Akihito Hirai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Phase detector

    • Patent number 11,879,917
    • Issue date Jan 23, 2024
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Phase synchronization device

    • Patent number 11,870,447
    • Issue date Jan 9, 2024
    • Mitsubishi Electric Corporation
    • Sho Ikeda
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Mixer

    • Patent number 11,463,047
    • Issue date Oct 4, 2022
    • Mitsubishi Electric Corporation
    • Shinya Yokomizo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Image rejection mixer and communication circuit

    • Patent number 11,405,001
    • Issue date Aug 2, 2022
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Dielectric heating device and dielectric heating electrodes

    • Patent number 11,297,695
    • Issue date Apr 5, 2022
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Mixer

    • Patent number 11,233,495
    • Issue date Jan 25, 2022
    • Mitsubishi Electric Corporation
    • Shinya Yokomizo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Phase-locked loop circuit

    • Patent number 11,088,698
    • Issue date Aug 10, 2021
    • Mitsubishi Electric Corporation
    • Sho Ikeda
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    IQ signal source

    • Patent number 11,012,078
    • Issue date May 18, 2021
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifier

    • Patent number 10,958,223
    • Issue date Mar 23, 2021
    • Mitsubishi Electric Corporation
    • Tatsuya Hagiwara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Local oscillator

    • Patent number 10,944,360
    • Issue date Mar 9, 2021
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Local oscillator

    • Patent number 10,910,997
    • Issue date Feb 2, 2021
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device and semiconductor device manufacturing method

    • Patent number 10,854,560
    • Issue date Dec 1, 2020
    • AOI Electronics Co., Ltd.
    • Shuichi Sawamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device packaging with metallic shielding layer

    • Patent number 10,854,557
    • Issue date Dec 1, 2020
    • AOI Electronics Co., Ltd.
    • Shuichi Sawamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Polyphase filter

    • Patent number 10,763,826
    • Issue date Sep 1, 2020
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Start signal generating apparatus

    • Patent number 9,503,980
    • Issue date Nov 22, 2016
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signal transmission system

    • Patent number 9,385,900
    • Issue date Jul 5, 2016
    • Mitsubishi Electric Corporation
    • Kenichi Tajima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Laser radar system

    • Patent number 9,007,600
    • Issue date Apr 14, 2015
    • Mitsubishi Electric Corporation
    • Masaharu Imaki
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOSITE PRINTED WIRING BOARD AND METHOD OF MANUFACTURING COMPOSIT...

    • Publication number 20240334597
    • Publication date Oct 3, 2024
    • Mitsubishi Electric Corporation
    • Tatsuya SAKAMOTO
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ANTENNA DEVICE

    • Publication number 20230223694
    • Publication date Jul 13, 2023
    • Mitsubishi Electric Corporation
    • Shunichi IKEDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ACTIVE PHASED ARRAY ANTENNA

    • Publication number 20230099900
    • Publication date Mar 30, 2023
    • Mitsubishi Electric Corporation
    • Kengo KAWASAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHASE DETECTOR

    • Publication number 20220107347
    • Publication date Apr 7, 2022
    • Mitsubishi Electric Corporation
    • Akihito HIRAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    PHASE SYNCHRONIZATION DEVICE

    • Publication number 20220052699
    • Publication date Feb 17, 2022
    • Mitsubishi Electric Corporation
    • Sho IKEDA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MIXER

    • Publication number 20210399686
    • Publication date Dec 23, 2021
    • Mitsubishi Electric Corporation
    • Shinya YOKOMIZO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IQ SIGNAL SOURCE

    • Publication number 20210135676
    • Publication date May 6, 2021
    • Mitsubishi Electric Corporation
    • Akihito HIRAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    PHASE-LOCKED LOOP CIRCUIT

    • Publication number 20210083681
    • Publication date Mar 18, 2021
    • Mitsubishi Electric Corporation
    • Sho IKEDA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DIELECTRIC HEATING DEVICE AND DIELECTRIC HEATING ELECTRODES

    • Publication number 20210014942
    • Publication date Jan 14, 2021
    • Mitsubishi Electric Corporation
    • Akihito HIRAI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    IMAGE REJECTION MIXER AND COMMUNICATION CIRCUIT

    • Publication number 20200382059
    • Publication date Dec 3, 2020
    • Mitsubishi Electric Corporation
    • Akihito HIRAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    MIXER

    • Publication number 20200350886
    • Publication date Nov 5, 2020
    • Mitsubishi Electric Corporation
    • Shinya YOKOMIZO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    LOCAL OSCILLATOR

    • Publication number 20200252070
    • Publication date Aug 6, 2020
    • Mitsubishi Electric Corporation
    • Akihito HIRAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AMPLIFIER

    • Publication number 20200235706
    • Publication date Jul 23, 2020
    • Mitsubishi Electric Corporation
    • Tatsuya HAGIWARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POLYPHASE FILTER

    • Publication number 20190379356
    • Publication date Dec 12, 2019
    • Mitsubishi Electric Corporation
    • Akihito HIRAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Semiconductor Device and Semiconductor Device Manufacturing Method

    • Publication number 20190326227
    • Publication date Oct 24, 2019
    • AOI ELECTRONICS CO., LTD.
    • Shuichi SAWAMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Device and Semiconductor Device Manufacturing Method

    • Publication number 20180197822
    • Publication date Jul 12, 2018
    • AOI ELECTRONICS CO., LTD.
    • Shuichi SAWAMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SIGNAL PROCESSING DEVICE

    • Publication number 20160112223
    • Publication date Apr 21, 2016
    • Mitsubishi Electric Corporation
    • Yusuke KITSUKAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SIGNAL TRANSMISSION SYSTEM

    • Publication number 20150030064
    • Publication date Jan 29, 2015
    • Mitsubishi Electric Corporation
    • Kenichi Tajima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    START SIGNAL GENERATING APPARATUS

    • Publication number 20140376434
    • Publication date Dec 25, 2014
    • Mitsubishi Electric Corporation
    • Akihito Hirai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LASER RADAR SYSTEM

    • Publication number 20130027715
    • Publication date Jan 31, 2013
    • Mitsubishi Electric Corporation
    • Masaharu Imaki
    • G01 - MEASURING TESTING