Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420000 | Breast pump | — | 2025-09-23 |
| 12383661 | Manual breast pump | Sumiko Kuroishi, Katsutoshi Takahashi, Yoshihito Sugiyama | 2025-08-12 |
| 12220506 | Breast pump | Sumiko Kuroishi | 2025-02-11 |
| 12133942 | Manual breast pump | Katsutoshi Takahashi, Tatsuyuki Ishikawa | 2024-11-05 |
| 12016984 | Negative pressure transmitter and breast pump device using same | — | 2024-06-25 |
| 11168800 | Check-valve | Yuichiro Tanaka, Yoshihito Sugiyama | 2021-11-09 |
| 11123462 | Manual breast pump | — | 2021-09-21 |