YS

Yi-Chung Sheng

UM United Microelectronics: 5 patents #8 of 140Top 6%
📍 Tainan, TW: #3 of 76 inventorsTop 4%
Overall (1997): #3,056 of 185,788Top 2%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5693551 Method for fabricating a tri-state read-only memory device Kuan-Cheng Su, Chen-Hui Chung 1997-12-02
5668030 Process for making identification alphanumeric code markings for mask ROM devices Chen-Hui Chung, Kuan-Cheng Su 1997-09-16
5668031 Method of fabricating high density flat cell mask ROM Chen-Chiu Hsue, Cheng-Hui Chung 1997-09-16
5654576 Post-titanium nitride mask ROM programming method and device manufactured thereby Chen-Chiu Hsue, Shing-Ren Sheu, Chen-Hui Chung 1997-08-05
5597753 CVD oxide coding method for ultra-high density mask read-only-memory (ROM) Shing-Ren Sheu, Kuan-Cheng Su, Chen-Hui Chung 1997-01-28