Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7781104 | Separator paper for alkaline battery and the alkaline battery | Yoshitada Hayashi, Masahiko Ueta | 2010-08-24 |
| 6379836 | Separator paper for alkaline-battery | Motoi Yamanoue, Akio Mizobuchi | 2002-04-30 |
| 4914548 | Electrolytic paper for electrolytic capacitor | Tetsushi Tamura, Tomoko Sasaki | 1990-04-03 |