Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298703 | Cartridge including photosensitive drum and developing roller that can be easily separated | Toshiaki Takeuchi, Hiroki Shimizu | 2025-05-13 |
| 12045004 | Cartridge including photosensitive drum and developing roller that can be easily separated | Toshiaki Takeuchi, Hiroki Shimizu | 2024-07-23 |
| 11835888 | Developing device, cartridge, image forming apparatus | Harunobu Maeda, Masahito Kato, Kodai Hayashi, Takuya Oka, Yu Akiba +3 more | 2023-12-05 |
| 11789401 | Cartridge including photosensitive drum and developing roller that can be easily separated | Toshiaki Takeuchi, Hiroki Shimizu | 2023-10-17 |
| 11493878 | Cartridge including photosensitive drum and developing roller that can be easily separated | Toshiaki Takeuchi, Hiroki Shimizu | 2022-11-08 |
| 11372348 | Developing device, cartridge, image forming apparatus | Harunobu Maeda, Masahito Kato, Kodai Hayashi, Takuya Oka, Yu Akiba +3 more | 2022-06-28 |
| 11188021 | Cartridge including an image bearing member and developer bearing member that can be easily separated | Toshiaki Takeuchi, Hiroki Shimizu | 2021-11-30 |
| 10928751 | Remanufacturing method for developing apparatus and cartridge | Yu Akiba, Toshiaki Takeuchi, Naoya Asanuma | 2021-02-23 |