YH

Yuji Hayasaka

SD Showa Denko: 2 patents #110 of 593Top 20%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #1,610,109 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

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