Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458452 | Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-10-01 |
| 6432508 | High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-08-13 |
| 6420030 | Black iron-based composite particles, process for producing the same, paint and rubber or resin composition containing the same | Kazuyuki Hayashi, Hiroko Morii | 2002-07-16 |
| 6416864 | Black magnetic composite particles for a black magnetic toner | Kazuyuki Hayashi, Hiroko Morii, Seiji Ishitani | 2002-07-09 |
| 6379855 | Black magnetic toner and black magnetic composite particles therefor | Kazuyuki Hayashi, Hiroko Morii, Seiji Ishitani | 2002-04-30 |
| 6352776 | Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-03-05 |
| 6351507 | Reproducing apparatus capable of generating clock signal synchronized in phase with reproduced data | Yoshiyuki Sasaki | 2002-02-26 |
| 6350505 | High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-02-26 |
| 6335407 | Deproteinized natural rubber and process for producing the same | Yuichi Hioki, Naoya Ichikawa | 2002-01-01 |