Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874680 | Lithium secondary battery | Nobuharu Koshiba, Kenichi Takata | 1989-10-17 |
TI
Toshihiko Ikehata
Overall (1989): #49,021 of 140,708Top 35%
1
Patents 1989