Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444934 | Driving force storing device for a switch operating mechanism | Mitsuyoshi Imura, Kyouichi Ohtuka | 2002-09-03 |
| 6348847 | Control device for breaker | Kyouichi Ohtsuka | 2002-02-19 |