Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12142741 | Battery pack | Atsuhiro Kumagai, Shigeji Ikeda | 2024-11-12 |
| 11777155 | Battery pack | Atsuhiro Kumagai, Shigeji Ikeda | 2023-10-03 |
| 11462776 | Battery pack | Atsuhiro Kumagai, Shigeji Ikeda | 2022-10-04 |
| 10797362 | Battery pack | Atsuhiro Kumagai, Shigeji Ikeda | 2020-10-06 |
| D877076 | Rechargeable battery | Atsuhiro Kumagai | 2020-03-03 |
| 9799930 | Battery pack | Atsuhiro Kumagai, Shigeji Ikeda | 2017-10-24 |
| D788696 | Rechargeable battery | Atsuhiro Kumagai | 2017-06-06 |
| D749512 | Rechargeable battery | Atsuhiro Kumagai, Takeshi Ichimura, Yuki Okuno | 2016-02-16 |
| D744421 | Rechargeable battery | Atsuhiro Kumagai | 2015-12-01 |
| D741799 | Rechargeable battery | Atsuhiro Kumagai | 2015-10-27 |
| D741800 | Rechargeable battery | Atsuhiro Kumagai | 2015-10-27 |
| D741263 | Rechargeable battery | Atsuhiro Kumagai | 2015-10-20 |
| D711826 | Rechargeable battery | Atsuhiro Kumagai, Takeshi Ichimura, Yuki Okuno | 2014-08-26 |
| 8691412 | Battery pack | — | 2014-04-08 |
| D687777 | Rechargeable battery | Atsuhiro Kumagai, Takeshi Ichimura, Yuki Okuno | 2013-08-13 |