Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7190134 | Torsional vibration suppressing method and apparatus in electric motor speed control system | Naotake Shibata, Masao Ikeguchi, Hirotaka Toujinbara | 2007-03-13 |
| 5820300 | CO.sub.2 sea bottom throw-away system | Masahiko Ozaki, Yuichi Fujioka, Osamu Tsukamoto | 1998-10-13 |
| 5755165 | Coal firing device | Toshiyuki Takegawa, Kimishiro Tokuda, Yoshinori Kobayashi, Takaharu Toyoda, Fumiya Nakashima | 1998-05-26 |
| 5544491 | Abyssal casting apparatus for liquefied carbonated gas | Masahiko Ozaki, Hiroshi Kikuchi, Osamu Tsukamoto, Masao Komatsu, Koetsu Asai | 1996-08-13 |
| 5331906 | Coal combustor and slag exhausting device therein | Yoshinori Kobayashi, Fumiya Nakashima, Kimishiro Tokuda | 1994-07-26 |