Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898462 | Device for detecting a transmissivity of a substance | Koji Numata, Fumio Asakura, Yoshiyuki Kago, Masaei Nozawa, Hajime Akado +1 more | 1990-02-06 |
| 4831011 | Carbon-based adsorbent and process for production thereof | Yukio Oikawa, Kunio Okamoto | 1989-05-16 |