CI

Chiaki Izumikawa

DC Dowa Mining Co.: 4 patents #36 of 324Top 15%
DC Dowa Iron Powder Co.: 3 patents #2 of 15Top 15%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,273,173 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6416726 Method for decomposing nitrogen fluoride or sulfur fluoride and decomposing reagent used therefor Kazumasa Tezuka, Kazuto Ito, Hitoshi Atobe, Toraichi Kaneko 2002-07-09
6294709 Process for decomposing fluorocarbons reagent and apparatus used therefor Kazumasa Tezuka, Kazuto Ito, Hitoshi Atobe, Toraichi Kaneko 2001-09-25
6022489 Reagent for decomposing fluorocarbons Kazumasa Tezuka, Kazuto Ito, Hitoshi Atobe, Toraichi Kaneko 2000-02-08
5630554 Method of separating and recovering valuable metals and non-metals from composite materials Hiroyuki Iwata, Shigehisa Endoh, Hitoshi Ohya 1997-05-20