Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807874 | Collecting apparatus of floating dusts in atmosphere | — | 2004-10-26 |
| 6674528 | Method and apparatus for measuring suspended particulate matter | Motoaki Adachi, Kikuo Okuyama, Michio Higuchi, Haruo Shimaoka, Akihiro Fukai | 2004-01-06 |