Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9952288 | Battery controller | Yohei Kawahara, Akihiko Kudou, Keiichiro Ookawa, Naoyuki Igarashi | 2018-04-24 |
| 9689926 | Battery controlling using charge state calculator and charge state verifier | Keiichiro Ohkawa, Youhei Kawahara, Naoyuki Igarashi, Yoshinori Aoshima | 2017-06-27 |