Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870770 | Aqueous ink, ink cartridge and ink jet recording method | Junichi Sakai, Akiko Tominaga, Mamiko Kaji, Takashi Imai | 2020-12-22 |
| 10688787 | Ink jet recording method and ink jet recording apparatus | Mamiko Kaji, Satoshi Takebayashi, Yuko Nishiwaki, Takashi Imai | 2020-06-23 |
| 10668728 | Ink jet recording method and ink jet recording apparatus | Hiroshi Tomioka | 2020-06-02 |
| 10525754 | Ink jet recording method and ink jet recording apparatus | Akiko Tominaga, Satoshi Takebayashi, Junichi Sakai | 2020-01-07 |