Inventor · Yokkaichi, JP

Nobuyoshi Nambu

13Patents
4h-index
17Co-inventors
49Inventor score

Filing activity: Apr 16, 1999 → Mar 18, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6797338B2 Process for producing thin metal oxide film Emerging Cross-Sectional Technologies 13 Expired
US6869537B1 Metal chelate-forming fiber, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber Emerging Cross-Sectional Technologies 7 Expired
US6872317B1 Chelate-forming filter, process for producing the same, and method of purifying liquid using the filter Performing Operations; Transporting 7 Expired
US6875508B1 Fiber capable of forming metal chelate, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber Emerging Cross-Sectional Technologies 4 Expired
US6334944B1 Process for producing an amino acid-N,N-diacetic acid and its salts Chemistry; Metallurgy 4 Expired
US6194373A Liquid detergent composition Chemistry; Metallurgy 4 Expired
US6589453B1 Process for preparing a target for use in the production of a thin metal oxide film Emerging Cross-Sectional Technologies 4 Expired
US7625262B2 Material for purification of semiconductor polishing slurry, module for purification of semiconductor polishing slurry and process for producing semiconductor polishing slurry Chemistry; Metallurgy 3 Expired
US6168863A Metal chelate-forming fibers, process for producing the same, process for sequestering with the same, and filter produced therefrom Emerging Cross-Sectional Technologies 3 Expired
US6527931B2 Process for producing an amino acid-N, N-diacetic acid and its salts Chemistry; Metallurgy 1 Expired
US6200481A Chelate-forming fiber, process for preparing the same, and use thereof Emerging Cross-Sectional Technologies 1 Expired
US6548688B1 Diammonium ruthenium diethylenethriaminepentaacetate or hydrates thereof and process for the preparation of both Chemistry; Metallurgy 0 Expired
US6899826B2 Process for producing fluorescent metal oxide material Chemistry; Metallurgy 0 Expired

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