Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375603 | Bag for packing powder, method of producing the same and method of producing film having holes constituting the bag | Isao Hata, Motoyuki Esaki, Hiroshi Suizu, Tatsuo Yamazaki | 2002-04-23 |
| 5409766 | Nonwoven fabric in an electret state and process for its production | Masayuki Mito, Yukihiro Takata, Satoshi Matsuura | 1995-04-25 |
| 5376218 | Device for manufacturing a filter | Masayuki Mito, Masayoshi Iidera | 1994-12-27 |