Patents by Inventor Tetsuya Kaneko
Tetsuya Kaneko 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: 10304486Abstract: The magnetic tape device includes: a magnetic tape; and a reproducing head, in which the reproducing head is a magnetic head including a tunnel magnetoresistance effect type element as a reproducing element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, and logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050.Type: GrantFiled: December 20, 2017Date of Patent: May 28, 2019Assignee: FUJIFILM CorporationInventors: Norihito Kasada, Eiki Ozawa, Tetsuya Kaneko
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Publication number: 20190130936Abstract: The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, and a coefficient of friction measured regarding a base portion of a surface of the magnetic layer is equal to or smaller than 0.30.Type: ApplicationFiled: December 26, 2018Publication date: May 2, 2019Applicant: FUJIFILM CorporationInventors: Tetsuya KANEKO, Norihito KASADA, Eiki OZAWA
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Patent number: 10261072Abstract: Disclosed is a sample analyzer for analyzing a sample, including: a preparing unit that mixes a sample, a surfactant-containing diluent, and a nucleic acid staining reagent to prepare a measurement specimen in which nucleic acids of nucleated cells are stained and red blood cells are hemolyzed; a detecting unit that irradiates particles included in the measurement specimen with light to receive scattered light and fluorescence light emitted from the particles and output a detection signal; and a processing unit that counts white blood cells and fungi in the sample based on the detection signal.Type: GrantFiled: August 25, 2015Date of Patent: April 16, 2019Assignee: SYSMEX CORPORATIONInventors: Shota Tateyama, Tetsuya Kaneko
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Patent number: 10236025Abstract: Provided are an evaluation method of a magnetic tape, in which the magnetic tape which is an evaluation target includes a magnetic layer including a servo pattern, the method including: reading the servo pattern by a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element; measuring electric resistance of the tunnel magnetoresistance effect type element after the reading; and determining quality of the magnetic tape by using a degree of a decrease in the measured electric resistance from a reference value as an index, and a manufacturing method of a magnetic tape including: evaluating the magnetic tape including a servo pattern in a magnetic layer by the evaluation method.Type: GrantFiled: December 26, 2017Date of Patent: March 19, 2019Assignee: FUJIFILM CorporationInventors: Tetsuya Kaneko, Norihito Kasada, Eiki Ozawa
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Publication number: 20180350400Abstract: The magnetic tape includes a magnetic layer having ferromagnetic powder and a binder on a non-magnetic support, in which the magnetic layer includes a timing-based servo pattern, the ferromagnetic powder is ferromagnetic hexagonal ferrite powder having an activation volume equal to or smaller than 1,600 nm3, and an edge shape of the timing-based servo pattern specified by a magnetic force microscope observation is a shape in which a difference (l99.9?l0.1) between a value l99.9 of a cumulative frequency function of 99.9% of a position deviation width from an ideal shape in a longitudinal direction of the magnetic tape and a value l0.1 of the cumulative frequency function of 0.1% thereof is equal to or smaller than 180 nm.Type: ApplicationFiled: August 10, 2018Publication date: December 6, 2018Applicant: FUJIFILM CorporationInventors: Tetsuya KANEKO, Norihito KASADA, Eiki OZAWA
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Patent number: 10074393Abstract: The magnetic tape includes a magnetic layer having ferromagnetic powder and a binder on a non-magnetic support, in which the magnetic layer includes a timing-based servo pattern, the ferromagnetic powder is ferromagnetic hexagonal ferrite powder having an activation volume equal to or smaller than 1,600 nm3, and an edge shape of the timing-based servo pattern specified by a magnetic force microscope observation is a shape in which a difference (l99.9?l0.1) between a value l99.9 of a cumulative frequency function of 99.9% of a position deviation width from an ideal shape in a longitudinal direction of the magnetic tape and a value l0.1 of the cumulative frequency function of 0.1% thereof is equal to or smaller than 180 nm.Type: GrantFiled: June 7, 2017Date of Patent: September 11, 2018Assignee: FUJIFILM CorporationInventors: Tetsuya Kaneko, Norihito Kasada, Eiki Ozawa
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Publication number: 20180182428Abstract: The magnetic tape device includes: a magnetic tape; and a reproducing head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the reproducing head is a magnetic head including a tunnel magnetoresistance effect type element as a reproducing element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, and a coefficient of friction measured regarding a base portion of a surface of the magnetic layer is equal to or smaller than 0.30.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Norihito KASADA, Eiki OZAWA, Tetsuya KANEKO
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Publication number: 20180182417Abstract: The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, and a coefficient of friction measured regarding a base portion of a surface of the magnetic layer is equal to or smaller than 0.30.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Tetsuya KANEKO, Norihito KASADA, Eiki OZAWA
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Publication number: 20180182429Abstract: The magnetic tape device includes: a magnetic tape; and a reproducing head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the reproducing head is a magnetic head including a tunnel magnetoresistance effect type element as a reproducing element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes one or more components selected from the group consisting of fatty acid and fatty acid amide, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Norihito KASADA, Eiki OZAWA, Tetsuya KANEKO
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Publication number: 20180182425Abstract: The magnetic tape device includes: a magnetic tape; and a reproducing head, in which the reproducing head is a magnetic head including a tunnel magnetoresistance effect type element as a reproducing element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, and logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050.Type: ApplicationFiled: December 20, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Norihito KASADA, Eiki OZAWA, Tetsuya KANEKO
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Publication number: 20180182427Abstract: The magnetic tape device includes: a magnetic tape; and a reproducing head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the reproducing head is a magnetic head including a tunnel magnetoresistance effect type element as a reproducing element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic hexagonal ferrite powder, non-magnetic powder, and a binding agent on the non-magnetic support, and a tilt cos ? of the ferromagnetic hexagonal ferrite powder with respect to a surface of the magnetic layer acquired by cross section observation performed by using a scanning transmission electron microscope is 0.85 to 0.95.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Norihito KASADA, Eiki OZAWA, Tetsuya KANEKO
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Publication number: 20180182420Abstract: Provided are an evaluation method of a magnetic tape, in which the magnetic tape which is an evaluation target includes a magnetic layer including a servo pattern, the method including: reading the servo pattern by a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element; measuring electric resistance of the tunnel magnetoresistance effect type element after the reading; and determining quality of the magnetic tape by using a degree of a decrease in the measured electric resistance from a reference value as an index, and a manufacturing method of a magnetic tape including: evaluating the magnetic tape including a servo pattern in a magnetic layer by the evaluation method.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Tetsuya KANEKO, Norihito KASADA, Eiki OZAWA
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Publication number: 20180182431Abstract: The magnetic tape device includes: a magnetic tape; and a servo head, in which the servo head is a TMR head, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder, a binding agent, and fatty acid ester on the non-magnetic support, the magnetic layer includes a servo pattern, full widths at half maximum of spacing distribution measured by optical interferometry regarding a surface of the magnetic layer before and after performing a vacuum heating with respect to the magnetic tape are greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between a spacing measured by optical interferometry regarding the surface of the magnetic layer after performing the vacuum heating with respect to the magnetic tape and a spacing measured before performing the vacuum heating is greater than 0 nm and equal to or smaller than 9.0 nm.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Eiki OZAWA, Tetsuya KANEKO, Norihito KASADA
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Publication number: 20180182430Abstract: The magnetic tape device includes: a magnetic tape; and a reproducing head, in which the reproducing head is a TMR head, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder, a binding agent, and fatty acid ester on the non-magnetic support, a full width at half maximum of spacing distribution measured by optical interferometry regarding a surface of the magnetic layer before performing a vacuum heating with respect to the magnetic tape is greater than 0 nm and equal to or smaller than 7.0 nm, a full width at half maximum of spacing distribution measured after performing the vacuum heating is greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between a spacing measured by optical interferometry regarding the surface of the magnetic layer after performing the vacuum heating with respect to the magnetic tape and a spacing measured before performing the vacuum heating is greater than 0 nm and equal to or smaller than 9.0 nm.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Eiki OZAWA, Tetsuya KANEKO, Norihito KASADA
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Publication number: 20180182426Abstract: The a magnetic tape device includes: a magnetic tape; and a reproducing head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the reproducing head is a magnetic head including a tunnel magnetoresistance effect type element as a reproducing element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, and a contact angle with respect to 1-bromonaphthalene measured regarding a surface of the magnetic layer is 48.0° to 53.0°.Type: ApplicationFiled: December 26, 2017Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Eiki OZAWA, Tetsuya KANEKO, Norihito KASADA
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Patent number: 10008230Abstract: The magnetic tape device includes: a magnetic tape; and a servo head, in which the servo head is a TMR head, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder, a binding agent, and fatty acid ester on the non-magnetic support, the magnetic layer includes a servo pattern, full widths at half maximum of spacing distribution measured by optical interferometry regarding a surface of the magnetic layer before and after performing a vacuum heating with respect to the magnetic tape are greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between a spacing measured by optical interferometry regarding the surface of the magnetic layer after performing the vacuum heating with respect to the magnetic tape and a spacing measured before performing the vacuum heating is greater than 0 nm and equal to or smaller than 9.0 nm.Type: GrantFiled: December 26, 2017Date of Patent: June 26, 2018Assignee: FUJIFILM CorporationInventors: Eiki Ozawa, Tetsuya Kaneko, Norihito Kasada
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Patent number: 9984716Abstract: The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the servo head is a TMR head, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, the magnetic layer includes one or more components selected from the group consisting of fatty acid and fatty acid amide, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on a surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.Type: GrantFiled: December 26, 2017Date of Patent: May 29, 2018Assignee: FUJIFILM CorporationInventors: Tetsuya Kaneko, Norihito Kasada, Eiki Ozawa
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Patent number: 9984712Abstract: The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, and a contact angle with respect to 1-bromonaphthalene measured regarding a surface of the magnetic layer is 48.0° to 53.0°.Type: GrantFiled: December 26, 2017Date of Patent: May 29, 2018Assignee: FUJIFILM CorporationInventors: Eiki Ozawa, Tetsuya Kaneko, Norihito Kasada
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Patent number: 9978414Abstract: The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic hexagonal ferrite powder, non-magnetic powder, and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, and a tilt cos ? of the ferromagnetic hexagonal ferrite powder with respect to a surface of the magnetic layer acquired by cross section observation performed by using a scanning transmission electron microscope is 0.85 to 0.95.Type: GrantFiled: December 26, 2017Date of Patent: May 22, 2018Assignee: FUJIFILM CorporationInventors: Tetsuya Kaneko, Norihito Kasada, Eiki Ozawa
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Publication number: 20180138487Abstract: A battery pack includes a plurality of unit cells, each including an electrode body having a structure in which a positive electrode and a negative electrode are stacked, and a busbar that electrically connects a positive electrode terminal to a negative electrode terminal between the unit cells. The unit cells are stacked adjacent to one another in the same direction as a direction in which the positive electrode and the negative electrode of the electrode body are stacked. The busbar electrically connects the unit cells disposed apart from each other among the unit cells excluding the unit cells disposed adjacent to each other.Type: ApplicationFiled: November 10, 2017Publication date: May 17, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masato KAMIYA, Masaru ISHII, Takayuki HOJO, Tetsuya KANEKO