Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7635543 | Lead-acid battery and manufacturing method thereof | Junpei Yamashita | 2009-12-22 |
| 5547783 | Valve-regulated lead-acid battery | Katsuhiro Takahashi | 1996-08-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7635543 | Lead-acid battery and manufacturing method thereof | Junpei Yamashita | 2009-12-22 |
| 5547783 | Valve-regulated lead-acid battery | Katsuhiro Takahashi | 1996-08-20 |