Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237341 | Boiler scale collecting device before steam turbine | Masami Koike, Yoshitaka Uchida, Akihiro Sato, Eisaku Nakashima, Toshihiro Sato +2 more | 2001-05-29 |
| 6053118 | Pulverized fuel rich/lean separator for a pulverized fuel burner | Akiyasu Okamoto, Koutaro Fujimura, Hachiro Kawashima, Tadashi Gengo, Kouichi Sakamoto | 2000-04-25 |
| 5842426 | Pulverized fuel combustion burner having rich/lean separator | Hideaki Ohta, Akiyasu Okamoto, Kimishiro Tokuda, Koutaro Fujimura, Hachiro Kawashima +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, Hachiro Kawashima +3 more | 1998-11-03 |
| 5147509 | Headbox for a papermaking machine with distribution tubes | Yasuhiro Sueoka, Akira Equchi, Tetsuo Makino | 1992-09-15 |
| 5022787 | Method of returning geothermal gases to the underground | Mamoru Tahara, Shunsei Tazaki | 1991-06-11 |