Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879119 | Patch | Yutaka Konno, Hiroitsu Kawata, Masayoshi Aruga, Takashi Sonobe | 1989-11-07 |
| 4842577 | Plaster structural assembly for iontophoresis | Yutaka Konno, Takashi Sonobe, Shumpei Yamaguchi | 1989-06-27 |