Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870770 | Aqueous ink, ink cartridge and ink jet recording method | Junichi Sakai, Tsuyoshi Kanke, Mamiko Kaji, Takashi Imai | 2020-12-22 |
| 10525754 | Ink jet recording method and ink jet recording apparatus | Tsuyoshi Kanke, Satoshi Takebayashi, Junichi Sakai | 2020-01-07 |