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

Changhua Wang — 6 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
Tianjin, CN: #173 of 2,029 inventorsTop 9%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Changhua Wang has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 2020 and the most recent in October 2025. Changhua Wang ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Changhua Wang in Tianjin, CN.

Patents per Year

Patents granted per year, 2020 to 2022Bar chart with a peak of 2 patents in 2020.peak 22020: 2 patents20202021: 1 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12444602 Semiconductor device structure and methods of forming the same Wan-Yi Kao, Yuchung Lu 2025-10-14
12437996 Semiconductor patterning and resulting structures Chun-Ming Lung 2025-10-07
11434205 Substituted imidazole carboxylate derivatives and the use thereof Haijun Ma, Zhenbiao XIE 2022-09-06
11191829 Hepatitis B treatment vaccine base on inactivated whole recombinant Hansenula polymorpha cells which expresses HBsAg and HBcAg Hemu Wang, Jun Yang 2021-12-07
10821174 Recombinant Hansenula polymorpha-based high dosage hepatitis B vaccine Hemu Wang, Jun Yang 2020-11-03
10653772 Hepatitis B treatment vaccine on the basis of inactivated, whole recombinant Hansenula polymorpha cells expressing HBsAg Hemu Wang, Jun Yang 2020-05-19