Inventor · Shibukawa, JP

Jiro Okamoto

10Patents
7h-index
14Co-inventors
59Inventor score

Filing activity: Mar 18, 1981 → Jun 23, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5071880A Process for producing a bifunctional filter membrane having iminodiacetic acid groups Emerging Cross-Sectional Technologies 36 Expired
US5075342A Process for producing an ion exchange membrane by grafting non ion-selective monomers onto a ion exchange Emerging Cross-Sectional Technologies 26 Expired
US5743940A Process for producing gas adsorbent Emerging Cross-Sectional Technologies 25 Expired
US4897433A Process for producing an anti-thrombogenic material by graft polymerization Emerging Cross-Sectional Technologies 20 Expired
US4384941A Process for electrolyzing water Emerging Cross-Sectional Technologies 16 Expired
US4622366A Uranium adsorbing material and process for preparing the same Chemistry; Metallurgy 14 Expired
US4396727A Cation exchange membrane and process for producing the same Chemistry; Metallurgy 12 Expired
US4539277A Ion exchange membrane and process for producing the same Emerging Cross-Sectional Technologies 6 Expired
US4376021A Process for producing a water-soluble vinyl polymer Emerging Cross-Sectional Technologies 4 Expired
US4980335A Acidic gas adsorber having a metal phthalocyanine on an ion exchanger Performing Operations; Transporting 4 Expired

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