Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638618 | Black composite iron oxide pigment, and paint and resin composition using the same | Kazuyuki Hayashi, Yusuke Shimohata, Hiroko Morii | 2003-10-28 |
| 6596071 | Organic and inorganic composite pigments, and paint and resin composition using the same | Kazuyuki Hayashi, Keisuke Iwasaki, Yusuke Shimohata, Hiroko Morii | 2003-07-22 |
| 6544647 | Non-magnetic composite particles, process for producing the same and magnetic recording medium using the same | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2003-04-08 |