YH

Yuji Hayasaka

SD Showa Denko: 2 patents #5 of 61Top 9%
SK Showa Denko K.K.: 1 patents #14 of 112Top 15%
Overall (2003): #18,626 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6649082 Harm-removing agent and method for rendering halogen-containing gas harmless and uses thereof Hitoshi Atobe, Yoshio Furuse 2003-11-18
6630421 Reactive agent and process for decomposing fluorine compounds and use thereof Hitoshi Atobe, Toraichi Kaneko, Shinichi Yano 2003-10-07
6563011 Reactive agent and process for decomposing fluorine compounds and use thereof Hitoshi Atobe, Toraichi Kaneko, Shinichi Yano 2003-05-13