Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12282268 | Developing roll and developing device for use in image-forming apparatus using electrophotography | Norimasa HOSONUMA, Atsushi Ikeda, Yu AKAI, Satoshi Fukuoka, Kenji Sasaki | 2025-04-22 |
| 11934110 | Developing roll | Atsushi Ikeda, Satoshi Fukuoka, Kenji Sasaki | 2024-03-19 |
| 11921439 | Developing roll | Atsushi Ikeda, Kenji Sasaki | 2024-03-05 |
| 11714364 | Charging roll | Shogo Suzuki, Satoshi Hukuoka, Kenji Sasaki | 2023-08-01 |
| 11656558 | Charging roll | Shogo Suzuki, Satoshi Fukuoka, Kenji Sasaki | 2023-05-23 |
| 11635702 | Charging roll | Shogo Suzuki, Satoshi Fukuoka, Kenji Sasaki | 2023-04-25 |
| 11480886 | Charging roll | Asami Uematsu, Atsushi Ikeda, Shogo Suzuki, Satoshi Fukuoka, Kenji Sasaki | 2022-10-25 |