Patents by Inventor Takashi Shimojo
Takashi Shimojo 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: 9361124Abstract: A computer system comprising a plurality of computers on which a plurality of operating systems run, wherein a memory stores a first hardware control unit, wherein a storage device stores a first OS image, a second OS image, a second hardware control unit for executing start processing of the second OS, and an address rewrite unit, wherein the second hardware control unit includes a start unit for starting the second hardware control unit, wherein the address rewrite unit which is started by the first OS is configured to: obtain an address of a storage area, in which address data to be rewritten is stored, as a target address, rewrite the address data stored in the storage area corresponding to the obtained target address and start the start unit, wherein the start unit is configured to start the second hardware control unit by using the rewritten address data.Type: GrantFiled: April 24, 2014Date of Patent: June 7, 2016Assignee: Hitachi, Ltd.Inventors: Norimitsu Hayakawa, Keisuke Yoshida, Takashi Shimojo, Masatoshi Konagaya, Yoshihito Nakagawa, Toshiomi Moriki
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Publication number: 20140372742Abstract: A computer system comprising a plurality of computers on which a plurality of operating systems run, wherein a memory stores a first hardware control unit, wherein a storage device stores a first OS image, a second OS image, a second hardware control unit for executing start processing of the second OS, and an address rewrite unit, wherein the second hardware control unit includes a start unit for starting the second hardware control unit, wherein the address rewrite unit which is started by the first OS is configured to: obtain an address of a storage area, in which address data to be rewritten is stored, as a target address, rewrite the address data stored in the storage area corresponding to the obtained target address and start the start unit, wherein the start unit is configured to start the second hardware control unit by using the rewritten address data.Type: ApplicationFiled: April 24, 2014Publication date: December 18, 2014Applicant: Hitachi, Ltd.Inventors: NORIMITSU HAYAKAWA, Keisuke Yoshida, Takashi Shimojo, Masatoshi Konagaya, Yoshihito Nakagawa, Toshiomi Moriki
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Patent number: 8813075Abstract: The user needs to install an OS every LPAR on a virtual computer. Simultaneous OS installing in a plurality of LPARs is implemented by generating a first LPAR (special LPAR), a second LPAR (install mode LPAR), and a third LPAR (normal LPAR) on the basis of LPAR configuration information, copying an OS image to an MMIO space of the first LPAR, allocating the MMIO space of the first LPAR to an MMIO space of the second LPAR, and converting access to the MMIO space of the second LPAR to access to the MMIO space of the first LPAR.Type: GrantFiled: September 23, 2011Date of Patent: August 19, 2014Assignee: Hitachi, Ltd.Inventors: Hiromi Nagashima, Takashi Shimojo, Yasuyuki Hirose, Ryota Noguchi
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Patent number: 8671270Abstract: A computer system including no basic input/output system (BIOS) for operating bootstrap used in initial activation of a legacy operation system is allowed to perform booting of legacy operation system therefor and includes a central processing unit (CPU) and a memory, in which extended firmware and bootstrap program are stored. The extended firmware includes BIOS emulator and a plurality of device drivers. The extended firmware uses the device driver to make the BIOS emulator perform emulation of BIOS operation in response to a BIOS call issued by the bootstrap program.Type: GrantFiled: January 9, 2009Date of Patent: March 11, 2014Assignee: Hitachi, Ltd.Inventors: Harumi Oigawa, Takashi Shimojo, Akira Takeshita, Takao Totsuka
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Patent number: 8443364Abstract: A user interface function for a virtual machine system based on a server or a PC is provided only by applying software without using SVP or the like. A control virtual machine is provided for controlling a virtual machine control screen which is displayed for defining virtual machines and instructing operations to the virtual machines. A virtual machine control program exclusively displays either a screen for each virtual machine or the virtual machine control screen in response to a screen switching instruction from an input device.Type: GrantFiled: March 29, 2010Date of Patent: May 14, 2013Assignee: Hitachi, Ltd.Inventors: Toyohisa Imada, Takashi Shimojo, Makiko Shinohara, Yoshihiro Harima
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Publication number: 20120124574Abstract: The user needs to install an OS every LPAR on a virtual computer.Type: ApplicationFiled: September 23, 2011Publication date: May 17, 2012Inventors: HIROMI NAGASHIMA, Takashi Shimojo, Yasuyuki Hirose, Ryota Noguchi
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Publication number: 20100186012Abstract: A user interface function for a virtual machine system based on a server or a PC is provided only by applying software without using SVP or the like. A control virtual machine is provided for controlling a virtual machine control screen which is displayed for defining virtual machines and instructing operations to the virtual machines. A virtual machine control program exclusively displays either a screen for each virtual machine or the virtual machine control screen in response to a screen switching instruction from an input device.Type: ApplicationFiled: March 29, 2010Publication date: July 22, 2010Applicant: Hitachi, LTD.Inventors: Toyohisa Imada, Takashi Shimojo, Makiko Shinohara, Yoshihiro Harima
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Patent number: 7721285Abstract: A user interface function for a virtual machine system based on a server or a PC is provided only by applying software without using SVP or the like. A control virtual machine is provided for controlling a virtual machine control screen which is displayed for defining virtual machines and instructing operations to the virtual machines. A virtual machine control program exclusively displays either a screen for each virtual machine or the virtual machine control screen in response to a screen switching instruction from an input device.Type: GrantFiled: February 12, 2007Date of Patent: May 18, 2010Assignee: Hitachi, Ltd.Inventors: Toyohisa Imada, Takashi Shimojo, Makiko Shinohara, Yoshihiro Harima
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Publication number: 20090193244Abstract: A computer system including no basic input/output system (BIOS) for operating bootstrap used in initial activation of a legacy operation system is allowed to perform booting of legacy operation system therefor and includes a central processing unit (CPU) and a memory, in which extended firmware and bootstrap program are stored. The extended firmware includes BIOS emulator and a plurality of device drivers. The extended firmware uses the device driver to make the BIOS emulator perform emulation of BIOS operation in response to a BIOS call issued by the bootstrap program.Type: ApplicationFiled: January 9, 2009Publication date: July 30, 2009Inventors: Harumi Oigawa, Takashi Shimojo, Akira Takeshita, Takao Totsuka
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Patent number: 7272799Abstract: A user interface function for a virtual machine system based on a server or a PC is provided only by applying software without using SVP or the like. A control virtual machine is provided for controlling a virtual machine control screen which is displayed for defining virtual machines and instructing operations to the virtual machines. A virtual machine control program exclusively displays either a screen for each virtual machine or the virtual machine control screen in response to a screen switching instruction from an input device.Type: GrantFiled: April 18, 2002Date of Patent: September 18, 2007Assignee: Hitachi, Ltd.Inventors: Toyohisa Imada, Takashi Shimojo, Makiko Shinohara, Yoshihiro Harima
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Publication number: 20070143754Abstract: A user interface function for a virtual machine system based on a server or a PC is provided only by applying software without using SVP or the like. A control virtual machine is provided for controlling a virtual machine control screen which is displayed for defining virtual machines and instructing operations to the virtual machines. A virtual machine control program exclusively displays either a screen for each virtual machine or the virtual machine control screen in response to a screen switching instruction from an input device.Type: ApplicationFiled: February 12, 2007Publication date: June 21, 2007Applicant: Hitachi, Ltd.Inventors: Toyohisa Imada, Takashi Shimojo, Makiko Shinohara, Yoshihiro Harima
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Publication number: 20050262548Abstract: The present invention provides a terminal capable of receiving information corresponding to scenes of a television broadcast while the television broadcast is being viewed on a television set. A contents delivery system includes the terminal and an output device for receiving and displaying broadcast data delivered from a broadcasting station. The terminal has an identification information acquisition section for acquiring identification information displayed on the screen of the output device, the identification information being included in the broadcast data and changing with time. A relevant information extractor extracts relevant information, relating to contents to be broadcast according to the broadcast data, from the identification information. An output section outputs the relevant information extracted by the relevant information extraction section.Type: ApplicationFiled: September 28, 2004Publication date: November 24, 2005Applicant: Dwango Co., Ltd.Inventors: Takashi Shimojo, Takeshi Nakata
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Patent number: 6606697Abstract: A page table on a main storage contains a correspondence between guest virtual address and a host real address, and a TLB in a processor holds said correspondence calculated by a previous address translation. A PTBR holds a real address of a page table. When a processor detects a TLB purge, the processor starts a host when detecting a TLB purge. The host examines a virtual space change processing executed by the guest, and stores a correspondence between a new guest virtual address and a new host real address in the page table.Type: GrantFiled: August 11, 2000Date of Patent: August 12, 2003Assignee: Hitachi, Ltd.Inventors: Kuniaki Kawahara, Yukihiro Seki, Takashi Shimojo
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Publication number: 20020173863Abstract: A user interface function for a virtual machine system based on a server or a PC is provided only by applying software without using SVP or the like. A control virtual machine is provided for controlling a virtual machine control screen which is displayed for defining virtual machines and instructing operations to the virtual machines. A virtual machine control program exclusively displays either a screen for each virtual machine or the virtual machine control screen in response to a screen switching instruction from an input device.Type: ApplicationFiled: April 18, 2002Publication date: November 21, 2002Inventors: Toyohisa Imada, Takashi Shimojo, Makiko Shinohara, Yoshihiro Harima