Issued Patents All Time
Showing 101–106 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019364 | Method for purifying gaseous hydrides | Koichi Kitahara, Keiichi Iwata | 1991-05-28 |
| 4996030 | Method for cleaning exhaust gases | Koichi Kitahara, Noboru Akita, Tadashi Hiramoto, Kohhei Sasaki | 1991-02-26 |
| 4976942 | Method for purifying gaseous hydrides | Koichi Kitahara, Keiichi Iwata, Noboru Akita | 1990-12-11 |
| 4910001 | Method for cleaning gas containing toxic component | Koichi Kitahara, Noboru Akita, Kohhei Sasaki, Tadashi Hiramoto | 1990-03-20 |
| 4743435 | Method for cleaning exhaust gases | Koichi Kitahara | 1988-05-10 |
| 4731333 | Method for detecting gaseous hydrides | Koichi Kitahara | 1988-03-15 |