Inventor · disambiguated record
John Tsang
Also filed as: TSANG JOHN · TSANG JOHN MOONG HUNG
1 granted patent·1 pending application·49 citations·filing 1995–2002
48Inventor score
Files withVISA U S A1
Top patents by PatentIndex Score
2 records- 0151US5780993ACombination battery charger and power source for electrically powered devicesFiled 1995·Granted Jul 14, 1998·49 cites·9 claims
- 0236US2003120593A1Method and system for delivering multiple services electronically to customers via a centralized portal architectureVISA U S A·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →