Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10797419 | Externally-attached PTC element and tubular battery | Makoto Sakaguchi | 2020-10-06 |
| 10658777 | Externally-attached PTC element and tubular battery | Makoto Sakaguchi | 2020-05-19 |