Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8980467 | Storage battery | Yasuhide Nakayama, Eiji Hojo, Masashi Shiota, Shin Ohsaki, Shinichi Egami | 2015-03-17 |
| 7022433 | Negative active material, method of manufacturing its material, and lead acid battery | Ikumi Ban, Yoshihiro Eguchi | 2006-04-04 |