Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11942591 | Battery cell having welded battery cap | Kenjin Masumoto | 2024-03-26 |
| 11495854 | Battery cell having welded battery cap | Kenjin Masumoto | 2022-11-08 |
| 10673033 | Gasket and diaphragm for electrochemical cell | Kunio Tsuruta, Kenjin Masumoto | 2020-06-02 |