Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681457 | Fiber surface fastener and method for finishing same | Mitsuhisa Okawa, Masashi Doi | 2004-01-27 |
| 6477750 | Surface fastener | Mitsuhisa Okawa | 2002-11-12 |
| 6464679 | Disposable diaper | — | 2002-10-15 |