Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479271 | Genes encoding desulfurization enzymes | Yoshitaka Ishii, Jin-emon Konishi, Kazuaki Hirasawa, Masanori Suzuki | 2002-11-12 |
| 6420158 | Gene encoding desulfurases | Yoshitaka Ishii, Jin-emon Konishi, Kazuaki Hirasawa, Masanori Suzuki | 2002-07-16 |
| 6383698 | Electrophotosensitive material using quinone derivative | Masaaki Yokoyama | 2002-05-07 |
| 6358654 | Toner and development unit and image forming apparatus using the same | Hiroshi Ito, Toshiya Takahata, Kazuhiro Ichikawa | 2002-03-19 |