Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291105 | Battery separator and method for manufacturing the same and battery | Hiroyuki Yamamoto, Shuuji Hori, Tomofumi Tanaka, Tatsunori Kida | 2001-09-18 |
| 5204197 | Separator material for storage batteries and method for making the same | Yousuke Takai, Isao Ikkanzaka | 1993-04-20 |