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
WAFER PROCESSING METHOD AND WAFER PROCESSING SYSTEM
- Publication number 20250201570
- Publication date Jun 19, 2025
- He WANG
- H01 - BASIC ELECTRIC ELEMENTS
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