Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844994 | Chargeable electrochemical device | Nobuharu Koshiba, Keigo Momose | 1989-07-04 |
HK
Hayashi Kayakawa
Overall (1989): #137,231 of 140,708Top 100%
1
Patents 1989