Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783892 | Positive electrode active material for alkaline storage batteries, and positive electrode and alkaline storage battery using the same | Hiroyuki Sakamoto, Hidekatsu Izumi, Toru Inagaki | 2004-08-31 |
| 6706442 | Alkaline storage battery | Hiroyuki Sakamoto, Hidekatsu Izumi, Yoshio Moriwaki | 2004-03-16 |