Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777039 | Inkjet recording sheet | Kazuyuki Koike, Takashi Kobayashi, Katsuyoshi Suzuki | 2004-08-17 |
| 6743850 | Cationic polymer and inkjet recording sheet | Kousaku Yoshimura, Shigetomo Tsujihata | 2004-06-01 |
| 6635320 | Ink jet recording sheet | Yuichi Wakata, Mizuki Yamamoto | 2003-10-21 |