Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758889 | Ink for ink-jet recording | Narumi Koga, Kazuma Goto, Naomichi Kobayashi, Michiko Aoyama, Shunichi Higashiyama | 2004-07-06 |
| 6743284 | Printing ink composition | Takahiro Norimatsu, Akihiko Taniguchi | 2004-06-01 |
| 6736499 | Ink set for ink-jet recording | Masateru Kawamura, Naomichi Kobayashi, Hideo Ohira, Shunichi Higashiyama | 2004-05-18 |
| 6648463 | Water base ink for ink-jet recording | Narumi Koga, Kazuma Goto, Naomichi Kobayashi, Michiko Aoyama, Shunichi Higashiyama | 2003-11-18 |
| 6523947 | Ink set for ink-jet recording | Narumi Koga, Kazuma Goto, Naomichi Kobayashi, Michiko Aoyama, Shunichi Higashiyama | 2003-02-25 |
| 6467875 | Ink-jet water-based ink set and ink-jet recording method | Narumi Koga, Kazuma Goto, Naomichi Kobayashi, Michiko Aoyama, Shunichi Higashiyama | 2002-10-22 |
| 6228156 | Water-based ink for ink jet printing and ink jet printing method | Shunichi Higashiyama | 2001-05-08 |
| 5938829 | Water based ink and ink-jet recording method | Shunichi Higashiyama, Takeo Kitahara, Hideto Yamazaki, Masahito Kato | 1999-08-17 |
| 5885336 | Recording ink, ink cartridge containing the same, and ink-jet recording method based on the use of the same | Takeo Kitahara, Hideto Yamazaki, Masahito Kato, Shunichi Higashiyama | 1999-03-23 |
| 5868823 | Water-based magenta ink composition and ink-jet recording process employing the same | Hideto Yamazaki, Takeo Kitahara, Masahito Kato, Shunichi Higashiyama | 1999-02-09 |
| 5861056 | Water-based magenta INK composition and ink-jet recording process employing the same | Hideto Yamazaki, Takeo Kitahara, Masahito Kato, Shunichi Higashiyama | 1999-01-19 |
| 5853468 | Water-based ink composition and ink-jet recording process employing the same | Hideto Yamazaki, Shunichi Higashiyama | 1998-12-29 |
| 5830264 | Water-based recording ink composition, and ink-jet recording process | Hideto Yamazaki, Shunichi Higashiyama | 1998-11-03 |
| 5810917 | Water-based recording magenta ink composition and ink-jet recording process | Hideto Yamazaki, Takeo Kitahara, Masahito Kato, Shunichi Higashiyama | 1998-09-22 |
| 5795375 | Water color ink for recording and ink-jet recording process | Hideto Yamazaki, Takeo Kitahara, Masahito Kato, Shunichi Higashiyama | 1998-08-18 |
| 5785744 | Water-based black recording ink, and ink-jet recording process making use of the same | Takeo Kitahara, Masahito Kato, Hideto Yamazaki | 1998-07-28 |
| 5755861 | Ink composition, process for its preparation, and ink-jet recording process | Hideto Yamazaki, Hidemasa Sawada, Masahito Kato | 1998-05-26 |
| 5667569 | Water-based ink and ink jet recording method using same | — | 1997-09-16 |
| 5637140 | Water-based ink composition and ink-jet recording process | — | 1997-06-10 |
| 5624483 | Hot melt ink utilizable for ink jet printer | — | 1997-04-29 |
| 5607501 | Hot melt ink utilizable for ink jet printer | — | 1997-03-04 |
| 5418561 | Ink jet printer having hot melt ink supplying device | — | 1995-05-23 |
| 5405438 | Hot melt ink for ink jet printers | — | 1995-04-11 |
| 5397388 | Hot melt ink for ink jet printers | — | 1995-03-14 |
| 5290346 | Ink for printer | — | 1994-03-01 |