Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534952 | Spiral electrode group winding method and device and battery using them | Yasufumi Tanaka, Takeharu Nakanose, Yoshiki Osawa | 2003-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534952 | Spiral electrode group winding method and device and battery using them | Yasufumi Tanaka, Takeharu Nakanose, Yoshiki Osawa | 2003-03-18 |