Hiroaki Kojima

Person

  • Hitachi, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DIAGNOSTIC DEVICE AND DIAGNOSTIC METHOD

    • Publication number 20210165045
    • Publication date Jun 3, 2021
    • Hitachi, Ltd
    • Akari KUBO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Dynamo-Electric Machine

    • Publication number 20210050758
    • Publication date Feb 18, 2021
    • Hitachi Industrial Products, Ltd.
    • Yuuki KASAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating Electrical Machine Coil, Production Method of Rotating Ele...

    • Publication number 20160301274
    • Publication date Oct 13, 2016
    • Hitachi, Ltd
    • Hiroaki KOJIMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Partial-Discharge Measurement Method and High-Voltage Device Inspec...

    • Publication number 20160216309
    • Publication date Jul 28, 2016
    • Hitachi, Ltd
    • Hiroaki KOJIMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    Rotating Machine

    • Publication number 20160118867
    • Publication date Apr 28, 2016
    • Hitachi, Ltd
    • Takeshi IWATA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating Electrical Machine

    • Publication number 20150340920
    • Publication date Nov 26, 2015
    • Hitachi, Ltd
    • Kenji IKEDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Deterioration Diagnosis System

    • Publication number 20150331051
    • Publication date Nov 19, 2015
    • Hitachi, Ltd
    • Kohji MAKI
    • G01 - MEASURING TESTING
  • Information Patent Application

    POWER SWITCH

    • Publication number 20120319762
    • Publication date Dec 20, 2012
    • TEXAS INSTRUMENTS INCORPORATED
    • Hiroshi Watanabe
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    METHOD FOR PREDICTING VOLUME CHANGE OF VOID GENERATED IN RESIN FILL...

    • Publication number 20110112812
    • Publication date May 12, 2011
    • Tsutomu KONO
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Phase-locked loop circuit

    • Publication number 20060114069
    • Publication date Jun 1, 2006
    • Hiroaki Kojima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Microforce measurement method and apparatus

    • Publication number 20030086094
    • Publication date May 8, 2003
    • Hiroaki Kojima
    • G01 - MEASURING TESTING
  • Information Patent Application

    FREQUENCY COMPARISON CIRCUIT

    • Publication number 20020180488
    • Publication date Dec 5, 2002
    • Hiroaki Kojima
    • H03 - BASIC ELECTRONIC CIRCUITRY