Inventor · Seoul, KR

Il-Hoon Cha

25Patents
4h-index
26Co-inventors
59Inventor score

Filing activity: Aug 21, 2007 → Jun 16, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8242233B2 Manufacturing process for poly (arylene sulphide) Chemistry; Metallurgy 7 Active
US8957182B2 Polyarylene sulfide resin with excellent luminosity and preparation method thereof Chemistry; Metallurgy 5 Active
US8759478B2 Method for preparing polyarylene sulfide having reduced iodine content Chemistry; Metallurgy 5 Active
US9650515B2 Polyarylene sulfide resin composition and a preparation method thereof Chemistry; Metallurgy 4 Active
US9963543B2 Highly heat-resistant and highly transparent polycarbonate ester, and preparation method therefor Chemistry; Metallurgy 3 Active
US8859720B2 Method for preparing polyarylene sulfide Chemistry; Metallurgy 3 Active
US8309775B2 Method of preparing iodinated aromatic compounds Chemistry; Metallurgy 2 Active
US10738150B2 Highly heat-resistant and highly transparent polycarbonate ester, and preparation method therefor Chemistry; Metallurgy 2 Active
US8084654B2 Manufacturing process for iodinated aromatic compounds Chemistry; Metallurgy 1 Active
US9255183B2 Polyarylene sulfide having reduced outgassing and preparation method thereof Chemistry; Metallurgy 1 Active
US9249263B2 Recyclable polyarylene sulfide and preparation method thereof Chemistry; Metallurgy 1 Active
US7906694B2 Method of preparing mono-iodo benzene through transiodination Chemistry; Metallurgy 0 Active
US9975991B2 Highly heat-resistant and highly transparent polycarbonate ester, and preparation method therefor Chemistry; Metallurgy 0 Active
US11732089B2 Highly heat-resistant and highly transparent polycarbonate ester, and preparation method therefor Chemistry; Metallurgy 0 Active
US8674148B2 Manufacturing process for iodinated aromatic compounds Chemistry; Metallurgy 0 Active
US9670323B2 Method for separating volatile substances from material mixtures and device for producing polyarylene sulfides Performing Operations; Transporting 0 Active
US9562138B2 Method for separating volatile substances from material mixtures and device for producing polyarylene sulfides Performing Operations; Transporting 0 Active
US8883960B2 Polyarylene sulfide resin with excellent luminosity and preparation method thereof Chemistry; Metallurgy 0 Active
US9138730B2 Cation-exchanged zeolite catalyst and process for producing mono-iodo benzene through transiodination by using it Performing Operations; Transporting 0 Active
US8614362B2 Process for preparing iodinated aromatic compounds Performing Operations; Transporting 0 Active
US9163119B2 Method for preparing polyarylene sulfide with reduced free iodine content Chemistry; Metallurgy 0 Active
US9422401B2 Recyclable polyarylene sulfide and preparation method thereof Chemistry; Metallurgy 0 Active
US9567438B2 Method for separating volatile substances from material mixtures and device for producing polyarylene sulfides Performing Operations; Transporting 0 Active
US9546248B2 Polyarylene sulfide having excellent processability and preparation method thereof Emerging Cross-Sectional Technologies 0 Active
US9108180B2 Cation-exchanged zeolite catalyst and process for producing mono-iodo benzene through transiodination by using it Performing Operations; Transporting 0 Active

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