Patents by Inventor Tadashi Takeuchi

Tadashi Takeuchi 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).

  • Patent number: 11142887
    Abstract: An engine cooling system (22) includes an engine (11), an engine cooling pipe line (23), an engine water pump (24) and an engine radiator (25). An electricity storage device cooling system (27) includes an electricity storage device (19), an electricity storage device cooling pipe line (28), an electricity storage device water pump (29) and an electricity storage device radiator (31). Different heat-transfer media (engine cooling water and electricity storage device cooling water) flow respectively in the engine cooling system (22) and the electricity storage device cooling system (27). Further, a heating heat exchanger (32) is provided in the halfway of the engine cooling pipe line (23) and in the halfway of the electricity storage device cooling pipe line (28) for performing heat exchange between the engine cooling water and the electricity storage device cooling water.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 12, 2021
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Akira Watanabe, Ken Takeuchi, Tadashi Osaka
  • Patent number: 11107911
    Abstract: A semiconductor device includes an inversion type semiconductor element, which has: a substrate; a drift layer; a saturation current suppression layer; a current dispersion layer; a base region; a source region; a connection layer; a plurality of trench gate structures; an interlayer insulation film; a source electrode; and a drain electrode. A channel region is provided in a portion of the base region in contact with each trench gate structure by applying a gate voltage to the gate electrode and applying a normal operation voltage as a drain voltage to the drain electrode; and a current flows between the source electrode and the drain electrode through the source region and the JFET portion.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: August 31, 2021
    Assignee: DENSO CORPORATION
    Inventors: Yuichi Takeuchi, Shuhei Mitani, Yasuhiro Ebihara, Yusuke Yamashita, Tadashi Misumi
  • Patent number: 11074518
    Abstract: A computer system holds model management information for managing a model for calculating, based on a feature amount of a process pair generated based on a plan history and formed of two processes, a transition probability of the two processes forming the process pair. The computer system comprises: a transition probability calculating unit uses, in a case of receiving input data including a plurality of target processes, the model management information and a feature amount of a process pair formed of a reference target process and a transition destination target process, to thereby calculate a transition probability of the process pair; and a transition probability modifying unit modifies the transition probability of the process pair determined to be unreliable. The transition probability calculating unit generates a new plan by determining the order of execution of the plurality of target processes based on the transition probability of the process pair.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: July 27, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Mizuki Miyanaga, Tadashi Takeuchi
  • Publication number: 20210103699
    Abstract: A data extraction device includes: a label input part that receives, from a user, an input of the type of each component of at least one set of sentences and a designation of a topic portion in the component; a model creation part that creates a pre-trained model that has learned the type of each component and a feature of the topic portion in the component; a sentence-feature presuming part that inputs a specified set of sentences inputted by a user into the pre-trained model and a topic portion in each component; a word-vector calculation part that determines a relationship among each word in the specified set of sentences, the type of each presumed component, and the presumed topic portion to calculate a feature amount of each word. A relationship of each of the words based on the calculated feature amount is then extracted.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 8, 2021
    Inventors: Tadashi TAKEUCHI, Eri TERUYA
  • Publication number: 20210089950
    Abstract: A computer system holds model management information for managing a model for calculating, based on a feature amount of a process pair generated based on a plan history and formed of two processes, a transition probability of the two processes forming the process pair. The computer system comprises: a transition probability calculating unit uses, in a case of receiving input data including a plurality of target processes, the model management information and a feature amount of a process pair formed of a reference target process and a transition destination target process, to thereby calculate a transition probability of the process pair; and a transition probability modifying unit modifies the transition probability of the process pair determined to be unreliable. The transition probability calculating unit generates a new plan by determining the order of execution of the plurality of target processes based on the transition probability of the process pair.
    Type: Application
    Filed: February 26, 2020
    Publication date: March 25, 2021
    Inventors: Mizuki MIYANAGA, Tadashi TAKEUCHI
  • Patent number: 10888969
    Abstract: A machining system with a configuration in which working machines, including a machine tool, are configured to be disposed in a line, and in which multiple working machines perform operations on one work in order, is provided. The machining system includes: a base; and multiple working machine modules which are mounted on the base and are arranged in an arrangement direction, and has a configuration in which each of the multiple working machine modules is capable of being drawn out from the base along a track extending in an intersecting direction intersecting with the arrangement direction.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: January 12, 2021
    Assignee: FUJI CORPORATION
    Inventors: Kazuyoshi Nagato, Shigefumi Suzuyama, Kenji Mizuta, Toshifumi Suzuki, Tadashi Takeuchi, Kazutoshi Sakai, Kazuya Furukawa, Atsushi Kamiya, Shinya Kumazaki, Jun Yanagisaki, Osamu Nagai
  • Publication number: 20200387667
    Abstract: An information processing device specifies a plurality of cooccurrence words common to first and second words, and determines synonymity or relevancy about the first word and the second word based on cooccurrence indices between the specified cooccurrence words and each of the first and second words. More specifically, the information processing device selects, from among the specified cooccurrence words, one cooccurrence word in which at least one of cooccurrence indices between the specified cooccurrence word and the first and second words does not exceed a preset first threshold, and obtains a difference in cooccurrence index between each selected cooccurrence word and each of the first and second words, if the difference exceeds a preset second threshold, the information processing device determines the first and second words as relevant word candidates, and if the difference does not exceed the second threshold, the information processing device determines them as synonym candidates.
    Type: Application
    Filed: March 25, 2020
    Publication date: December 10, 2020
    Inventors: Takuya ODA, Tadashi TAKEUCHI
  • Publication number: 20200288762
    Abstract: Object of the present invention is to provide an intestinal immune-enhancing agent that can sufficiently increase IgA in the intestinal tract with a low dose while maintaining an increased amount of IgA for an extended period of time. Provided is an intestinal immune-enhancing agent containing a cellulose acetate that has a total degree of acetyl substitution from 0.4 to 1.1.
    Type: Application
    Filed: October 23, 2018
    Publication date: September 17, 2020
    Applicant: DAICEL CORPORATION
    Inventors: Tadashi TAKEUCHI, Eiji MIYAUCHI, Shu SHIMAMOTO, Akinobu MATSUYAMA, Hiroshi OHNO
  • Patent number: 10761883
    Abstract: According to one embodiment, a program executing apparatus includes an event management portion to configure migration timing of the program on the basis of a state of the program being executed at reception of a migration request from the program, and a state transmission portion to migrate state information of the program on the basis of the migration timing configured in the event management portion.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: September 1, 2020
    Assignee: HITACHI LTD.
    Inventors: Tadashi Takeuchi, Takaaki Haruna
  • Publication number: 20200193090
    Abstract: A word extraction assistance system includes: a storage device that stores a document archive that is a subject of following steps, and a dictionary that defines relations between words; and a calculation device that performs the step of comparing a document contained in the document archive with the dictionary, and thus generating candidate-for-structured-data related to relations between predetermined words, the step of performing determination of validity of the candidate-for-structured-data, based on certainty of the candidate-for-structured-data, and the step of adding the candidate-for-structured-data to the dictionary, based on a result of the determination of validity.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 18, 2020
    Applicant: HITACHI, LTD.
    Inventors: Tadashi TAKEUCHI, Takaaki HARUNA
  • Patent number: 10664182
    Abstract: The storage system is capable of creating one or more virtual storage subsystems to which virtual resources having logically divided a processing capacity of the physical resources are allocated, and upon creating a virtual volume for receiving I/O requests from the host within the virtual storage subsystem, the virtual storage subsystem allocates the virtual resource to the virtual volume, and when an I/O request to the virtual volume is received from the host, performs processing related to the I/O request using the virtual resource having been allocated. According further to the storage system, after allocating the virtual resource to the virtual volume, the storage system raises a utilization rate of the virtual resource allocated to the virtual volume in a stepwise manner.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: May 26, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Yoshinori Oohira, Nobuhiro Maki, Wataru Okada, Tadashi Takeuchi, Sachie Tajima
  • Publication number: 20200097552
    Abstract: Provided is a synonym determination method to improve the determination accuracy of synonyms and reduce data and work. By executing the attribute tag attaching program 21, the CPU 11 attaches an attribute tag to a word extracted from the document data 31. By executing the word co-occurrence index calculation program 22, the CPU 11 calculates a co-occurrence index between words. By executing the attribute-related word search program 23, when there is a set of words having the same attribute among words whose co-occurrence index calculated between words having attributes related with each other is equal to or more than the lower limit value, the CPU 11 determines the set of words to be synonymous. By executing the synonym registration program 24, the CPU 11 presents the words determined to be synonymous to the user 3 as synonym candidates and registers the words presented in the synonym dictionary.
    Type: Application
    Filed: July 29, 2019
    Publication date: March 26, 2020
    Applicant: HITACHI, LTD.
    Inventors: Takaaki Haruna, Tadashi Takeuchi, Takuya Oda
  • Publication number: 20190102219
    Abstract: According to one embodiment, a program executing apparatus includes an event management portion to configure migration timing of the program on the basis of a state of the program being executed at reception of a migration request from the program, and a state transmission portion to migrate state information of the program on the basis of the migration timing configured in the event management portion.
    Type: Application
    Filed: March 21, 2018
    Publication date: April 4, 2019
    Applicant: HITACHI, LTD.
    Inventors: Tadashi TAKEUCHI, Takaaki HARUNA
  • Publication number: 20190004956
    Abstract: A cache state management mechanism manages the cache state of each of a first virtual computer and a second virtual computer, and if the cache state management mechanism detects a cache state transition, then a virtualization mechanism performs deduplication processing if duplicated regions are found. If the second virtual computer accesses a cache that was associated with a released memory region, causing predetermined exception handling to occur, then the virtualization mechanism associates a prescribed memory region with the cache for which the predetermined exception handling has occurred, converts data stored in the cache that is used by the first virtual computer and that is associated with the duplicated memory region corresponding to released memory region, so that the converted data matches the cache configuration of the second virtual computer, instead of the cache configuration of the first virtual computer, and copies the converted data to the predetermined memory region.
    Type: Application
    Filed: February 23, 2015
    Publication date: January 3, 2019
    Applicant: HITACHI, LTD.
    Inventors: Tadashi TAKEUCHI, Sachie TAJIMA
  • Patent number: 10162663
    Abstract: A simple hypervisor, in addition to a hypervisor, is operated on a computer. A guest OS, the continued operations of which need to be guaranteed, when a fault occurs in the hypervisor is operated on the simple hypervisor, and the other guest OSs are operated on the hypervisor. The hypervisor performs resource scheduling (determining of resources to be allocated to or deallocated from each guest OS) and the simple hypervisor executes, in place of the simple hypervisor, allocation or deallocation of resources to or from the guest OS, the continued operations of which need to be guaranteed.
    Type: Grant
    Filed: February 17, 2014
    Date of Patent: December 25, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Tadashi Takeuchi, Sachie Tajima
  • Patent number: 10099334
    Abstract: A machining system with a configuration in which working machines, including a machine tool, are configured to be disposed in a line, and in which multiple working machines perform operations on one work in order, is provided. The machining system includes: a base; and multiple working machine modules which are mounted on the base and are arranged in an arrangement direction, and has a configuration in which each of the multiple working machine modules is capable of being drawn out from the base along a track extending in an intersecting direction intersecting with the arrangement direction.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: October 16, 2018
    Assignee: FUJI CORPORATION
    Inventors: Kazuyoshi Nagato, Shigefumi Suzuyama, Kenji Mizuta, Toshifumi Suzuki, Tadashi Takeuchi, Kazutoshi Sakai, Kazuya Furukawa, Atsushi Kamiya, Shinya Kumazaki, Jun Yanagisaki, Osamu Nagai
  • Publication number: 20180217875
    Abstract: A data processing system in which application nodes capable of executing a program are provided at sites at a plurality of locations, and storage nodes for storing data are also provided at the plurality of locations, with these locations being coupled to one another via a network, wherein: a first application node stores a program I/O history; a second application node reproduces I/O events on the basis of the I/O history, thereby estimating data processing performance; and the first application node determines, on the basis of the data processing performance estimation, whether or not to transfer the program to the second application node.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 2, 2018
    Inventors: Tadashi TAKEUCHI, Hideo AOKI, Tsuyoshi TANAKA, Yuuya ISODA
  • Patent number: 10013358
    Abstract: A computer system includes: a physical resource including a memory; a virtualization mechanism that provides a virtual computer to which the physical resource is allocated; and a cache state management mechanism that manages a cache state of the virtual computer. The virtualization mechanism provides a first virtual computer and a second virtual computer. The cache state management mechanism manages the cache state of each of the first virtual computer and the second virtual computer. When the cache state management mechanism detects transition of the cache state in a state where a memory area allocated to a cache of the first virtual computer and a memory area allocated to a cache of the second virtual computer include duplicated areas storing same data, the virtualization mechanism releases the duplicated area in one of the first virtual computer and the second virtual computer.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: July 3, 2018
    Assignee: HITACHI, LTD.
    Inventors: Sachie Tajima, Tadashi Takeuchi
  • Publication number: 20180004447
    Abstract: The storage system is capable of creating one or more virtual storage subsystems to which virtual resources having logically divided a processing capacity of the physical resources are allocated, and upon creating a virtual volume for receiving I/O requests from the host within the virtual storage subsystem, the virtual storage subsystem allocates the virtual resource to the virtual volume, and when an I/O request to the virtual volume is received from the host, performs processing related to the I/O request using the virtual resource having been allocated. According further to the storage system, after allocating the virtual resource to the virtual volume, the storage system raises a utilization rate of the virtual resource allocated to the virtual volume in a stepwise manner.
    Type: Application
    Filed: January 29, 2015
    Publication date: January 4, 2018
    Inventors: Yoshinori OOHIRA, Nobuhiro MAKI, Wataru OKADA, Tadashi TAKEUCHI, Sachie TAJIMA
  • Patent number: 9632931
    Abstract: In a computer system in which a virtualization control unit controls a plurality of virtual machines, if memory is collected regardless of a memory usage status of the virtual machine, cache miss increases and an IO performance of overall system deteriorates. In order to solve this problem, a usage status of a cache region within a memory which is utilized by each OS that the plurality of the virtual machines has, and based on a monitoring result, the virtualization control unit decides an allocation region of the memory as a collection target among the allocation region of the memory already allocated to each OS, and collects the allocation region of the memory as the collection target from the OS as a current allocation destination.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: April 25, 2017
    Assignee: Hitachi, Ltd.
    Inventors: Sachie Tajima, Tadashi Takeuchi