Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815986 | Methods for producing aqueous pigment dispersion liquid and water-based ink for ink jet recording | Kumiko Iizasa, Shinichi Okada | 2017-11-14 |
| 9688860 | Method for producing water-based pigment dispersion liquid and water-based ink for ink jet recording | Shinichi Okada, Atsuo Kobayashi, Soetrisno Misawa | 2017-06-27 |