Hee Sik Sohn

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric barrier discharge-type electrode structure for generatin...
- Patent number 9,117,616
- Issue date Aug 25, 2015
- SP TECH CO., LTD.
- Hee Sik Sohn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Diamond film depositing apparatus using microwaves and plasma
- Patent number 7,171,919
- Issue date Feb 6, 2007
- Small Business Corporation
- Hee-Sik Sohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
HIGHLY CORROSION-RESISTANT HEAT EXCHANGER SYSTEM USING CONTROL OF A...
- Publication number 20200173740
- Publication date Jun 4, 2020
- SP TECH CO.,LTD
- Hee Sik SOHN
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
DIELECTRIC BARRIER DISCHARGE-TYPE ELECTRODE STRUCTURE FOR GENERATIN...
- Publication number 20150137677
- Publication date May 21, 2015
- SP TECH CO., LTD.
- Hee Sik Sohn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Diamond film depositing apparatus using microwaves and plasma
- Publication number 20040134431
- Publication date Jul 15, 2004
- Hee-Sik Sohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...