Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454688 | Charging roll whose outermost layer contains grafted carbon | Hirofumi Okuda, Hiroyasu Kato, Hiroki Sugiura | 2002-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454688 | Charging roll whose outermost layer contains grafted carbon | Hirofumi Okuda, Hiroyasu Kato, Hiroki Sugiura | 2002-09-24 |