Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487944 | Non-woven fabric sheet separator material for storage batteries and method for making the same | Kazuhiro Ikeda, Yousuke Takai | 1996-01-30 |
| 5354617 | Non-woven fabric sheet separator material for storage batteries and method for making the same | Kazuhiro Ikeda, Yousuke Takai | 1994-10-11 |
| 5204197 | Separator material for storage batteries and method for making the same | Yousuke Takai, Toyohiko Sano | 1993-04-20 |
| 4594284 | Foundation for card clothing | Mutuo Nakagawa, Yasuyuki Uchida | 1986-06-10 |