Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428760 | Method for desulfurizing exhaust gas | Hideyuki Michiki, Mitsuo Okada, Tetsu Shimatani, Fumio Hori | 2002-08-06 |
| 6041272 | Desulfurization process for flue gases | Hideyuki Michiki, Kozo Ohsaki | 2000-03-21 |
| 5237048 | Method for purifying polymer | Takanobu Shinohara, Tetsuo Maeda | 1993-08-17 |
| 5133913 | Method for producing a foamed resin using a blowing and extracting agent | Takanobu Shinohara, Tetsuo Maeda | 1992-07-28 |
| 5034132 | Method for extraction | Naoki Mizutani, Kazuoki Urabe, Kageo Yoshida, deceased, Osamu Nittani, Koji Hirano | 1991-07-23 |