Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888255 | Non-aqueous electrochemical cell | Kazumi Yoshimitsu, deceased, Shintaro Sekido, Kenya Kazehara, Toshikatsu Manabe | 1989-12-19 |
| 4808499 | Lithium secondary battery | Ryo Nagai, Kazumi Yoshimitu, Noboru Odani | 1989-02-28 |