Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8960878 | Ink jet ink, ink jet recording method, and ink cartridge | Hirofumi Ichinose, Daiji Okamura, Kousuke Yamasaki, Mitsuru Ishii, Hiroshi Tomioka | 2015-02-24 |
| 8911071 | Ink jet ink, ink cartridge, and ink jet recording method | Daiji Okamura, Kousuke Yamasaki, Mitsuru Ishii, Hirofumi Ichinose, Hiroshi Tomioka | 2014-12-16 |
| 8757788 | Ink jet ink, ink cartridge, and ink jet recording method | Daiji Okamura, Kousuke Yamasaki, Mitsuru Ishii, Yoichi Takada, Hirofumi Ichinose +1 more | 2014-06-24 |
| 8641182 | Ink jet ink, ink cartridge, and ink jet recording method | Kenji Nishiguchi, Mitsuru Ishii, Sachie Furukawa, Daiji Okamura, Kousuke Yamasaki +3 more | 2014-02-04 |
| 8636839 | Ink jet ink, ink cartridge, and ink jet recording method | Kousuke Yamasaki, Daiji Okamura, Mitsuru Ishii, Hirofumi Ichinose, Hiroshi Tomioka | 2014-01-28 |
| 8163817 | Aqueous ink, ink set, image forming method and image forming apparatus | Hiroyuki Takuhara, Mikio Sanada, Daiji Okamura, Kenji Moribe, Satoshi Kudo | 2012-04-24 |
| 8016932 | Aqueous ink, ink set, image forming method and image forming apparatus | Daiji Okamura, Hiroyuki Takuhara, Mikio Sanada, Kenji Moribe, Satoshi Kudo | 2011-09-13 |
| 7758156 | Image forming method, image forming apparatus, and ink jet recording apparatus | Hiroyuki Takuhara, Hiroshi Tomioka, Minako Kawabe, Satomi Yanagimachi | 2010-07-20 |
| 7717991 | Inkjet ink, method for producing the same, ink cartridge, and inkjet recording method | Daiji Okamura | 2010-05-18 |
| 7637603 | Pigment ink, ink set, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method | Minako Kawabe, Hiroshi Tomioka, Hiroyuki Takuhara, Satomi Yanagimachi | 2009-12-29 |
| 7445666 | Ink jet ink, ink jet recording method, ink cartridge, ink set and image forming method | Satomi Yanagimachi, Hiroshi Tomioka, Hiroyuki Takuhara, Minako Kawabe | 2008-11-04 |