Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017807 | Tetrahydroxy compound, method for preparing the tetrahydroxy compound, and photoreceptor using the tetrahydroxy compound | Kazukiyo Nagai | 2011-09-13 |
| 7985520 | Photoreceptor, image formation method, image forming apparatus and process cartridge | Hongguo Li, Kazukiyo Nagai, Kyohji Okada | 2011-07-26 |