HK

Hachiro Kawashima

MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
Overall (All Time): #1,016,377 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8100992 Biomass gasification apparatus Masayasu Sakai, Toshiyuki Takegawa, Nobuaki Murakami 2012-01-24
6053118 Pulverized fuel rich/lean separator for a pulverized fuel burner Akiyasu Okamoto, Koutaro Fujimura, Tadashi Gengo, Kouichi Sakamoto, Mutsuo Kuragasaki 2000-04-25
6024030 Pulverized fuel combustion burner Akiyasu Okamoto, Kimishiro Tokuda, Koutaro Fujimura, Shouichi Kai, Tadashi Gengo +1 more 2000-02-15
5842426 Pulverized fuel combustion burner having rich/lean separator Hideaki Ohta, Akiyasu Okamoto, Kimishiro Tokuda, Koutaro Fujimura, Shouichi Kai +3 more 1998-12-01
5829367 Pulverized fuel combustion burner having a flame maintaining plate at a tip end portion of a pulverized fuel conduit Hideaki Ohta, Akiyasu Okamoto, Kimishiro Tokuda, Koutaro Fujimura, Shouichi Kai +3 more 1998-11-03