Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234363 | Aqueous ink, ink cartridge and ink jet recording method | Katsuhiro Hayashi, Tsuyoshi Furuse | 2025-02-25 |
| 10293628 | Recording medium and silane coupling agent | Isamu Oguri, Hisao Kamo, Tetsuro Noguchi, Naoya Hatta | 2019-05-21 |
| 10125284 | Aqueous ink, ink cartridge, and ink jet recording method | Keigo Gouda, Shin-ichi Hakamada, Hisao Kamo, Hitoshi Nagashima, Daiji Okamura +3 more | 2018-11-13 |
| 9416293 | Recording medium | Isamu Oguri, Hisao Kamo, Olivia Herlambang, Naoya Hatta, Shinya Yumoto | 2016-08-16 |
| 9393827 | Recording medium | Hisao Kamo, Isamu Oguri, Olivia Herlambang, Naoya Hatta, Shinya Yumoto | 2016-07-19 |