Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117740 | Charging roller and image forming apparatus | Kaori OKUMOTO | 2024-10-15 |
| 11460789 | Charging roller and image forming apparatus | Kaori OKUMOTO | 2022-10-04 |
| 9057623 | Navigation device | Tsuyoshi Sempuku, Yoko Sano, Hiroshi Shigehara, Kotoyu SASAYAMA | 2015-06-16 |
| 8577603 | Navigation device | Masato Hirai, Yoko Sano, Tsuyoshi Sempuku, Kotoyu SASAYAMA | 2013-11-05 |
| 7697723 | Image recognition device | Shoji Tanaka | 2010-04-13 |