Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6012401 | Water pipe protecting refractory structure | Norihiko Orita, Yuji Nakagawa, Tetsuo Takahashi, Chuhachi Goto, Yuzo Kawahara +3 more | 2000-01-11 |
| 5258930 | Piston ring wear diagnostic device and procedure therefor | Tadashi Fukuyoshi, Keizo Goto, Mikio Koga, Shoichi Kanegae | 1993-11-02 |
| 4333908 | Kit for determining silica-alumina catalyst in fuel oil | Hiroya Maki, Taketoshi Furusawa | 1982-06-08 |