Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7814732 | Liquid containing bag, liquid cartridge, image forming device, and sealing method and sealing apparatus for the liquid containing bag | Masami Iguchi, Moriaki Saitoh, Hideki Sugiyama, Kiyohiro Uehara | 2010-10-19 |
| 7287843 | Ink bag, ink cartridge and ink-jet recording apparatus, ink filling method, ink refilling method, manufacturing method of ink cartridge, and recycling method of ink cartridge | Masakazu Muranaka, Masato Suzuki, Masami Iguchi | 2007-10-30 |
| 7222948 | Liquid containing bag, liquid cartridge, image forming device and sealing method and sealing apparatus for the liquid containing bag | Masami Iguchi, Moriaki Saitoh, Hideki Sugiyama, Kiyohiro Uehara | 2007-05-29 |
| 6863386 | INK MIXING DEVICE, INK MANUFACTURING APPARATUS, METHOD FOR WASHING THE INK MANUFACTURING APPARATUS, METHOD FOR MANUFACTURING INK, INK, INK CARTRIDGE CONTAINING THE INK, IMAGE FORMING METHOD AND APPARATUS USING THE INK, AND PRINT IMAGE PRODUCED BY THE IMAGE FORMING METHOD AND APPARATUS | Shigeo Hatada, Masami Iguchi, Hiromitsu Mizuno | 2005-03-08 |
| 6261349 | Image recording method image recording apparatus and image recording acceleration liquid | Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki +2 more | 2001-07-17 |
| 6231652 | Aqueous ink compositions and ink-jet printing method using the same | Masayuki Koyano, Ikuko Yamada, Akio Kojima, Kiyofumi Nagai, Masato Igarashi +2 more | 2001-05-15 |
| 6120589 | Set of color ink compositions for ink-jet printing and method of forming color images using the color ink set | Akiko Bannai, Akio Kojima, Kiyofumi Nagai, Masato Igarashi, Masayuki Koyano +2 more | 2000-09-19 |
| 5993524 | Image recording method, image recording apparatus and image recording acceleration liquid | Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Bannai, Hiroyuki Mochizuki +2 more | 1999-11-30 |
| 5972082 | Aqueous ink composition and ink-jet printing method using the same | Masayuki Koyano, Ikuko Yamada, Akio Kojima, Kiyofumi Nagai, Masato Igarashi +2 more | 1999-10-26 |
| 5882390 | Recording ink composition and recording method using the same | Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki +2 more | 1999-03-16 |
| 5879439 | Recording ink composition and recording method using the same | Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki +2 more | 1999-03-09 |