GREGORY SIU

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Shenyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multiple section showerhead assembly
- Patent number 11,731,145
- Issue date Aug 22, 2023
- PIOTECH INC.
- Gregory Siu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
MULTI-STATION PROCESSING CHAMBER FOR SEMICONDUCTOR
- Publication number 20230274957
- Publication date Aug 31, 2023
- PIOTECH CO., LTD.
- HUAQIANG TAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTIPLE SECTION SHOWERHEAD ASSEMBLY
- Publication number 20200360943
- Publication date Nov 19, 2020
- PIOTECH CO., LTD.
- GREGORY SIU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
MULTI-STATION PROCESSING CHAMBER FOR SEMICONDUCTOR
- Publication number 20200203197
- Publication date Jun 25, 2020
- PIOTECH CO., LTD.
- HUAQIANG TAN
- H01 - BASIC ELECTRIC ELEMENTS