Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767333 | Separator for storage battery, storage battery and method of producing storage battery | Takuo Mitani | 2010-08-03 |
| 7597781 | Inorganic fiber paper | Yuji Katagiri, Shoji Sugiyama | 2009-10-06 |
| 5075184 | Sealed type lead acid storage battery | Akio Tanaka | 1991-12-24 |