable impurities and having a glass coating film made of composite oxide mainly composed of forsterite on the steel sheet surface, in which when glow discharge optical emission spectrometry (GDS) to the surface of a secondary coating film formed on the surface of the glass coating film under a predetermined condition is performed, a peak, of B, in emission intensity having a peak position in emission intensity different from a peak position, of Mg, in emission intensity is obtained and the peak position, of B, in emission intensity from the steel sheet surface is deeper than the peak position, of Mg, in emission intensity.Type: ApplicationFiled: January 12, 2012Publication date: November 7, 2013Inventors: Fumiaki Takahashi, Yoshiyuki Ushigami, Kazumi Mizukami, Shuichi Nakamura, Norikazu Fujii, Norihiro Yamamoto, Masahide Urago
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Patent number: 8516712Abstract: A three-dimensional measuring machine (measurement device) which supplies a probe having a measurement head able to make contact with a measured object and a contact detection sensor which detects the contact of a measurement head with a measured object and outputs a touch signal; a displacement structure which displaces a probe along three axial directions orthogonal to one another; scale sensors which detect the position coordinates of a probe and output a coordinate detection signal; a control circuit board having an integrated circuit on which are installed a touch counter which counts touch signals and a scale counter which counts coordinate detection signals; and a latch controller which latches a touch counter value and a scale counter value at the same time.Type: GrantFiled: August 26, 2011Date of Patent: August 27, 2013Assignee: Mitutoyo CorporationInventors: Hideki Kumagai, Kazumi Mizukami
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Patent number: 8384897Abstract: A method according to the present invention has: isolating, by extraction, particles contained in a metal material to be analyzed in a solution using a particle isolator; dispersing the particles isolated by extraction into a solvent to prepare a dispersion, and fractionating the dispersion into a plurality of particle dispersions based on particle sizes, using a field flow fractionator; and irradiating laser light on each of the particle dispersions separated based on predetermined particle sizes, to thereby measure absolute values of the particle size based on angular dependence of reflection intensity, and also to thereby measure the number density based on magnitude of reflection intensity.Type: GrantFiled: April 23, 2009Date of Patent: February 26, 2013Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Kazumi Mizukami, Kenichi Murakami, Satoshi Arai, Nobusato Morishige, Yuji Kubo, Hotaka Honma, Eiichi Nanba
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Publication number: 20130000786Abstract: A predetermined steel containing Te: 0.0005 mass % to 0.0050 mass % is heated to 1320° C. or lower to be subjected to hot rolling, and is subjected to annealing, cold rolling, decarburization annealing, and nitridation annealing, and thereby a decarburized nitrided steel sheet is obtained. Further, an annealing separating agent is applied on the surface of the decarburized nitrided steel sheet and finish annealing is performed, and thereby a glass coating film is formed. The N content of the decarburized nitrided steel sheet is set to 0.0150 mass % to 0.0250 mass % and the relationship of 2×[Te]+[N]?0.0300 mass % is set to be established. Note that [Te] represents the Te content and [N] represents the N content.Type: ApplicationFiled: March 15, 2011Publication date: January 3, 2013Inventors: Kenichi Murakami, Chie Hama, Kazumi Mizukami, Yoshiyuki Ushigami, Shuichi Nakamura
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Publication number: 20120067039Abstract: A three-dimensional measuring machine (industrial machine) includes an air supplier supplying air; a drive mechanism driven by the air supplied from the air supplier; an electromagnetic valve provided inside an air regulator set to open and close an air supply passage inside the air regulator set, the air regulator set introducing the air from the air supplier to the drive mechanism; and a motion controller controlling the electromagnetic valve to block the air supply passage when a time since the drive mechanism stopped operation reaches a preset time.Type: ApplicationFiled: September 1, 2011Publication date: March 22, 2012Applicant: MITUTOYO CORPORATIONInventors: Mitsuru FUKUDA, Kazuaki KAWARAI, Kazumi MIZUKAMI, Seiichi OTSUBO
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Publication number: 20120072156Abstract: A method according to the invention includes measuring respective geometric errors that occur in a three-dimensional movement mechanism when different weights are applied to a ram, storing in a storage section respective correction parameters for correcting the respective geometric errors measured for the different weights, inputting weight information of a probe attached to the ram, reading from the storage section one of the correction parameters that corresponds to the inputted weight information, and correcting measurement data with the read correction parameter.Type: ApplicationFiled: September 14, 2011Publication date: March 22, 2012Applicant: MITUTOYO CORPORATIONInventors: Mitsuru Fukuda, Kazumi Mizukami, Masao Suzuki, Takahiro Morosawa
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Publication number: 20120055037Abstract: A three-dimensional measuring machine (measurement device) which supplies a probe having a measurement head able to make contact with a measured object and a contact detection sensor which detects the contact of a measurement head with a measured object and outputs a touch signal; a displacement structure which displaces a probe along three axial directions orthogonal to one another; scale sensors which detect the position coordinates of a probe and output a coordinate detection signal; a control circuit board having an integrated circuit on which are installed a touch counter which counts touch signals and a scale counter which counts coordinate detection signals; and a latch controller which latches a touch counter value and a scale counter value at the same time.Type: ApplicationFiled: August 26, 2011Publication date: March 8, 2012Applicant: MITUTOYO CORPORATIONInventors: Hideki KUMAGAI, Kazumi MIZUKAMI
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Publication number: 20120023765Abstract: According to the present invention, a three-dimensional measuring instrument includes a spindle that moves an object to be controlled in a predetermined axis direction; and a controlling device that controls a position of the object to be controlled by controlling a position of the spindle. The three-dimensional measuring instrument further includes an absolute-type linear encoder that outputs an absolute position of the spindle. With this, it is possible to start measurement by the three-dimensional measuring instrument in a short period of time.Type: ApplicationFiled: July 11, 2011Publication date: February 2, 2012Applicant: MITUTOYO CORPORATIONInventors: Takashi MAJIMA, Hideki KUMAGAI, Kazumi MIZUKAMI, Tomohiro USUI
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Publication number: 20120029857Abstract: A coordinate measuring machine (industrial machine) includes: a column and a support that extend along the Z-axis; a beam being provided between the column and the support; a slider being movable on the beam; a ram being held on the slider movably along the Z-axis direction; a temperature detecting sensor and a temperature detector that detect the respective temperatures of the column, the support and the ram; and a shift amount calculator that calculates a Z-axis shift amount based on the respective temperatures of the column, the support and the ram, reference position data indicating a positional relationship between the column, the support and the ram at a reference temperature, and respective thermal expansion coefficients for the column, the support and the ram.Type: ApplicationFiled: July 26, 2011Publication date: February 2, 2012Applicant: MITUTOYO CORPORATIONInventors: Noritsugu ONO, Kazuaki KAWARAI, Seiichi OTSUBO, Hirotada ANZAI, Kazumi MIZUKAMI
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Publication number: 20120014828Abstract: In a non-oriented electrical steel sheet, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, and so on are contained. (1) expression described below is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]. [Ti]?0.8×[Bi]+0.Type: ApplicationFiled: May 25, 2010Publication date: January 19, 2012Applicant: NIPPON STEEL CORPORATIONInventors: Masafumi Miyazaki, Hideaki Yamamura, Takeshi Kubota, Yousuke Kurosaki, Kazuto Kawakami, Kazumi Mizukami, Takeaki Wakisaki
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Publication number: 20120013430Abstract: A slab having a predetermined composition is heated to 1280° C. or more. The slab is hot-rolled to obtain a hot-rolled steel sheet. The hot-rolled steel sheet is annealed to obtain an annealed steel sheet. The annealed steel sheet is cold-rolled to obtain a cold-rolled steel sheet. The cold-rolled steel sheet is decarburization annealed to obtain a decarburization annealed steel sheet. The decarburization annealed steel sheet is coiled in a coil state. The coil-state decarburization annealed steel sheet is finish-annealed. The cold-rolled steel sheet is heated to a temperature of 800° C. or more at a rate of 30° C./sec or more and 100° C./sec or less during increasing temperature of the cold-rolled steel sheet in the decarburization annealing or before the decarburization annealing. The decarburization annealed steel sheet is heated at a rate of 20° C./h or less within a temperature range of 750° C. or more and 1150° C.Type: ApplicationFiled: March 19, 2010Publication date: January 19, 2012Inventors: Nobusato Morishige, Kenichi Murakami, Hotaka Honma, Yuji Kubo, Kazumi Mizukami, Koki Tanaka, Seiki Takebayashi
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Grain-oriented electrical steel sheet excellent in coating adhesion and method of producing the same
Patent number: 7942982Abstract: Grain-oriented electrical steel sheet excellent in coating adhesion is provided. The steel sheet contains Si: 2 to 7% mass % and has a primary coating composed mainly of forsterite on its surface. A compound (A) containing one or more elements selected from among Ca, Sr and Ba, at least one rare earth metal, and sulfur is incorporated in the primary coating so as to reside in the interface layer between the primary coating and the steel sheet. As a result, occurrence of primary coating exfoliation at regions that are strongly worked during manufacture of a wound core transformer or the like is prevented.Type: GrantFiled: November 15, 2007Date of Patent: May 17, 2011Assignee: Nippon Steel CorporationInventors: Yuji Kubo, Eiichi Nanba, Satoshi Arai, Hotaka Honma, Kazumi Mizukami, Koki Tanaka -
Publication number: 20110045383Abstract: The present invention relates to a fuel cell exhibiting a high performance regardless of the humidification conditions.Type: ApplicationFiled: March 26, 2009Publication date: February 24, 2011Inventors: Kenichiro Tadokoro, Kazumi Mizukami, Takashi Iijima, Hideaki Sawada, Tomohiro Hada
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Publication number: 20110019187Abstract: A method according to the present invention has: isolating, by extraction, particles contained in a metal material to be analyzed in a solution using a particle isolator; dispersing the particles isolated by extraction into a solvent to prepare a dispersion, and fractionating the dispersion into a plurality of particle dispersions based on particle sizes, using a field flow fractionator; and irradiating laser light on each of the particle dispersions separated based on predetermined particle sizes, to thereby measure absolute values of the particle size based on angular dependence of reflection intensity, and also to thereby measure the number density based on magnitude of reflection intensity.Type: ApplicationFiled: April 23, 2009Publication date: January 27, 2011Inventors: Kazumi Mizukami, Kenichi Murakami, Satoshi Arai, Nobusato Morishige, Yuji Kubo, Hotaka Honma, Eiichi Nanba