Inventor · disambiguated record
Shang-Jen Chang
Also filed as: CHANG SHANG-JEN
2 granted patents·2 pending applications·43 citations·filing 1996–2025
56Inventor score
Top patents by PatentIndex Score
4 records- 0161US5671859ADoor control device for a large garbage containerFiled 1996·Granted Sep 30, 1997·43 cites·1 claims
- 0247US2025382578A1Method for treating detrusor underactivity by using cell composition and method for preparing cell compositionMETATECH AP INC·Filed 2025·Application pending·0 cites
- 0342US2005252875A1Air inlet valve of a nipple used for a bottleSHEU MIIN-TSANG·Filed 2004·Application pending·0 cites
- 0440US11147832B2Pharmaceutical composition for prevention of recurrent urinary tract infectionTCM BIOTECH INT CORP·Filed 2020·Granted Oct 19, 2021·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →