Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209193 | Ink jet recording method and ink jet recording apparatus | Daiji Okamura, Satoru Kobayashi | 2025-01-28 |
| 11613129 | Aqueous ink, ink cartridge and ink jet recording method | Daiji Okamura, Naotoshi Miyamachi, Hiromitsu Kishi, Keisuke Inui, Naofumi Shimomura | 2023-03-28 |
| 11492483 | Aqueous ink, ink cartridge and ink jet recording method | Hiromitsu Kishi, Daiji Okamura, Naotoshi Miyamachi, Keisuke Inui, Naofumi Shimomura | 2022-11-08 |