Inventor · disambiguated record
Tsung-Jen Chang
Also filed as: CHANG TSUNG-JEN
3 granted patents·1 pending application·47 citations·filing 1998–2012
69Inventor score
Top patents by PatentIndex Score
4 records- 0169US6504343B1Charging systems for simultaneously charging notebook computers and portable devicesPRIMAX ELECTRONICS LTD·Filed 2002·Granted Jan 7, 2003·36 cites·14 claims
- 0241US2013008325A1Multi-linkage pressLIN YU-TING·Filed 2012·Application pending·0 cites
- 0339US6661199B2Power converters and related charging systemsPRIMAX ELECTRONICS LTD·Filed 2002·Granted Dec 9, 2003·2 cites·12 claims
- 0438US6006372ARinsing apparatus for toiletFiled 1998·Granted Dec 28, 1999·9 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →