Inventor · Koriyama, JP

Ikuo Hayashi

9Patents
4h-index
18Co-inventors
54Inventor score

Filing activity: May 1, 1984 → May 2, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4594409A Producing sequential polyamino acid resin Chemistry; Metallurgy 26 Expired
US6268452A Process for the production of allylamine polymer Chemistry; Metallurgy 6 Expired
US4525576A Process for producing sequential polyamino acid resin Chemistry; Metallurgy 5 Expired
US6395849B1 Processes for producing N,N-dialkylallylamine polymers and N,N-dialkyllylamine polymers Chemistry; Metallurgy 5 Expired
US6579933B1 Process for producing aqueous solution of monoallylamine polymer Chemistry; Metallurgy 1 Expired
US6787587B1 Process for the production of low-molecular-weight allylamine polymer or addition salt thereof Chemistry; Metallurgy 1 Expired
US11345640B2 Method and apparatus for producing AlN whiskers, AlN whisker bodies, AlN whiskers, resin molded body, and method for producing resin molded body Chemistry; Metallurgy 0 Active
US4559172A Process for acylation with novel acylating agent Human Necessities 0 Expired
US11939267B2 Method and apparatus for producing AlN whiskers, AlN whisker bodies, AlN whiskers, resin molded body, and method for producing resin molded body Chemistry; Metallurgy 0 Active

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