Seunghee Ryu

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Patents Grantslast 30 patents

Information Patent Grant
High frequency generator having dual outputs and its driving method
- Patent number 11,189,471
- Issue date Nov 30, 2021
- NEWPOWERPLASMA CO., LTD.
- Jongwoon Kim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
RF generator and its operating method
- Patent number 10,818,474
- Issue date Oct 27, 2020
- NEWPOWERPLASMA CO., LTD.
- Seunghee Ryu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reverse power reducing method and plasma power apparatus using the...
- Patent number 10,410,834
- Issue date Sep 10, 2019
- NEWPOWERPLASMA CO., LTD.
- Seunghee Ryu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HIGH FREQUENCY GENERATOR HAVING DUAL OUTPUTS AND ITS DRIVING METHOD
- Publication number 20210327680
- Publication date Oct 21, 2021
- Newpowerplasma Co., Ltd.
- Jongwoon KIM
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RF GENERATOR AND ITS OPERATING METHOD
- Publication number 20200357609
- Publication date Nov 12, 2020
- Newpowerplasma Co., Ltd.
- Seunghee Ryu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RF GENERATOR AND ITS OPERATING METHOD
- Publication number 20200357608
- Publication date Nov 12, 2020
- Newpowerplasma Co., Ltd.
- Seunghee Ryu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER