Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637416 | Cylindrical battery | Fumihiko Yoshii, Hitoshi Mikuriya, Kaoru Okinaga, Masaru Watanabe | 1997-06-10 |
KO
Katsuhiro Okamoto
Overall (1997): #122,157 of 185,788Top 70%
1
Patents 1997