Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12077454 | Water treatment apparatus management system and household water treatment apparatus | Riki Kitagawa | 2024-09-03 |
| 11829113 | Information processing device for optimizing filters that purify wastewater | Riki Kitagawa, Manabu NISHIO, Ryo Yamada | 2023-11-28 |
| 11713561 | Water treatment system | Riki Kitagawa, Manabu NISHIO, Ryo Yamada | 2023-08-01 |
| 11661352 | Water treatment apparatus management system and household water treatment apparatus | Riki Kitagawa | 2023-05-30 |