Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747297 | Apparatus for analyzing particulates | Junji Okayama, Naoki Noguchi | 1988-05-31 |
| 4555931 | Apparatus for measuring or controlling the separation ratio of gas | Hiroji Kohsaka | 1985-12-03 |
| 4234255 | Combined motor means and rotational cell | Kozo Ishida, Osamu Saitoh | 1980-11-18 |