Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610437 | Closure assembly for sealed batteries | Shinji Tsurutani, Hideaki Yoshio, Kenjin Masumoto, Hideyuki Kobayashi | 2003-08-26 |
| 6524739 | Secondary battery | Yoshinori Iwaizono, Kenjin Masumoto, Katsuhiko Mori, Tomiya Ishimaru | 2003-02-25 |