Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400782 | Corrosion monitoring system using a metal pipe for transmission of monitoring signals | Masashi Ishikawa, Masatoshi Shimada, Katsutomo Okamoto, Shigeyoshi Sugita, Masayuki Goto +1 more | 1983-08-23 |