Inventor · disambiguated record
Doo-Chan Na
Also filed as: NA DOO C · NA DOO-CHAN
3 granted patents·59 citations·filing 1995–2000
73Inventor score
Files withULSAN CHEMICAL CO LTD3
Top patents by PatentIndex Score
3 records- 0176US5495057AMethod for the preparation of difluoromethaneULSAN CHEMICAL CO LTD·Filed 1995·Granted Feb 27, 1996·20 cites·3 claims
- 0274US6162955AManufacturing method for perfluoroethaneULSAN CHEMICAL CO LTD·Filed 2000·Granted Dec 19, 2000·11 cites·2 claims
- 0371US6387340B1Manufacturing method for lithium hexafluoro phosphateULSAN CHEMICAL CO LTD·Filed 1999·Granted May 14, 2002·28 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →