Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593025 | Battery including pressure-sensitive current-interruption structure | — | 2003-07-15 |
| 6403250 | Pressure sensitive current breaker for a cell | Yoshinori Ishikawa, Yosuke Arimori | 2002-06-11 |
| 6392172 | Pressure-sensitive breaker for battery | — | 2002-05-21 |
| 6376120 | Current cutoff mechanism for cell | — | 2002-04-23 |
| 6296965 | Cell electrical path breaking mechanism | — | 2001-10-02 |
| 6287718 | Protection device and battery cell using this protection device | — | 2001-09-11 |
| 6274264 | Cell current cutoff mechanism | — | 2001-08-14 |
| 6248470 | Pressure sensitive ciruit breaker | Yoshinori Ishikawa | 2001-06-19 |
| 6232011 | Pressure sensitive circuit breaker | — | 2001-05-15 |
| 6228523 | Current path cut-off component of cell | — | 2001-05-08 |
| 6165637 | Current path cut-off mechanism | — | 2000-12-26 |
| 6120928 | Protection device and battery cell using this protection device | — | 2000-09-19 |
| 5773775 | Pressure actuated circuit breaker with frangible printed circuit board | — | 1998-06-30 |
| 5705290 | Secondary cell safety device including pressure release mechanism and current cutoff mechanism | — | 1998-01-06 |
| 4306216 | Variable resistor with click mechanism | Mayumi Sato | 1981-12-15 |