Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HL

Haochieh Liu — 6 Patents

UMUnited Microelectronics: 5 patents #1,074 of 4,560Top 25%
WEWindbond Electronics: 1 patents #19 of 136Top 15%
Taipei, TW: #3,335 of 24,966 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Haochieh Liu has been granted 6 US patents while listed as an inventor at United Microelectronics. The first was granted in 2001 and the most recent in August 2006. Haochieh Liu ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Haochieh Liu in Taipei, TW.

Patents per Year

Patents granted per year, 2001 to 2006Bar chart with a peak of 2 patents in 2001.peak 22001: 2 patents20012002: 1 patents20022004: 1 patents20042005: 1 patents20052006: 1 patents2006

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7091052 Method of forming ferroelectric memory cell 2006-08-15 $1,805,000
6906377 Flash memory cell and fabrication thereof Chih-Jung Ni, Chung-Ming Chu, Tu-Hao Yu, Kuo-Chen Wang, Wen-Shun Lo 2005-06-14 $1,158,000
6828160 Method of forming ferroelectric random access memory cell 2004-12-07 $1,234,000
6352896 Method of manufacturing DRAM capacitor Hsi-Chuan Chen, Jung-Ho Chang, Hong-Hsiang Tsai, Li-Ming Wang, Sen-Huan Huang +2 more 2002-03-05 $1,349,000
6319820 Fabrication method for dual damascene structure 2001-11-20 $781,000
6291355 Method of fabricating a self-aligned contact opening Bor-Ru Sheu, Hsi-Chuan Chen, Sen-Huan Huang 2001-09-18