Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11393643 | Electrochemical device and method of producing the same | Katsunori YOKOSHIMA | 2022-07-19 |
| 11315743 | Method of producing electrochemical device using two welding electrodes to weld lead plates | Katsunori YOKOSHIMA | 2022-04-26 |