Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688582 | Biodegradable filament nonwoven fabrics and method of manufacturing the same | Koichi Nagaoka, Shigetaka Nishimura, Fumio Matsuoka, Yasuhiro Yonezawa, Keiko Sakota | 1997-11-18 |