Hirofumi Fujiwara

Person

  • Kanagawa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Switching regulator control circuit

    • Patent number 9,760,101
    • Issue date Sep 12, 2017
    • RENESAS ELECTRONICS CORPORATION
    • Hirofumi Fujiwara
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Differential amplifier and source driver

    • Patent number 8,493,147
    • Issue date Jul 23, 2013
    • Renesas Electronics Corporation
    • Hirofumi Fujiwara
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    SWITCHING REGULATOR CONTROL CIRCUIT

    • Publication number 20170364107
    • Publication date Dec 21, 2017
    • RENESAS ELECTRONICS CORPORATION
    • Hirofumi FUJIWARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING REGULATOR CONTROL CIRCUIT

    • Publication number 20130335050
    • Publication date Dec 19, 2013
    • Hirofumi FUJIWARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Differential amplifier and source driver

    • Publication number 20110227647
    • Publication date Sep 22, 2011
    • Renesas Electronics Corporation
    • Hirofumi Fujiwara
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Differential amplifier architecture adapted to input level conversion

    • Publication number 20110199360
    • Publication date Aug 18, 2011
    • Renesas Electronics Corporation
    • Hirofumi Fujiwara
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS