Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11352515 | Manufacturing method of dispersion, pigment dispersion for ink jet recording, manufacturing method of pigment dispersion for ink jet recording, ink composition for ink jet, and manufacturing method of ink composition for ink jet | Yushi HONGO, Toshiyuki Makuta, Misato Sasada | 2022-06-07 |
| 10619052 | Iron oxide dispersion for ink jet recording, method of manufacturing the same, and ink jet recording method | Misato Sasada | 2020-04-14 |
| 7901805 | Magnetic recording medium and method of producing the same | — | 2011-03-08 |
| 7635499 | Method of manufacturing magnetic recording medium | — | 2009-12-22 |
| 7297363 | Method for producing magnetic recording medium | — | 2007-11-20 |
| 7172819 | Method for producing magnetic recording medium | — | 2007-02-06 |
| 7166317 | Method for manufacturing magnetic recording medium | — | 2007-01-23 |
| 6827968 | Process for producing magnetic recording medium | — | 2004-12-07 |
| 6680088 | Process for producing magnetic recording medium | Hiroyuki Kobayashi | 2004-01-20 |
| 6602576 | Magnetic recording medium | Kiyomi Ejiri | 2003-08-05 |
| 6582815 | Magnetic recording medium and manufacturing method of the same | Kiyomi Ejiri | 2003-06-24 |
| 6548160 | Magnetic recording media | Kiyomi Ejiri | 2003-04-15 |
| 6534168 | Magnetic recording medium comprising a lower layer containing specific flat acicular &agr;-iron oxide powder | Kiyomi Ejiri | 2003-03-18 |
| 6479131 | Magnetic recording medium | Kiyomi Ejiri, Masahiko Mori | 2002-11-12 |
| 6475598 | Magnetic recording medium | Kiyomi Ejiri, Masahiko Mori | 2002-11-05 |
| 6428884 | Magnetic recording medium | Kiyomi Ejiri | 2002-08-06 |
| 6372325 | Magnetic recording medium | Kiyomi Ejiri, Masatoshi Takahashi | 2002-04-16 |
| 6346310 | Magnetic recording medium | Tatsuo Ishikawa, Hiroaki Takano | 2002-02-12 |
| 6203934 | Magnetic recording medium | Kiyomi Ejiri, Naoto Abe | 2001-03-20 |
| 6074724 | Magnetic recording medium | Hiroo Inaba, Kiyomi Ejiri, Masaki Suzuki, Yuichiro Murayama, Hiroaki Takano | 2000-06-13 |
| 5955189 | Magnetic recording medium | Kiyomi Ejiri | 1999-09-21 |
| 5718964 | Magnetic recording medium | Kiyomi Ejiri, Hiroaki Takano | 1998-02-17 |
| 5480716 | Magnetic recording medium comprising ferromagnetic particles and a compound with a pyrimidine or tetrazaindene structure | Kiyomi Ejiri | 1996-01-02 |
| 5447782 | Magnetic recording medium having a specified thickness relationship between a nonmagnetic underlayer and overcoated magnetic layers | Hiroo Inaba, Kiyomi Ejiri | 1995-09-05 |