Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10790501 | Lead-acid battery | Yasuyuki Hamano | 2020-09-29 |
| 10622634 | Lead-acid battery and method for producing lead-acid battery | Susumu OBUCHI | 2020-04-14 |
| 10608242 | Lead-acid battery | Eriko Sasaki | 2020-03-31 |
| 10573877 | Lead-acid battery, negative electrode plate thereof and method for producing lead-acid battery | — | 2020-02-25 |