Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152087 | Boiler tube protector and a method for attaching such protector to a boiler tube | Toshio Shibata, Shigeo Ito, Kazuhiro Mizuno, Yasuhiro Terashima, Yuji Nakagawa +3 more | 2000-11-28 |
| 6136117 | Boiler tube protector and a method for attaching such protector to a boiler tube | Toshio Shibata, Shigeo Ito, Kazuhiro Mizuno, Yasuhiro Terashima, Yuji Nakagawa +3 more | 2000-10-24 |
| 6012401 | Water pipe protecting refractory structure | Yuji Nakagawa, Takeo Takaishi, Tetsuo Takahashi, Chuhachi Goto, Yuzo Kawahara +3 more | 2000-01-11 |
| 5261337 | Combustion control method of refuse incinerator | Hidetaka Ono, Masaharu Kira, Shizuo Yasuda | 1993-11-16 |