Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419537 | Phthalocyanine colorant and use thereof for ink-jet printing | Takafumi Fujii, Shinichi Namba | 2008-09-02 |
| 7387668 | Azo compound, aqueous dye solutions containing the same, inks and use thereof | Yasuo Shirasaki, Takahiko Matsui, Hiroaki Ohno | 2008-06-17 |
| 7056374 | Aqueous ink composition, water-soluble dye composition and ink-jet recording method | Yasuo Shirasaki, Toru Tabei | 2006-06-06 |
| 6814776 | Iron base rare earth alloy powder and compound comprising iron base rare earth alloy powder and permanent magnet using the same | Hirokazu Kanekiyo, Satoshi Hirosawa, Toshio Miyoshi | 2004-11-09 |
| 6645283 | Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet printing | Hiroyuki Matsumoto, Takafumi Fujii, Yasuo Shirasaki | 2003-11-11 |
| 6589325 | Phthalocyanine compounds, water-base ink compositions and colored products | Yoshinori Katoh, Yasuo Shirasaki | 2003-07-08 |
| 5662943 | Fabrication methods and equipment for granulated powders | Osamu Yamashita, Tsunekazu Saigo, Seiichi Kohara, Hiroshi Hashikawa | 1997-09-02 |
| 5575830 | Fabrication methods and equipment for granulated powders | Osamu Yamashita, Tsunekazu Saigo, Seiichi Kohara, Hiroshi Hashikawa | 1996-11-19 |
| 5529603 | Alloy powders for bond magnet and bond magnet | Michio Yamashita, Yoshihiko Nishino, Toshihiro Hurukawa | 1996-06-25 |