Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423445 | Alkaline battery separators | Koichi Kato, Kazuya Sato | 2002-07-23 |
| 6355375 | Alkaline battery separator and process for producing the same | Nobutoshi Tokutake | 2002-03-12 |
| 6348286 | Alkaline battery separator and process for producing the same | Kazuya Sato, Koichi Kato, Yasuhiro Ito, Hiroaki Yamazaki, Masaki Hirooka +1 more | 2002-02-19 |