Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366792 | Laminated three layer non-woven fabric with improved interface and process for producing the same | Ryutaro Shirayanagi, Masami Shimokawa | 1994-11-22 |
| 5306545 | Melt-blown non-woven fabric and laminated non-woven fabric material using the same | Ryutaro Shirayanagi, Akimi Saeki, Kazuhiro Masumoto | 1994-04-26 |