Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969484 | Manufacturing method and device for electret processed product | Masaaki Takeda | 2005-11-29 |
| 6485811 | Nonwoven fabric for pleated filters, and a production process therefor | Makoto Nishimura, Kaori Iwasaki | 2002-11-26 |