Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622093 | Method and system for predicting rapid motion in earth's crust on basis of electromagnetic field observation | Yukio Fujinawa, Kozo Takahashi | 2003-09-16 |
| 5426705 | Vehicle internal noise reduction system | Keitaro Yokota, Manpei Tamamura, Kazuyuki Kondo | 1995-06-20 |
| 5408532 | Vehicle internal noise reduction system | Keitaro Yokota, Manpei Tamamura, Eiji Shibata | 1995-04-18 |