| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Optics | |
| #3 | Electrical machinery and energy | |
| #4 | Computer technology | |
| #5 | Semiconductors | |
| #6 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Electrography | |
| #3 | Special electric heating or lighting | |
| #4 | Semiconductor devices | |
| #5 | Data recognition and presentation | |
| #6 | Television |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ohno Seiji | 17 |
| #2 | Fujimoto Takashi | 2 |
| #3 | Furuichi Toshihiko | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2011274465A1 | Light-emitting device, light-emitting array unit, print head, image forming apparatus and light-emission control method | |
| US2010157011A1 | Light-emitting element array drive device, print head, image forming apparatus and signal supplying method | |
| US2010157010A1 | Light-emitting element head, image forming apparatus and light-emission control method |