Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649921 | Paper diaper release part structure having an interfacial boundary constituted by a pressure-sensitive adhesive layer and a silicone-based release layer, a diaper containing a specific release part structure, and a method for reducing peeling noise | Masaaki Arakawa | 1997-07-22 |
| 5591521 | Z-shape pressure-sensitive adhesive tapes, and fastening system and sanitary absorptive articles using the tapes | Masaaki Arakawa, Yoshiaki Makihara | 1997-01-07 |