SK

Syuntaro Koyama

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
BA Babcock-Hitachi: 1 patents #209 of 415Top 55%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,338,867 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4773917 Coal gasifier Atsushi Morihara, Mitsuhiro Matsuo, Hiroshi Miyadera, Jinichi Tomuro, Shunsuke Nogita +2 more 1988-09-27
4531949 Entrained flow coal gasification process Jinichi Tomuro, Tomohiko Miyamoto, Yoshiki Noguchi, Yukio Hishinuma 1985-07-30