Inventor · disambiguated record
Chi-San Sun
Also filed as: SUN CHI SAN
2 granted patents·1 citations·filing 2007–2007
29Inventor score
Technology areasE21B
Top patents by PatentIndex Score
2 records- 0132US7735550B2Throttle unit for dump bailer and method of blocking a water out zone in a production well utilizing the sameCPC CORP·Filed 2007·Granted Jun 15, 2010·1 cites·7 claims
- 0227US7694737B2Method of blocking water-out zone in a gas well by dumping cement and injecting pressurizing gasCPC CORP TAIWAN·Filed 2007·Granted Apr 13, 2010·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →