AS

Akiyo Shimada

MC Mitsubishi Gas Chemical Company: 2 patents #789 of 1,727Top 50%
Overall (All Time): #2,216,981 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6432266 Process for bleaching chemical pulp simultaneously with chlorine dioxide, peroxide and a reaction catalyst Takamasa Fukushima, Tetsuo Koshitsuka, Yuh Miyauchi, Takahiro Cho 2002-08-13
6048437 Process for bleaching chemical pulp with chlorine dioxide, peroxide and Na.sub.2 M.sub.0 O.sub.4 as reaction catalyt Takamasa Fukushima, Tetsuo Koshitsuka, Yuh Miyauchi, Takahiro Cho 2000-04-11