Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6866380 | Ink set, ink jet recording method, recording unit, ink cartridge and ink jet recording apparatus | Yuko Yakushigawa, Yoshihisa Takizawa, Kumiko Mafune, Tsuyoshi Kanke | 2005-03-15 |
| 6843839 | Ink, recording method, recording unit, ink cartridge, ink set, and recording apparatus | Tsuyoshi Kanke, Takao Yamamoto, Kumiko Mafune, Yuko Yakushigawa | 2005-01-18 |
| 6706104 | Ink set, ink jet recording method, recording unit, ink cartridge, ink jet recording apparatus, bleed-alleviating method, and method for improving fixability of black image | Hiroyuki Takuhara, Yoshihisa Takizawa, Kumiko Mafune, Yoichi Takada, Noriyasu Asaki +2 more | 2004-03-16 |
| 6702882 | Ink set, ink jet recording method, recording unit, ink cartridge and ink jet recording apparatus | Yuko Yakushigawa, Yoshihisa Takizawa, Kumiko Mafune, Tsuyoshi Kanke | 2004-03-09 |
| 6652084 | Ink-set, ink-jet recording method, recording unit, ink-cartridge, ink-jet recording apparatus and bleeding reduction method using it | Yoichi Takada | 2003-11-25 |
| 6530656 | Color ink-jet recording ink set, ink-jet recording method, recording unit, ink-cartridge, ink-jet recording apparatus and bleeding reduction method | Yoshihisa Takizawa, Yoichi Takada, Yuko Yakushigawa | 2003-03-11 |
| 6474804 | Ink, ink set, ink-jet recording process, ink cartridge, recording unit and ink-jet recording apparatus | Koichi Osumi, Shinya Mishina, Yuko Takada | 2002-11-05 |
| 6454403 | Ink set for color ink-jet recording, and recording method, recording apparatus, ink cartridge, recording unit and reduction of bleeding, employing the ink set | Yoichi Takada, Yoshihisa Takizawa, Yuko Yakushigawa | 2002-09-24 |
| 6425662 | Ink set, ink-jet recording process, ink-jet recording apparatus, and method for alleviating formation of solid within common recovery-system unit | Shinya Mishina, Mikio Sanada, Koichi Osumi | 2002-07-30 |
| 6375317 | Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus | Koichi Osumi, Shinya Mishina, Mikio Sanada | 2002-04-23 |
| 6342095 | Ink set, and recording method and recording instrument using the same | Yoshihisa Takizawa, Koichi Osumi, Yoichi Takada | 2002-01-29 |
| 6332919 | Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method | Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada +1 more | 2001-12-25 |
| 6280513 | Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method | Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada +1 more | 2001-08-28 |
| 6281917 | Image forming process employing liquid composition and ink in combination | Ryuji Katsuragi, Mayumi Yamamoto | 2001-08-28 |
| 6221141 | Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus | Yoichi Takada, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Koichi Osumi | 2001-04-24 |
| 5976233 | Water-based pigment ink, and ink-jet recording method and instruments using the same | Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Ryuji Katsuragi | 1999-11-02 |
| 5865883 | Ink, ink cartridge and recording unit, ink-jet recording method and ink-jet recording apparatus | Akira Nagashima | 1999-02-02 |
| 5451251 | Ink, and ink-jet recording method and instrument using the same | Kumiko Mafune, Tsuyoshi Eida, Keiichi Murai, Yoshifumi Hattori, Mayumi Yamamoto +9 more | 1995-09-19 |