Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985520 | Photoreceptor, image formation method, image forming apparatus and process cartridge | Hongguo Li, Kazukiyo Nagai, Tamotsu Horiuchi | 2011-07-26 |
| 7553796 | Phenol compound, reversible thermosensitive recording medium, reversible thermosensitive recording label, reversible thermosensitive recording member, image-processing apparatus and image-processing method | Satoshi Yamamoto, Kyoji Tsutsui, Hiromi Furuya | 2009-06-30 |
| 7456132 | Phenol compound, reversible thermosensitive recording medium, reversible thermosensitive recording label, reversible thermosensitive recording member, image-processing apparatus and imaging-processing method | Satoshi Yamamoto, Kyoji Tsutsui, Hiromi Furuya, Kunio Hayakawa, Shinya Kawahara +1 more | 2008-11-25 |
| 7419934 | Reversible thermosensitive coloring material and reversible thermosensitive recording material using the reversible thermosensitive coloring material | Satoshi Yamamoto, Hiromi Furuya | 2008-09-02 |