Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680088 | Disconnection mechanism for a dark current fuse | Yoshinobu Seki, Kenichiro Kawaguchi, Akio Sugiyama, Ryuetsu Oikawa | 1997-10-21 |
| 5629663 | Disconnection mechanism for a dark current fuse | Yoshinobu Seki, Kenichiro Kawaguchi, Akio Sugiyama, Ryuetsu Oikawa | 1997-05-13 |
| 5488345 | Disconnection mechanism for a dark current fuse | Yoshinobu Seki, Kenichiro Kawaguchi, Akio Sugiyama, Ryuetsu Oikawa | 1996-01-30 |