Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189909 | Device for measuring properties of underground water and method therefor | Takayasu Oike, Kazuhiko Endoh, Takashi Suzuki, Kazuhiro Watanabe, Jun Shimada +3 more | 1993-03-02 |