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).

  • Publication number: 20240136062
    Abstract: [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: Application
    Filed: September 8, 2021
    Publication date: April 25, 2024
    Inventors: Nobutaka Hattori, Kazuo Yamashiro, Yuji Ueno, Nobukazu Miyamoto, Mika Asari, Kazuto Ono, Takashi Someda, Naoki Kitora, Yoshihiko Iwao, Keiichiro Takahashi
  • Patent number: 9997743
    Abstract: 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: Grant
    Filed: March 3, 2011
    Date of Patent: June 12, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao, Yukihiro Okada
  • Patent number: 9356289
    Abstract: 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: Grant
    Filed: November 12, 2010
    Date of Patent: May 31, 2016
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Patent number: 9332214
    Abstract: 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: Grant
    Filed: October 14, 2009
    Date of Patent: May 3, 2016
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Katsuji Ideura, Kazuhiro Yasuno, Takashi Iwao
  • Patent number: 9302515
    Abstract: 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: Grant
    Filed: September 2, 2014
    Date of Patent: April 5, 2016
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Takashi Iwao, Masaki Noguchi, Tetsuhiro Ishikawa
  • Patent number: 9225008
    Abstract: 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: Grant
    Filed: October 15, 2010
    Date of Patent: December 29, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Patent number: 9209459
    Abstract: 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: Grant
    Filed: October 15, 2010
    Date of Patent: December 8, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Patent number: 9184442
    Abstract: 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: Grant
    Filed: November 12, 2010
    Date of Patent: November 10, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Publication number: 20150109395
    Abstract: 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: Application
    Filed: September 2, 2014
    Publication date: April 23, 2015
    Inventors: Takashi Iwao, Masaki Noguchi, Tetsuhiro Ishikawa
  • Publication number: 20130337305
    Abstract: 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: Application
    Filed: March 3, 2011
    Publication date: December 19, 2013
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao, Yukihiro Okada
  • Publication number: 20130295456
    Abstract: 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: Application
    Filed: November 12, 2010
    Publication date: November 7, 2013
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Publication number: 20130288121
    Abstract: 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: Application
    Filed: November 12, 2010
    Publication date: October 31, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Publication number: 20130224586
    Abstract: 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: Application
    Filed: October 15, 2010
    Publication date: August 29, 2013
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Publication number: 20130209879
    Abstract: 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: Application
    Filed: October 15, 2010
    Publication date: August 15, 2013
    Inventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
  • Patent number: 8329136
    Abstract: 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: Grant
    Filed: December 13, 2006
    Date of Patent: December 11, 2012
    Assignee: Nippon Coke & Engineering Company, Limited
    Inventors: Tatsuo Umeno, Takashi Iwao
  • Patent number: 8245072
    Abstract: 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: Grant
    Filed: November 17, 2008
    Date of Patent: August 14, 2012
    Assignee: Fujitsu Component Limited
    Inventors: Katsuji Ideura, Fujio Seki, Satoshi Sakurai, Kazuhiro Yasuno, Takashi Iwao
  • Publication number: 20100100653
    Abstract: 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: Application
    Filed: October 14, 2009
    Publication date: April 22, 2010
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Katsuji Ideura, Kazuhiro Yasuno, Takashi Iwao
  • Publication number: 20090258298
    Abstract: 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: Application
    Filed: December 13, 2006
    Publication date: October 15, 2009
    Applicant: MITSUI MINING CO., LTD.
    Inventors: Tatsuo Umeno, Takashi Iwao
  • Publication number: 20090128696
    Abstract: 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: Application
    Filed: November 17, 2008
    Publication date: May 21, 2009
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Katsuji Ideura, Fujio Seki, Satoshi Sakurai, Kazuhiro Yasuno, Takashi Iwao