Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12312480 | Aqueous ink, ink cartridge and ink jet recording method | Akemi Watanabe, Yoshio Nakajima | 2025-05-27 | |
| 12084584 | Aqueous ink, ink cartridge and ink jet recording method | Hiromitsu Kishi, Tetsuya Kosuge | 2024-09-10 | |
| 11072720 | Aqueous ink, ink cartridge and ink jet recording method | Tsuyoshi Furuse, Naofumi Shimomura, Takayuki Horiuchi, Akemi Watanabe, Shoji Shiba | 2021-07-27 | $61,000 |