Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9987171 | Absorbent articles having a sensation aspect | Masaharu Nishikawa | 2018-06-05 |
| 8664467 | Absorbent articles with feedback signal upon urination | Donald Carroll Roe, Masaharu Nishikawa | 2014-03-04 |
| 8491558 | Absorbent article with impregnated sensation material for toilet training | Donald Carroll Roe, Masaharu Nishikawa | 2013-07-23 |
| 8057450 | Absorbent article with sensation member | Donald Carroll Roe, Gregory Ashton, Masaharu Nishikawa | 2011-11-15 |
| 7910797 | Absorbent articles having a sensation aspect | Masaharu Nishikawa | 2011-03-22 |