Inventor · Seoul, KR

Dae W. Ihm

13Patents
4h-index
29Co-inventors
56Inventor score

Filing activity: Jul 23, 1993 → Dec 24, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5593738A Process for the preparation of composite semi-permeable membrane Performing Operations; Transporting 19 Expired
US5441590A Method for the preparation of prepreg of thermoplastic composite resin Emerging Cross-Sectional Technologies 14 Expired
US6013760A Soluble polyimide resin for liquid crystal alignment layer and process of preparation of the same Emerging Cross-Sectional Technologies 6 Expired
US6090976A Method for preparation 3-(hydroxyphenylphosphinyl)-propanoic acid Chemistry; Metallurgy 4 Expired
US6162893A Soluble polyimide resin having a dialkyl substituent for a liquid crystal alignment layer, the monomers and manufacturing methods thereof Physics 3 Expired
US5445778A Method for the production of aliphatic copolyester film Chemistry; Metallurgy 2 Expired
US5397828A Biaxially stretched polyester film Emerging Cross-Sectional Technologies 2 Expired
US5484861A Biodegradable copolyester and method for preparing the same Chemistry; Metallurgy 2 Expired
US7524367B2 Poly cross linked phthalocyanine compound for solar cell and ink composition comprising the same Chemistry; Metallurgy 2 Active
US5407981A Method for the preparation of copolyester elastomer having high viscosity Chemistry; Metallurgy 2 Expired
US5667930A Photoresist composition containing 4,6-(bis)chloromethyl-5-triazine initiator Physics 0 Expired
US7790889B2 DI-(4-vinylpyridine) metal phthalocyanine compound, composition comprising the same and preparation method thereof Chemistry; Metallurgy 0 Active
US7790880B2 DI-(1-Imidazole) metal phthalocyanine compound, composition comprising the same and preparation method thereof Chemistry; Metallurgy 0 Active

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