Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808499 | Lithium secondary battery | Ryo Nagai, Kazumi Yoshimitu, Kozo Kajita | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808499 | Lithium secondary battery | Ryo Nagai, Kazumi Yoshimitu, Kozo Kajita | 1989-02-28 |