Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688582 | Biodegradable filament nonwoven fabrics and method of manufacturing the same | Koichi Nagaoka, Fumio Matsuoka, Naoji Ichise, Yasuhiro Yonezawa, Keiko Sakota | 1997-11-18 |
| 5614298 | Biodegradable nonwoven fabrics and method of manufacturing same | Hiroshi Tanaka, Yoshiki Miyahara, Satoshi Kasetani, Kouji Esaki, Takashi Inoue | 1997-03-25 |
| 5609809 | Method of manufacturing biodegradable nonwoven fabrics | Hiroshi Tanaka, Yoshiki Miyahara, Satoshi Kasetani, Kouji Esaki, Takashi Inoue | 1997-03-11 |