Thomas Liu has been granted 13 US patents while listed as an inventor at Acuson . The first was granted in 1987 and the most recent in December 2025. Thomas Liu ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Thomas Liu in Planada, CA, US.
Patents per Year Patents granted per year, 1987 to 2025 Bar chart with a peak of 2 patents in 1987. peak 2 1987: 2 patents 1987 1997: 1 patents 1997 1999: 1 patents 1999 2000: 1 patents 2000 2001: 1 patents 2001 2002: 2 patents 2002 2022: 2 patents 2022 2023: 1 patents 2023 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12511658 System and method for document management and collaboration Danial Sheikh , Laiba Mustafa , Sophia Yang , Manish Shah , Leah Khodak +1 more 2025-12-30
12334806 Hybrid power conversion system and control method Rui Liu , Songnan Yang 2025-06-17
11817770 Hybrid power conversion system and control method Rui Liu , Songnan Yang 2023-11-14
11539296 Hybrid power conversion system and control method Songnan Yang 2022-12-27
11451151 Hybrid power conversion system and control method — 2022-09-20
6363033 Method and apparatus for transmit beamformer system Christopher R. Cole , Albert Gee 2002-03-26
6338099 Device code recognizing circuit — 2002-01-08
6172939 Method and apparatus for transmit beamformer system Christopher R. Cole , Albert Gee 2001-01-09
6104673 Method and apparatus for transmit beamformer system Christopher R. Cole , Albert Gee 2000-08-15
$1,540,000
5995450 Method and apparatus for transmit beamformer system Christopher R. Cole , Albert Gee 1999-11-30
$1,490,000
5675554 Method and apparatus for transmit beamformer Christopher R. Cole , Albert Gee 1997-10-07
$8,211,000
4685123 Communication system having voice and data capability Richard Y. Hsia 1987-08-04
4646347 Ringing signal reformatting circuit — 1987-02-24
