Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175938 | Battery case employing ring sandwich | Hisashi Tsukamoto, Clay Kishiyama, Andrew Szyszkowski | 2007-02-13 |
| 7166388 | Brazed ceramic seal for batteries | Hisashi Tsukamoto, Clay Kishiyama, Andrew Szyszkowski | 2007-01-23 |
| 6607843 | Brazed ceramic seal for batteries with titanium-titanium-6A1-4V cases | Hisashi Tsukamoto, Clay Kishiyama, Andrew Szyszkowski | 2003-08-19 |