Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5888916 | Wet-laid nonwoven fabric for battery separator, its production method and sealed type secondary battery | Yoshiyuki Tadokoro, Masaru Uesaka, Yoshinori Takata | 1999-03-30 |
| 5286553 | Composite sheet for fibrous reinforcing material | Keiichi Haraguchi | 1994-02-15 |