Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524383 | Method for manufacturing pigment dispersion, pigment dispersion obtained by this method, and ink jet recording ink using same | Hidehiko Komatsu, Hiroto Nakamura, Hitoshi Ohta, Kazuhiko Hara | 2003-02-25 |
| 6454846 | Ink composition suitable for use in ink jet recording | — | 2002-09-24 |
| 6234601 | Ink jet recording method and apparatus for forming an image on either plain paper or a specialty recording medium | Hiroko Hayashi, Yoshiyuki Ozawa, Masayuki Momose | 2001-05-22 |
| 6132502 | Pigment-base ink composition capable of forming images excellent in resistance to scuffing | — | 2000-10-17 |
| 6051057 | Ink jet recording ink | William Marritt | 2000-04-18 |
| 6004389 | Pigment ink composition capable of forming image having no significant bleeding or feathering | — | 1999-12-21 |
| 5746818 | Pigment ink composition capable of forming image having no significant bleeding or feathering | — | 1998-05-05 |
| 5616174 | Ink composition and ink jet recording method using the same | Miharu Kanaya, Akio Owatari, Junko Takatsuna, Hiroko Hayashi, Takashi Ono +2 more | 1997-04-01 |
| 5560770 | Ink composition for ink jet recording | — | 1996-10-01 |
| 5197060 | Dual substrate optical recording medium | — | 1993-03-23 |