Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331281 | Process and apparatus for cleaning exhaust gas | Suehachi Teru, Yasusada Miyano, Kenji Otsuka, Takashi Shimada | 2001-12-18 |
| 5632964 | Cleaning method for exhaust gas containing ammonia and silane | Yasu Ishii | 1997-05-27 |
| 5597540 | Process for cleaning harmful gas | Toshiya Hatakeyama, Takashi Shimada, Keiichi Iwata | 1997-01-28 |
| 5378444 | Process for cleaning harmful gas | Toshiya Hatakeyama, Takashi Shimada, Keiichi Iwata | 1995-01-03 |
| 5363212 | Marker dot detecting device for color image recording apparatus | Kazuman Taniuchi, Hiroshi Sekine, Isao Kuwahara, Kiyomasa Endoh | 1994-11-08 |
| 4996030 | Method for cleaning exhaust gases | Koichi Kitahara, Takashi Shimada, Tadashi Hiramoto, Kohhei Sasaki | 1991-02-26 |
| 4976942 | Method for purifying gaseous hydrides | Koichi Kitahara, Takashi Shimada, Keiichi Iwata | 1990-12-11 |
| 4910001 | Method for cleaning gas containing toxic component | Koichi Kitahara, Takashi Shimada, Kohhei Sasaki, Tadashi Hiramoto | 1990-03-20 |