Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466684 | Environment monitoring system | Kazuyuki Sasaki, Naoto Ishikawa, Masato Nakajima | 2002-10-15 |
| 6445809 | Environment monitoring system | Kazuyuki Sasaki, Naoto Ishikawa, Masato Nakajima | 2002-09-03 |