Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11613129 | Aqueous ink, ink cartridge and ink jet recording method | Daiji Okamura, Naotoshi Miyamachi, Hiromitsu Kishi, Hirohiko Yuasa, Naofumi Shimomura | 2023-03-28 |
| 11492483 | Aqueous ink, ink cartridge and ink jet recording method | Hiromitsu Kishi, Daiji Okamura, Naotoshi Miyamachi, Hirohiko Yuasa, Naofumi Shimomura | 2022-11-08 |