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Ryuji UKAI

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SURFACE INSPECTION APPARATUS
    • Publication number 20250012732
    • Publication date Jan 9, 2025
    • HITACHI HIGH-TECH CORPORATION
    • Toshifumi HONDA
    • G01 - MEASURING TESTING
  • Information Patent Application

    HEAD-MOUNTED DISPLAY
    • Publication number 20230144703
    • Publication date May 11, 2023
    • Hitachi-LG Data Storage, Inc.
    • Toshiteru NAKAMURA
    • G02 - OPTICS
  • Information Patent Application

    Flux and Solder Paste
    • Publication number 20230122883
    • Publication date Apr 20, 2023
    • SENJU METAL INDUSTRY CO., LTD.
    • Ryuji Ukai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VIDEO DISPLAY DEVICE AND VIDEO DISPLAY SYSTEM
    • Publication number 20220413204
    • Publication date Dec 29, 2022
    • Hitachi-LG Data Storage, Inc.
    • Ryuji UKAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOLDER PASTE
    • Publication number 20220331916
    • Publication date Oct 20, 2022
    • SENJU METAL INDUSTRY CO., LTD.
    • Ryuji UKAI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VIRTUAL IMAGE PROJECTION DEVICE
    • Publication number 20210373424
    • Publication date Dec 2, 2021
    • Hitachi-LG Data Storage, Inc.
    • Takahiro MOURI
    • G02 - OPTICS
  • Information Patent Application

    VIRTUAL IMAGE PROJECTION DEVICE
    • Publication number 20210149183
    • Publication date May 20, 2021
    • Hitachi-LG Data Storage, Inc.
    • Seiji MURATA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE DISPLAY DEVICE AND HEAD MOUNTED DISPLAY USING THE SAME
    • Publication number 20210063743
    • Publication date Mar 4, 2021
    • Hitachi-LG Data Storage, Inc.
    • Takuma KUNO
    • G02 - OPTICS
  • Information Patent Application

    WAVEGUIDE AND VIDEO IMAGE DISPLAY DEVICE
    • Publication number 20210041699
    • Publication date Feb 11, 2021
    • Hitachi-LG Data Storage, Inc.
    • Ryuji UKAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT-GUIDING PLATE, LIGHT-GUIDING PLATE MANUFACTURING METHOD, AND...
    • Publication number 20200278546
    • Publication date Sep 3, 2020
    • Takeru UTSUGI
    • G02 - OPTICS
  • Information Patent Application

    LIGHT GUIDE PLATE AND IMAGE DISPLAY APPARATUS
    • Publication number 20200233217
    • Publication date Jul 23, 2020
    • Hitachi-LG Data Storage, Inc.
    • Takuma KUNO
    • G02 - OPTICS
  • Information Patent Application

    HEAD MOUNTED DISPLAY
    • Publication number 20200201047
    • Publication date Jun 25, 2020
    • Hitachi-LG Data Storage, Inc.
    • Toshiteru NAKAMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIDEO DISPLAY APPARATUS AND VIDEO DISPLAY SYSTEM
    • Publication number 20200201049
    • Publication date Jun 25, 2020
    • Hitachi-LG Data Storage, Inc.
    • Ryuji UKAI
    • G02 - OPTICS
  • Information Patent Application

    VIDEO DISPLAY DEVICE
    • Publication number 20200202759
    • Publication date Jun 25, 2020
    • Hitachi-LG Data Storage, Inc.
    • Ryuji UKAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Soldering Method
    • Publication number 20190373741
    • Publication date Dec 5, 2019
    • Mamoru Kakuishi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    IMAGE DISPLAY DEVICE
    • Publication number 20190068959
    • Publication date Feb 28, 2019
    • Hitachi-LG Data Storage, Inc.
    • Ryuji UKAI
    • G02 - OPTICS
  • Information Patent Application

    Illumination Device, Illumination Method, and Video Projection Appa...
    • Publication number 20180203338
    • Publication date Jul 19, 2018
    • HITACHI CHEMICAL COMPANY ,LTD.
    • Tomoto KAWAMURA
    • G02 - OPTICS
  • Information Patent Application

    IMAGE DISPLAY DEVICE
    • Publication number 20170351099
    • Publication date Dec 7, 2017
    • Hitachi-LG Data Storage, Inc.
    • Ryuji UKAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    IMAGE DISPLAY DEVICE
    • Publication number 20170287375
    • Publication date Oct 5, 2017
    • Hitachi-LG Data Storage, Inc.
    • Ryuji UKAI
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS