Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9918882 | Tampon applicator and sanitary tampon | Yukihiro Ito, Kenta Taniguchi, Kouichi Yamaki, Akie Kinoshita | 2018-03-20 |
| 9439817 | Absorbent article and method for producing the same | Kiyoko Nishimura, Toshiyuki Tanio | 2016-09-13 |
| 9295589 | Water disintegratable leakproof sheet | Takayoshi Konishi, Koichi Yamaki | 2016-03-29 |
| 9119746 | Absorbent article and method of producing absorbent article | Kouichi Yamaki | 2015-09-01 |