Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643691 | Gas discharging device for batteries for use on electric vehicle | Kei Oshida, Masayoshi Okamoto | 1997-07-01 |
SI
Syuichiro Iwatsuki
Overall (1997): #73,103 of 185,788Top 40%
1
Patents 1997