Woojin LEE

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flake-like fine particles
- Patent number 10,688,557
- Issue date Jun 23, 2020
- Tokusen Kogyo Co., Ltd.
- Woojin Lee
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Silver powder
- Patent number 9,999,923
- Issue date Jun 19, 2018
- Tokusen Kogyo Co., Ltd.
- Woojin Lee
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METAL POWDER
- Publication number 20230241671
- Publication date Aug 3, 2023
- TOKUSEN KOGYO CO., LTD.
- Woojin LEE
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SILVER POWDER FOR INK OR PAINT
- Publication number 20210031262
- Publication date Feb 4, 2021
- TOKUSEN KOGYO CO., LTD.
- Woojin LEE
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SILVER POWDER
- Publication number 20170333988
- Publication date Nov 23, 2017
- TOKUSEN KOGYO CO., LTD.
- Woojin LEE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRICALLY CONDUCTIVE FINE PARTICLES
- Publication number 20170326639
- Publication date Nov 16, 2017
- TOKUSEN KOGYO CO., LTD.
- Woojin LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLAKE-LIKE FINE PARTICLES
- Publication number 20160001362
- Publication date Jan 7, 2016
- TOKUSEN KOGYO CO., LTD.
- Woojin LEE
- H01 - BASIC ELECTRIC ELEMENTS