Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485877 | Magnetic particles and magnetic carrier for electrophotographic developer | — | 2002-11-26 |
| 6465390 | Porous composite particles and process for producing the same | Tomoko Okita | 2002-10-15 |
| 6459012 | Method for treating organohalogen compound-containing soil or ash | Tomoyuki Imai, Satoshi Hatakeyama, Toshiki Matsui, Yasuhiko Fujii, Tomoko Okita | 2002-10-01 |