Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1084230 | Isolation valve | Sadanori Matsui, Takashi Kitagawa | 2025-07-15 |
| D1084231 | Isolation valve | Sadanori Matsui, Takashi Kitagawa, Hisashi Onoue | 2025-07-15 |
| 11739981 | Isolation valve | Sadanori Matsui, Takashi Kitagawa | 2023-08-29 |