SI

Shigeyasu Ishigami

MM Mitsubishi Mining: 5 patents #132 of 2,247Top 6%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Overall (All Time): #760,564 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6475445 Calcium sulfide oxidation method and apparatus Yoshihiko Tsuchiyama, Yuichi Fujioka, Toshihiko Setoguchi, Katsuhiko Shinoda, Kenji Tagashira +1 more 2002-11-05
6245314 Calcium sulfide oxidation method Yoshihiko Tsuchiyama, Yuichi Fujioka, Toshihiko Setoguchi, Katsuhiko Shinoda, Kenji Tagashira +1 more 2001-06-12
5765365 Coal gasification power generator Yuichi Fujioka, Kimishiro Tokuda, Toshimitsu Ichinose, Yoshihiko Tsuchiyama, Fumiya Nakashima +1 more 1998-06-16
5517815 Coal gasification power generator Yuichi Fujioka, Kimishiro Tokuda, Toshimitsu Ichinose, Yoshihiko Tsuchiyama, Fumiya Nakashima +1 more 1996-05-21
5440873 Gasification-combined power plant Hiromichi Toda, Norihisa Kobayashi, Takaaki FURUYA, Jun Izumi 1995-08-15
5313781 Gasification-combined power plant Hiromichi Toda, Norihisa Kobayashi, Takaaki FURUYA, Jun Izumi 1994-05-24
5197277 Gasification-type combined electric power generating plant Takaaki FURUYA 1993-03-30