Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790189 | Erection support ring | Katsuyoshi Kobayashi | 2004-09-14 |
| D420443 | Breast pump | — | 2000-02-08 |
| 5101991 | Nipple for nursing bottle | Yoshifumi Takao | 1992-04-07 |
| 4993568 | Nipple for nursing bottles | Yoshifumi Takao | 1991-02-19 |
| D307478 | Breast pump | — | 1990-04-24 |
| 4886494 | Milking apparatus | — | 1989-12-12 |
| D299537 | Breast pump | — | 1989-01-24 |