Preecha Bootwicha

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Saimai, TH

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Patents Grantslast 30 patents

Information Patent Grant
Proximity sensor with light blocking compound
- Patent number 9,835,716
- Issue date Dec 5, 2017
- HANA MICROELECTRONICS, INC.
- Vanapong Kwangkaew
- G01 - MEASURING TESTING
Information Patent Grant
Proximity sensor with light blocking compound
- Patent number 9,632,209
- Issue date Apr 25, 2017
- HANA MICROELECTRONICS, INC.
- Vanapong Kwangkaew
- G01 - MEASURING TESTING
Information Patent Grant
Proximity sensor with light blocking compound
- Patent number 9,442,216
- Issue date Sep 13, 2016
- HANA MICROELECTRONICS, INC.
- Vanapong Kwangkaew
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Proximity Sensor with Light Blocking Compound
- Publication number 20170067986
- Publication date Mar 9, 2017
- Vanapong Kwangkaew
- G01 - MEASURING TESTING
Information Patent Application
Proximity Sensor with Light Blocking Compound
- Publication number 20160282510
- Publication date Sep 29, 2016
- HANA MICROELECTRONICS, INC.
- Vanapong Kwangkaew
- G01 - MEASURING TESTING