Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331299 | Incombustible withdrawing system | Norihisa Miyoshi, Yasuhiro Sawada, Tatsuya Hasegawa | 2008-02-19 |
| 7159522 | Incombustible withdrawing system | Norihisa Miyoshi, Yasuhiro Sawada, Tatsuya Hasegawa | 2007-01-09 |
| 7128004 | Supplying apparatus for supplying combustible material, a gasification apparatus for gasifying combustible material and method for gasifying combustible material | Norihisa Miyoshi, Tatsuya Hasegawa, Katsutoshi Naruse, Yasuhiro Sawada | 2006-10-31 |
| 7025007 | Incombustible withdrawing system | Norihisa Miyoshi, Yasuhiro Sawada, Tatsuya Hasegawa | 2006-04-11 |