Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163037 | Aqueous ink, ink cartridge and ink jet recording method | Masayuki Ikegami, Masashi Yamamoto, Yoko Taira | 2024-12-10 |
| 10781329 | Aqueous ink, ink cartridge and ink jet recording method | Kenji Moribe, Masayuki Ikegami, Masashi Yamamoto, Yoko Taira | 2020-09-22 |