Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688860 | Method for producing water-based pigment dispersion liquid and water-based ink for ink jet recording | Masahiro Kido, Shinichi Okada, Atsuo Kobayashi | 2017-06-27 |
| 9359514 | Ink jet recording water-based ink and method for producing the same | Yoshinosuke Shimamura, Hiroyuki Buei, Yukihiko Kawaharada, Shinichi Okada | 2016-06-07 |