Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824925 | Method for manufacturing base for electrode plate, method for manufacturing positive electrode plate and alkaline storage battery | Yoshiyuki Muraoka, Yusuke Ozaki | 2004-11-30 |
| 6715523 | Multi-piece rim | Kentaro Oba, Satoru Miyashita | 2004-04-06 |