Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837582 | Method and apparatus for detecting electromagnetic waves generated by the earth's crust under strain | Kozo Takahashi, Hisao Inuki | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837582 | Method and apparatus for detecting electromagnetic waves generated by the earth's crust under strain | Kozo Takahashi, Hisao Inuki | 1989-06-06 |