Inventor · Anyang-si, KR

Ok Sub Lee

7Patents
3h-index
34Co-inventors
53Inventor score

Filing activity: Nov 4, 1996 → May 29, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US7282522B2 Hydroxamic acid derivatives and the method for preparing thereof Chemistry; Metallurgy 8 Expired
US6916844B2 Hydroxy pyranone derivative and preparation method thereof Chemistry; Metallurgy 5 Expired
US7041304B2 Thermotropic liquid crystal polymer microcapsules, a method for preparing the same, and cosmetic compositions containing the same Human Necessities 3 Expired
US5723645A Method for preparing 3-aminopropane phosphoric acid Chemistry; Metallurgy 2 Expired
US6521662B2 Ceramide-like compounds having antioxidant property and a method for preparation thereof, and a cosmetic composition containing the same Chemistry; Metallurgy 1 Expired
US7943599B2 Sesamol derivatives or their salts, the process for preparing the same, and the skin external composition containing the same Human Necessities 0 Active
US7485750B2 Hydroxamic acid derivatives and the preparation method thereof Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.