Patents by Inventor Kazunori TSUNASHIMA

Kazunori TSUNASHIMA 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).

  • Electronic device configured to update program stored therein using difference data and program updating method using difference data
    Patent number: 10540169
    Abstract: An electronic device including a first microcomputer, a second microcomputer, and communication part configured to communicate with an external device is provided. The first microcomputer has a first storage configured to store a first program, and a first controller configured to execute a first process by using the first program stored in the first storage. The second microcomputer has a second storage configured to store a second program, and a second controller configured to execute a second process by using the second program stored in the second storage. The second controller of the second microcomputer acquires, from the external device, difference data for updating the first program stored in the first storage of the first microcomputer by using the communication part, and updates the first program stored in the first storage of the first microcomputer by using the acquired difference data and the second program stored in the second storage.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: January 21, 2020
    Assignee: CLARION CO., LTD.
    Inventors: Yasuhiko Nakagawa, Kazuya Takahashi, Mitsuya Kato, Hisanori Kawakita, Nozomi Toyozaki, Kazunori Tsunashima
  • ELECTRONIC DEVICE AND PROGRAM UPDATING METHOD
    Publication number: 20180365002
    Abstract: An electronic device including a first microcomputer, a second microcomputer, and communication part configured to communicate with an external device is provided. The first microcomputer has a first storage configured to store a first program, and a first controller configured to execute a first process by using the first program stored in the first storage. The second microcomputer has a second storage configured to store a second program, and a second controller configured to execute a second process by using the second program stored in the second storage. The second controller of the second microcomputer acquires, from the external device, difference data for updating the first program stored in the first storage of the first microcomputer by using the communication part, and updates the first program stored in the first storage of the first microcomputer by using the acquired difference data and the second program stored in the second storage.
    Type: Application
    Filed: June 18, 2018
    Publication date: December 20, 2018
    Applicant: Clarion Co., Ltd.
    Inventors: Yasuhiko NAKAGAWA, Kazuya TAKAHASHI, Mitsuya KATO, Hisanori KAWAKITA, Nozomi TOYOZAKI, Kazunori TSUNASHIMA