Membership
Tour
Register
Log in
Dongsoo Choi
Follow
Person
Ansan, KR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Sensor having tin oxide thin film for detecting methane gas and pro...
Patent number
6,059,937
Issue date
May 9, 2000
Korea Gas Corporation
Seok Keun Koh
G01 - MEASURING TESTING
Information
Patent Grant
Tinoxide thin film, preparation thereof, and gas detecting sensor u...
Patent number
5,989,990
Issue date
Nov 23, 1999
Korea Gas Corporation
Seok Keun Koh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...