Yohei ISHII

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Hillsboro, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device manufacturing method
- Patent number 11,756,793
- Issue date Sep 12, 2023
- HITACHI HIGH-TECH CORPORATION
- Yohei Ishii
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Manufacturing method of a semiconductor device and a plasma process...
- Patent number 10,892,158
- Issue date Jan 12, 2021
- HITACHI HIGH-TECH CORPORATION
- Makoto Miura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE MANUFACTURING METHOD
- Publication number 20210202259
- Publication date Jul 1, 2021
- HITACHI HIGH-TECH CORPORATION
- Yohei Ishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MANUFACTURING METHOD OF A SEMICONDUCTOR DEVICE AND A PLASMA PROCESS...
- Publication number 20200312658
- Publication date Oct 1, 2020
- Hitachi High-Technologies Corporation
- Makoto MIURA
- H01 - BASIC ELECTRIC ELEMENTS