Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993781 | Method for making a lithium ion battery dischargeable to zero volts | Hisashi Tsukamoto, Clay Kishiyama, Hiroshi Nakahara, Tiehua Piao | 2011-08-09 |
| 7947092 | Battery with cathode having inactive materials | Hisashi Tsukamoto | 2011-05-24 |