Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694129 | Method of imminent earthquake prediction by observation of electromagnetic field and system for carrying out the same | Kozo Takahashi | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694129 | Method of imminent earthquake prediction by observation of electromagnetic field and system for carrying out the same | Kozo Takahashi | 1997-12-02 |