Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228188 | Recording and reproducing apparatus and a method thereof | Takafumi Ito | 2007-06-05 |
| 5687472 | Method of manufacturing a vacuum interrupter | Mitsutaka Honma, Hiromichi Somei, Tsuneyo Seki, Atsushi Yamamoto | 1997-11-18 |