Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7348368 | Pigment-dispersed aqueous recording liquid and printed material | Shuichi Kataoka, Takashi Oyanagi, Kimihiko Ohya, Seiji Kamamasu | 2008-03-25 |
| 7214263 | Carbon black and recording liquid using the same | Shinichi Kanamaru | 2007-05-08 |