TREA

Kazumasa Okuma

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum processing method
    • Patent number 11,961,719
    • Issue date Apr 16, 2024
    • HITACHI HIGH-TECH CORPORATION
    • Nozomu Yoshioka
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR WAFER PROCESSING METHOD
    • Publication number 20250038033
    • Publication date Jan 30, 2025
    • Hitachi High-Tech Corporation
    • Nozomu YOSHIOKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VACUUM PROCESSING METHOD
    • Publication number 20230122903
    • Publication date Apr 20, 2023
    • Hitachi High-Tech Corporation
    • Nozomu Yoshioka
    • H01 - BASIC ELECTRIC ELEMENTS