Patents by Inventor Takashi Iwao
Takashi Iwao 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: 20240136062Abstract: [Problems] Provision of a system for assisting diagnosis/treatment of stroke which can easily provide supportive information so that the type of stroke can be determined appropriately and corresponding treatment strategy can be implemented. [Solutions] When the device for assisting diagnosis/treatment of stroke 101 acquires information of CT images, DWI, ADCmap, and MRA images indicating state of stroke from the device for providing information about state of stroke 103, it uses the acquired information of images and the information about laboratory findings to determine the type of stroke in a unit of stroke type determiner trained to use the predetermined information of images and the predetermined information about laboratory findings to determine the type of stroke corresponding thereto.Type: ApplicationFiled: September 8, 2021Publication date: April 25, 2024Inventors: Nobutaka Hattori, Kazuo Yamashiro, Yuji Ueno, Nobukazu Miyamoto, Mika Asari, Kazuto Ono, Takashi Someda, Naoki Kitora, Yoshihiko Iwao, Keiichiro Takahashi
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Patent number: 9997743Abstract: It is an object of the present invention to provide a nonaqueous electrolyte secondary battery with superior high-temperature charge-discharge cycle characteristics as well as superior low-temperature high-rate charge-discharge cycle characteristics. A nonaqueous electrolyte secondary battery 100 according to the present invention has an electrode body 80 which includes a positive electrode and a negative electrode, and a battery case 50 which houses the electrode body 80 together with a nonaqueous electrolyte, wherein among the nonaqueous electrolyte housed in the battery case 50, an electrolyte amount ratio (A/B) between a surplus electrolyte amount (A) that exists outside the electrode body 80 and an intra-electrode body electrolyte amount (B) impregnating the electrode body 80 ranges from 0.05 to 0.2, and DBP absorption of a positive electrode active material that constitutes the positive electrode is equal to or higher than 30 (ml/100 g).Type: GrantFiled: March 3, 2011Date of Patent: June 12, 2018Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao, Yukihiro Okada
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Patent number: 9356289Abstract: A secondary battery 100 includes: a positive electrode mixture layer 223 containing a positive electrode active material 610 and an electrically conductive material 620; a positive electrode current collector 221 on which the positive electrode mixture layer 223 is coated; a negative electrode mixture layer 243 containing a negative electrode active material 710; and a negative electrode current collector 241 on which the negative electrode mixture layer 243 is coated, wherein a porosity A1 of the positive electrode mixture layer 223 satisfies 0.30?A1 and, at the same time, a porosity A2 of the negative electrode mixture layer 243 satisfies 0.30?A2.Type: GrantFiled: November 12, 2010Date of Patent: May 31, 2016Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Patent number: 9332214Abstract: A video signal adjustment system that is capable of being connected between a server and a console includes: a server unit that is connected to the server; a main unit that is connected to the server unit, and includes a first adjustment portion that adjusts gain and frequency characteristic of a video signal output from the server; and a console unit that is connected between the main unit and the console, and includes a second adjustment portion that adjusts gain, frequency characteristic, and delay of the video signal output from the main unit.Type: GrantFiled: October 14, 2009Date of Patent: May 3, 2016Assignee: FUJITSU COMPONENT LIMITEDInventors: Katsuji Ideura, Kazuhiro Yasuno, Takashi Iwao
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Patent number: 9302515Abstract: A printer includes a print head configured to print on recording paper, and a printer main body having a case in which the recording paper is set. The case includes a upper case part and a lower case part, and a size of the case is changeable by changing positions at which the upper case part and the lower case part are connected to each other.Type: GrantFiled: September 2, 2014Date of Patent: April 5, 2016Assignee: FUJITSU COMPONENT LIMITEDInventors: Takashi Iwao, Masaki Noguchi, Tetsuhiro Ishikawa
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Patent number: 9225008Abstract: A porosity X of a positive electrode mixture layer 223 of a secondary battery 100 is 30(%)?X. A mass ratio ? of a positive electrode active material 610 in the positive electrode mixture layer 223 is 0.84???0.925 and a mass ratio ? of a conductive material 620 in the positive electrode mixture layer 223 is 0.06???0.12. In the secondary battery 100, an index Y worked out from an expression below is 30 (mL/100 g)?Y?89 (mL/100 g). The index Y is given by the expression below, Y=A×?+B×?; where A is a DBP absorption number (mL/100 g) in the positive electrode active material 610; ? is the mass ratio of the positive electrode active material 610 in the positive electrode mixture layer 223; B is a DBP absorption number (mL/100 g) of the conductive material 620; and ? is the mass ratio of the conductive material 620 in the positive electrode mixture layer 223.Type: GrantFiled: October 15, 2010Date of Patent: December 29, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Patent number: 9209459Abstract: A secondary battery 100 includes a positive electrode current collector 221 and a positive electrode mixture layer 223 which is coated over the positive electrode current collector 221. The positive electrode mixture layer 223 includes a positive electrode active material 610, an electrically conductive material 620, and a binder 630. In addition, the positive electrode active material 610 has secondary particles 910 formed by an aggregation of a plurality of primary particles of a lithium transition metal oxide, a hollow portion 920 formed in the secondary particle 910, and through holes 930 penetrating the secondary particles 910 so as to connect the hollow portion 920 and the outside. A ratio (Vbc/Va) of an inner volume Vbc of holes formed inside the positive electrode mixture layer 223 to an apparent volume Va of the positive electrode mixture layer 223 satisfies 0.25?(Vbc/Va).Type: GrantFiled: October 15, 2010Date of Patent: December 8, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Patent number: 9184442Abstract: A secondary battery 100 includes a positive electrode current collector 221 and a positive electrode mixture layer 223 coated on the positive electrode current collector 221. The positive electrode mixture layer 223 includes a positive electrode active material 610 and an electrically conductive material 620. A ratio (Vb/Va) of a volume Vb of holes formed inside the positive electrode mixture layer 223 to an apparent volume Va of the positive electrode mixture layer 223 satisfies 0.30?(Vb/Va). In addition, in a micropore distribution of differential micropore volume with respect to a micropore diameter as measured by the mercury intrusion method, the positive electrode mixture layer 223 has a first peak at which a micropore diameter D1 satisfies D1?0.25 ?m and a second peak at which a micropore diameter D2 is greater than the first peak micropore diameter D1.Type: GrantFiled: November 12, 2010Date of Patent: November 10, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Publication number: 20150109395Abstract: A printer includes a print head configured to print on recording paper, and a printer main body having a case in which the recording paper is set. The case includes a upper case part and a lower case part, and a size of the case is changeable by changing positions at which the upper case part and the lower case part are connected to each other.Type: ApplicationFiled: September 2, 2014Publication date: April 23, 2015Inventors: Takashi Iwao, Masaki Noguchi, Tetsuhiro Ishikawa
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Publication number: 20130337305Abstract: It is an object of the present invention to provide a nonaqueous electrolyte secondary battery with superior high-temperature charge-discharge cycle characteristics as well as superior low-temperature high-rate charge-discharge cycle characteristics. A nonaqueous electrolyte secondary battery 100 according to the present invention has an electrode body 80 which includes a positive electrode and a negative electrode, and a battery case 50 which houses the electrode body 80 together with a nonaqueous electrolyte, wherein among the nonaqueous electrolyte housed in the battery case 50, an electrolyte amount ratio (A/B) between a surplus electrolyte amount (A) that exists outside the electrode body 80 and an intra-electrode body electrolyte amount (B) impregnating the electrode body 80 ranges from 0.05 to 0.2, and DBP absorption of a positive electrode active material that constitutes the positive electrode is equal to or higher than 30 (ml/100 g).Type: ApplicationFiled: March 3, 2011Publication date: December 19, 2013Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao, Yukihiro Okada
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Publication number: 20130295456Abstract: A secondary battery 100 includes a positive electrode current collector 221 and a positive electrode mixture layer 223 coated on the positive electrode current collector 221. The positive electrode mixture layer 223 includes a positive electrode active material 610 and an electrically conductive material 620. A ratio (Vb/Va) of a volume Vb of holes formed inside the positive electrode mixture layer 223 to an apparent volume Va of the positive electrode mixture layer 223 satisfies 0.30?(Vb/Va). In addition, in a micropore distribution of differential micropore volume with respect to a micropore diameter as measured by the mercury intrusion method, the positive electrode mixture layer 223 has a first peak at which a micropore diameter D1 satisfies D1?0.25 ?m and a second peak at which a micropore diameter D2 is greater than the first peak micropore diameter D1.Type: ApplicationFiled: November 12, 2010Publication date: November 7, 2013Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Publication number: 20130288121Abstract: A secondary battery 100 includes: a positive electrode mixture layer 223 containing a positive electrode active material 610 and an electrically conductive material 620; a positive electrode current collector 221 on which the positive electrode mixture layer 223 is coated; a negative electrode mixture layer 243 containing a negative electrode active material 710; and a negative electrode current collector 241 on which the negative electrode mixture layer 243 is coated, wherein a porosity A1 of the positive electrode mixture layer 223 satisfies 0.30?A1 and, at the same time, a porosity A2 of the negative electrode mixture layer 243 satisfies 0.30?A2.Type: ApplicationFiled: November 12, 2010Publication date: October 31, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Publication number: 20130224586Abstract: A porosity X of a positive electrode mixture layer 223 of a secondary battery 100 is 30(%)?X. A mass ratio ? of a positive electrode active material 610 in the positive electrode mixture layer 223 is 0.84???0.925 and a mass ratio ? of a conductive material 620 in the positive electrode mixture layer 223 is 0.06???0.12. In the secondary battery 100, an index Y worked out from an expression below is 30 (mL/100 g)?Y?89 (mL/100 g). The index Y is given by the expression below, Y=A×?+B×?; where A is a DBP absorption number (mL/100 g) in the positive electrode active material 610; ? is the mass ratio of the positive electrode active material 610 in the positive electrode mixture layer 223; B is a DBP absorption number (mL/100 g) of the conductive material 620; and ? is the mass ratio of the conductive material 620 in the positive electrode mixture layer 223.Type: ApplicationFiled: October 15, 2010Publication date: August 29, 2013Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Publication number: 20130209879Abstract: A secondary battery 100 includes a positive electrode current collector 221 and a positive electrode mixture layer 223 which is coated over the positive electrode current collector 221. The positive electrode mixture layer 223 includes a positive electrode active material 610, an electrically conductive material 620, and a binder 630. In addition, the positive electrode active material 610 has secondary particles 910 formed by an aggregation of a plurality of primary particles of a lithium transition metal oxide, a hollow portion 920 formed in the secondary particle 910, and through holes 930 penetrating the secondary particles 910 so as to connect the hollow portion 920 and the outside. A ratio (Vbc/Va) of an inner volume Vbc of holes formed inside the positive electrode mixture layer 223 to an apparent volume Va of the positive electrode mixture layer 223 satisfies 0.25?(Vbc/Va).Type: ApplicationFiled: October 15, 2010Publication date: August 15, 2013Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Patent number: 8329136Abstract: The present invention relates to a graphite particle and a carbon-graphite composite particle both suitable for use in electrode for lithium ion secondary battery, as well as to processes for producing these particles. The graphite particle of the present invention has an average particle diameter of 5 to 50 ?m, wherein one or more recesses having a depth of 0.1 to 10 ?m are formed in the surface. The graphite particle is produced by a mixing step for mixing raw material graphite particles and recess-forming particles, a press molding step for press-molding the mixture composed of the raw material graphite particles and the recess-forming particles to obtain a molded article, a pulverization step for pulverizing the molded article, and a separation step for separating and removing the recess-forming particles from the pulverized molded article.Type: GrantFiled: December 13, 2006Date of Patent: December 11, 2012Assignee: Nippon Coke & Engineering Company, LimitedInventors: Tatsuo Umeno, Takashi Iwao
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Patent number: 8245072Abstract: A signal transmission system includes a transmitting device and a receiving device. The transmitting device includes a superimposition portion that superimposes at least one synchronizing signal on at least one video signal among a plurality of video signals, and outputs the synchronizing signal and the video signal as a superimposition signal to a receiving device. The receiving device includes a separation portion that separates the superimposition signal into the synchronizing signal and the video signal, a first adjustment portion that adjusts an amount of delay of the separated video signal to another video signal, and a second adjustment portion that adjusts an amount of delay of the separated synchronizing signal.Type: GrantFiled: November 17, 2008Date of Patent: August 14, 2012Assignee: Fujitsu Component LimitedInventors: Katsuji Ideura, Fujio Seki, Satoshi Sakurai, Kazuhiro Yasuno, Takashi Iwao
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Publication number: 20100100653Abstract: A video signal adjustment system that is capable of being connected between a server and a console includes: a server unit that is connected to the server; a main unit that is connected to the server unit, and includes a first adjustment portion that adjusts gain and frequency characteristic of a video signal output from the server; and a console unit that is connected between the main unit and the console, and includes a second adjustment portion that adjusts gain, frequency characteristic, and delay of the video signal output from the main unit.Type: ApplicationFiled: October 14, 2009Publication date: April 22, 2010Applicant: FUJITSU COMPONENT LIMITEDInventors: Katsuji Ideura, Kazuhiro Yasuno, Takashi Iwao
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Publication number: 20090258298Abstract: The present invention relates to a graphite particle and a carbon-graphite composite particle both suitable for use in electrode for lithium ion secondary battery, as well as to processes for producing these particles. The graphite particle of the present invention has an average particle diameter of 5 to 50 ?m, wherein one or more recesses having a depth of 0.1 to 10 ?m are formed in the surface. The graphite particle is produced by a mixing step for mixing raw material graphite particles and recess-forming particles, a press molding step for press-molding the mixture composed of the raw material graphite particles and the recess-forming particles to obtain a molded article, a pulverization step for pulverizing the molded article, and a separation step for separating and removing the recess-forming particles from the pulverized molded article.Type: ApplicationFiled: December 13, 2006Publication date: October 15, 2009Applicant: MITSUI MINING CO., LTD.Inventors: Tatsuo Umeno, Takashi Iwao
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Publication number: 20090128696Abstract: A signal transmission system includes a transmitting device and a receiving device. The transmitting device includes a superimposition portion that superimposes at least one synchronizing signal on at least one video signal among a plurality of video signals, and outputs the synchronizing signal and the video signal as a superimposition signal to a receiving device. The receiving device includes a separation portion that separates the superimposition signal into the synchronizing signal and the video signal, a first adjustment portion that adjusts an amount of delay of the separated video signal to another video signal, and a second adjustment portion that adjusts an amount of delay of the separated synchronizing signal.Type: ApplicationFiled: November 17, 2008Publication date: May 21, 2009Applicant: FUJITSU COMPONENT LIMITEDInventors: Katsuji Ideura, Fujio Seki, Satoshi Sakurai, Kazuhiro Yasuno, Takashi Iwao