Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899277 | Bore hole scanner with position detecting device and light polarizers | Yunosuke Iizuka, Takashi Ishii, Kouji Nagata, Yoshitaka Matsumoto, Osamu Murakami | 1990-02-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899277 | Bore hole scanner with position detecting device and light polarizers | Yunosuke Iizuka, Takashi Ishii, Kouji Nagata, Yoshitaka Matsumoto, Osamu Murakami | 1990-02-06 |