Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321863 | Bath towel for babies | Takumichi Yamaguchi, Keiko Hirasawa | 1994-06-21 |
| 5292042 | Waist bag | Takumichi Yamaguchi, Keiko Hirasawa | 1994-03-08 |
| 5195666 | Waist bag | Takumichi Yamaguchi, Keiko Hirasawa | 1993-03-23 |
| 5007119 | Infant's chair for shampooing | — | 1991-04-16 |