JK

Joe Ko

UM United Microelectronics: 4 patents #14 of 140Top 10%
📍 Baoshan, TW: #6 of 149 inventorsTop 5%
Overall (1997): #7,549 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5686321 Local punchthrough stop for ultra large scale integration devices Chih-Hung Lin 1997-11-11
5654569 Retarded double diffused drain device structure 1997-08-05
5646062 Method for ESD protection circuit with deep source diffusion Lee Chung Yuan 1997-07-08
5602049 Method of fabricating a buried structure SRAM cell Jemmy Wen 1997-02-11