Patents by Inventor Eiji Seki

Eiji Seki 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: 20240150366
    Abstract: [Problem] A compound useful as an active ingredient of a pharmaceutical composition for treating pancreatic cancer is provided. [Solution] The present inventors have studied about a compound that is useful as an active ingredient of a pharmaceutical composition for treating pancreatic cancer and have found that a 4-aminoquinazoline compound has an excellent G12D mutant KRAS inhibition activity and can be used as a therapeutic agent for pancreatic cancer, thus completing the present invention. The 4-aminoquinazoline compound of the present invention or a salt thereof can be used as a therapeutic agent for pancreatic cancer.
    Type: Application
    Filed: February 14, 2022
    Publication date: May 9, 2024
    Inventors: Kenichi KAWAGUCHI, Kazuyuki KURAMOTO, Tomoyoshi IMAIZUMI, Takahiro MORIKAWA, Mitsuaki OKUMURA, Sunao IMADA, Eiji KAWAMINAMI, Ryo SATO, Yohei SEKI, Hisao HAMAGUCHI, Hiroki ISHIOKA, Hiroki FUKUDOME, Ikumi KURIWAKI, Takeyuki NAGASHIMA
  • Patent number: 11372883
    Abstract: A method for calculating a size of a processing unit in a system, the system being configured to perform a reflection process that includes reflecting information on an operation performed in a row-type database on a column-type database in a predetermined processing unit, the method includes: executing a first calculation process for calculating a reference value based on processing costs of multi-version concurrency control performed in the processing unit by the database management system and information on processing costs of a process of converting the information on the operation performed in the row-type database into a form of the column-type database after the reflection process is executed in a previous time; and executing a second calculation process for calculating a size of a processing unit based on the reference value calculated by the first calculation process and information on a deviation of the number of valid rows.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: June 28, 2022
    Assignee: FUJITSU LIMITED
    Inventor: Eiji Seki
  • Patent number: 10984005
    Abstract: A database search apparatus includes a processor that receives a search query including first keys. The processor calculates a first score based on statistical information. The first score represents search performance of searching a first database in accordance with the search query. The first database stores a data group including combinations of a key and a value of the key. The statistical information includes information regarding each key included in the data group. The processor calculates a second score based on the statistical information. The second score represents search performance of searching a second database different from the first database in accordance with the search query, the second database storing the data group. The processor selects the first database or the second database based on the first score and the second score. The processor instructs the selected database to performing a search in accordance with the search query.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: April 20, 2021
    Assignee: FUJITSU LIMITED
    Inventor: Eiji Seki
  • Patent number: 10929387
    Abstract: An update reflection apparatus includes a memory and a processor coupled to the memory. The processor is configured to accumulate first information relating to first records in a write buffer of a row-type. The first records are to update a database of an append-only type. The database is in a column-format. The processor is configured to convert a second record of the first records to a column format. The second record satisfies a specific condition. The processor is configured to append the converted second record to the database.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: February 23, 2021
    Assignee: FUJITSU LIMITED
    Inventor: Eiji Seki
  • Publication number: 20200014062
    Abstract: Provided is a battery cell sheet and a secondary battery that can prevent a variation in an electrolyte composition due to volatilization and do not cause a decrease in battery performance even in a case where a component with high volatility is used.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 9, 2020
    Inventors: Yusuke KAGA, Motoyuki HIROOKA, Etsuko NISHIMURA, Eiji SEKI, Shimpei AMASAKI
  • Publication number: 20190228018
    Abstract: A method for calculating a size of a processing unit in a system, the system being configured to perform a reflection process that includes reflecting information on an operation performed in a row-type database on a column-type database in a predetermined processing unit, the method includes: executing a first calculation process for calculating a reference value based on processing costs of multi-version concurrency control performed in the processing unit by the database management system and information on processing costs of a process of converting the information on the operation performed in the row-type database into a form of the column-type database after the reflection process is executed in a previous time; and executing a second calculation process for calculating a size of a processing unit based on the reference value calculated by the first calculation process and information on a deviation of the number of valid rows.
    Type: Application
    Filed: April 3, 2019
    Publication date: July 25, 2019
    Applicant: FUJITSU LIMITED
    Inventor: Eiji Seki
  • Patent number: 10347908
    Abstract: A lithium ion secondary battery having a negative electrode includes a negative electrode active material containing at least one of two material of silicon and a silicon compound and carbon, a weight mixing ratio of at least one of two material of the silicon and the silicon compound and the carbon is 20:80 to 50:50, when D90 of particles of at least one of two material of the silicon and the silicon compound is x, D50 of particles of the carbon is y, and the weight mixing ratio of the carbon is z, y??1.17x+0.45z is satisfied, the x is between 2 ?m and 10 ?m, the y is between 10 ?m and 23 ?m, and the z is between 50% and 80% by weight, and a coefficient of expansion when the negative electrode is fully charged is 110% or more and 140% or less.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: July 9, 2019
    Assignee: HITACHI, LTD.
    Inventors: Seogchul Shin, Naoki Kimura, Eiji Seki
  • Publication number: 20180358612
    Abstract: A lithium ion secondary battery that can inhibit an electrolytic solution in the lithium ion secondary battery using a negative electrode active material containing Si from decomposing, improve cycle characteristics, and obtain both a high energy density and a longer service life. A lithium ion secondary battery contains a negative electrode, a positive electrode, a separator installed between the negative and positive electrodes, and an electrolytic solution; the electrolytic solution contains fluoroethylene carbonate; the negative electrode has a negative electrode active material having particles containing silicon and particles containing carbon and a film being formed over a surface of the negative electrode active material and containing fluorine; and a surface area of the particles containing silicon and a content of fluorine contained in the film satisfy the following Formula 1: 0.005 g/m2?(Fluorine content (g) contained in film)/(Surface area (m2) of particles containing silicon)?0.015 g/m2.
    Type: Application
    Filed: October 31, 2016
    Publication date: December 13, 2018
    Applicant: HITACHI, LTD.
    Inventors: Eiji SEKI, Naoki KIMURA, Seogchul SHIN
  • Publication number: 20180358611
    Abstract: Provided is a secondary cell excellent in cycle characteristics. The secondary cell includes a positive electrode 5, a negative electrode 6, and an electrolytic solution. A positive electrode mixture of the positive electrode 5 contains LiOH, LiaNibCocAdBeO2 which is a positive electrode active material (a, b, c, d, and e satisfy 1.0?a?1.1, 0.45?b?0.90, 0.05?c+d?0.55, and 0?e?0.006, “A” contains at least one of Mn and Al, and “B” contains at least one of Al, Mg, Mo, Ti, W and Zr), and an oxide. The oxide contains at least one of aluminum oxide, magnesium oxide, molybdenum oxide, titanium oxide, tungsten oxide, and zirconium oxide.
    Type: Application
    Filed: December 2, 2016
    Publication date: December 13, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Naoki KIMURA, Eiji SEKI
  • Publication number: 20180323439
    Abstract: Provided are a lithium ion secondary battery that prevents short circuit of a battery in which energy density, cycle characteristics, and safety are all balanced at high levels; and a method for producing the lithium ion secondary battery. The lithium ion secondary battery according to the present invention has a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode, in which the negative electrode contains a negative electrode active material containing silicon, the hardness of the negative electrode active material is 10 GPa or more and 20 GPa or less, and the separator has a constitution in which a resin layer and a porous layer are laminated, the thickness of the porous layer is 2 ?m or more and 10 ?m or less when the thickness of the resin layer is 25 ?m or more and 30 ?m or less, and the thickness of the porous layer is 5 ?m or more and 20 ?m or less when the thickness of the resin layer is 15 ?m or more but less than 25 ?m.
    Type: Application
    Filed: October 26, 2016
    Publication date: November 8, 2018
    Applicant: Hitachi, Ltd.
    Inventors: Naoki KIMURA, Eiji SEKI
  • Publication number: 20180293270
    Abstract: An update reflection apparatus includes a memory and a processor coupled to the memory. The processor is configured to accumulate first information relating to first records in a write buffer of a row-type. The first records are to update a database of an append-only type. The database is in a column-format. The processor is configured to convert a second record of the first records to a column format. The second record satisfies a specific condition. The processor is configured to append the converted second record to the database.
    Type: Application
    Filed: March 20, 2018
    Publication date: October 11, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Eiji Seki
  • Publication number: 20180166738
    Abstract: Capacity of a lithium ion secondary battery is increased and life of the lithium ion secondary battery is prolonged. A lithium ion secondary battery includes a negative electrode, a positive electrode, and a separator. The negative electrode contains a silicon-containing Si-based negative electrode active material, graphite, and a negative electrode binder.
    Type: Application
    Filed: August 26, 2016
    Publication date: June 14, 2018
    Inventors: Naoki KIMURA, Eiji SEKI, Seogchul SHIN
  • Publication number: 20180095968
    Abstract: A database search apparatus includes a processor that receives a search query including first keys. The processor calculates a first score based on statistical information. The first score represents search performance of searching a first database in accordance with the search query. The first database stores a data group including combinations of a key and a value of the key. The statistical information includes information regarding each key included in the data group. The processor calculates a second score based on the statistical information. The second score represents search performance of searching a second database different from the first database in accordance with the search query, the second database storing the data group. The processor selects the first database or the second database based on the first score and the second score. The processor instructs the selected database to performing a search in accordance with the search query.
    Type: Application
    Filed: September 22, 2017
    Publication date: April 5, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Eiji Seki
  • Patent number: 9614221
    Abstract: A lithium-ion secondary battery of the present invention contains: a laminated electrode group formed of a rectangular positive electrode; a rectangular negative electrode; and a separator. In such a laminated electrode group, the positive electrode includes a positive electrode current collector foil, and a positive electrode mixture layer containing a positive electrode active material, the negative electrode includes a negative electrode current collector foil, and a negative electrode mixture layer containing a negative electrode active material. The negative electrode active material includes a silicon-based material, and a carbonaceous material. A mass ratio of the silicon-based material and the carbonaceous material is 20:80 to 80:20. The silicon-based material is a Si alloy or SiOx (0.5?x?1.5). The positive electrode and the negative electrode have a collection terminal protruding from a same side of the laminated electrode group.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: April 4, 2017
    Assignee: HITACHI, LTD.
    Inventors: Naoki Kimura, Eiji Seki
  • Patent number: 9543579
    Abstract: A lithium ion secondary battery includes: a positive electrode including a positive electrode active material; a negative electrode formed by coating a negative electrode active material mixture onto a surface of a negative electrode collector, the negative electrode active material mixture including a negative electrode active material, a conductive additive, and a binder; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, in which the negative electrode active material includes graphite and an Si alloy, inequities of 0.43?x?9.0 and 8?y<18 are satisfied when a mass ratio of the graphite and the Si alloy is defined as x and a coating amount of the negative electrode active material mixture is defined as y (mg/cm2). Thus, an initial capacity thereof can be increased and a capacity retention rate thereof can be improved in the lithium ion secondary battery which includes the Si alloy in the negative electrode.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: January 10, 2017
    Assignee: Hitachi, Ltd.
    Inventors: Eiji Seki, Naoki Kimura, Seogchul Shin
  • Publication number: 20160259703
    Abstract: A non-transitory computer-readable recording medium stores therein a retrieving control program that causes a computer to execute a process including, receiving a retrieval request including range information; estimating a number of records to be obtained by performing retrieval in a retrieval range; calculating a difference between a cost of retrieval processing time when retrieval processing is performed by a first process or thread which performs the retrieval processing for a record of the total number of records, and the cost of retrieval processing time when retrieval processing is performed by parallel retrieval; calculating a cost of time for giving a record of the estimated number of records from a plurality of processes or threads to the first process or thread; and controlling, according to a comparison result between the difference and the calculated cost of the time, whether the retrieval request is to be processed by the parallel retrieval.
    Type: Application
    Filed: March 2, 2016
    Publication date: September 8, 2016
    Applicant: FUJITSU LIMITED
    Inventors: Junji Kawai, Sawahiko Sato, MASAKI NISHIGAKI, Eiji Seki
  • Publication number: 20160156025
    Abstract: A lithium ion secondary battery having a negative electrode includes a negative electrode active material containing at least one of two material of silicon and a silicon compound and carbon, a weight mixing ratio of at least one of two material of the silicon and the silicon compound and the carbon is 20:80 to 50:50, when D90 of particles of at least one of two material of the silicon and the silicon compound is x, D50 of particles of the carbon is y, and the weight mixing ratio of the carbon is z, y??1.17x+0.45z is satisfied, the x is between 2 ?m and 10 ?m, the y is between 10 ?m and 23 ?m, and the z is between 50% and 80% by weight, and a coefficient of expansion when the negative electrode is fully charged is 110% or more and 140% or less.
    Type: Application
    Filed: November 25, 2015
    Publication date: June 2, 2016
    Applicant: HITACHI, LTD.
    Inventors: Seogchul SHIN, Naoki KIMURA, Eiji SEKI
  • Publication number: 20160072125
    Abstract: A lithium-ion secondary battery of the present invention contains: a laminated electrode group formed of a rectangular positive electrode; a rectangular negative electrode; and a separator. In such a laminated electrode group, the positive electrode includes a positive electrode current collector foil, and a positive electrode mixture layer containing a positive electrode active material, the negative electrode includes a negative electrode current collector foil, and a negative electrode mixture layer containing a negative electrode active material. The negative electrode active material includes a silicon-based material, and a carbonaceous material. A mass ratio of the silicon-based material and the carbonaceous material is 20:80 to 80:20. The silicon-based material is a Si alloy or SiOx (0.5?x?1.5). The positive electrode and the negative electrode have a collection terminal protruding from a same side of the laminated electrode group.
    Type: Application
    Filed: August 19, 2015
    Publication date: March 10, 2016
    Applicant: HITACHI, LTD.
    Inventors: Naoki KIMURA, Eiji SEKI
  • Publication number: 20160013484
    Abstract: A lithium ion secondary battery includes: a positive electrode including a positive electrode active material; a negative electrode formed by coating a negative electrode active material mixture onto a surface of a negative electrode collector, the negative electrode active material mixture including a negative electrode active material, a conductive additive, and a binder; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, in which the negative electrode active material includes graphite and an Si alloy, inequities of 0.43?x?9.0 and 8?y<18 are satisfied when a mass ratio of the graphite and the Si alloy is defined as x and a coating amount of the negative electrode active material mixture is defined as y (mg/cm2). Thus, an initial capacity thereof can be increased and a capacity retention rate thereof can be improved in the lithium ion secondary battery which includes the Si alloy in the negative electrode.
    Type: Application
    Filed: June 16, 2015
    Publication date: January 14, 2016
    Applicant: Hitachi, Ltd.
    Inventors: Eiji SEKI, Naoki KIMURA, Seogchul SHIN
  • Publication number: 20150280208
    Abstract: In manufacturing a negative electrode for a lithium-ion secondary battery, the negative electrode including a negative-electrode mixture layer including a negative-electrode active material and a binder containing at least one selected from a group consisting of a polyimide, a polyamide-imide and a polyamide, and a negative-electrode collector, the negative-electrode collector coated with a negative-electrode mixture slurry containing the binder is pressed by a hot-press roller which is heated to perform thermal curing and press together, such that the negative-electrode collector with the negative-electrode mixture slurry has a temperature of 200 to 400° C.
    Type: Application
    Filed: February 19, 2015
    Publication date: October 1, 2015
    Applicant: HITACHI, LTD.
    Inventors: Naoki KIMURA, Eiji SEKI