Patents by Inventor Luofa SU

Luofa SU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12596316
    Abstract: A developing cartridge includes a casing configured to accommodate developer and having a first side and a second side oppositely arranged in a first direction, and a third side and a fourth side oppositely arranged in the second direction, the first direction and the second direction being intersected with each other. The developing cartridge further includes a developing roller, positioned at the third side, for rotating around a first axis extending in the first direction; a coupling, positioned at the first side, for receiving driving-force output from an image forming device to rotate; a driving surface, inclined to the first direction, including a first driving surface and a second driving surface; a detected part, at least partially positioned at the second side, for moving according to rotation of the coupling.
    Type: Grant
    Filed: May 12, 2024
    Date of Patent: April 7, 2026
    Assignee: Zhuhai Ninestar Information Technology Co., Ltd
    Inventors: Xinyu Wu, Yuan Liu, Qin Luo, Hao Yang, Chen Cheng, Wenjie Zhao, Junyu Tao, Yu Chen, Baosheng Zhong, Mingdong Chen, Yinghao Li, Likun Zeng, Yongdi Chen, Luofa Su, Haoli Huang
  • Publication number: 20250334921
    Abstract: The present disclosure provides a developing cartridge. The developing cartridge includes a casing including a first side and a second side arranged oppositely in a first direction and including a third side and a fourth side arranged oppositely in a second direction intersecting the first direction; a developing roller positioned at the third side and rotatable around a first axis extending in the first direction; a coupling positioned at the first side for rotation; a light-emitting part capable of emitting light, where the light-emitting part is closer to the fourth side than the developing roller in the second direction; and an abutting part positioned at the second side.
    Type: Application
    Filed: January 17, 2025
    Publication date: October 30, 2025
    Inventors: Hailong MA, Wenjie ZHAO, Hao YANG, Xin LV, Xiaolong YANG, Haoli HUANG, Chen CHENG, Jiming ZHOU, Chaoxing LIU, Luofa SU, Xueliang LV, Lianjun WU, Xiaoming LIANG, Xinyu WU, Xianwen WANG
  • Publication number: 20240295837
    Abstract: A developing cartridge includes a casing configured to accommodate developer and having a first side and a second side oppositely arranged in a first direction, and a third side and a fourth side oppositely arranged in the second direction, the first direction and the second direction being intersected with each other. The developing cartridge further includes a developing roller, positioned at the third side, for rotating around a first axis extending in the first direction; a coupling, positioned at the first side, for receiving driving-force output from an image forming device to rotate; a driving surface, inclined to the first direction, including a first driving surface and a second driving surface; a detected part, at least partially positioned at the second side, for moving according to rotation of the coupling.
    Type: Application
    Filed: May 12, 2024
    Publication date: September 5, 2024
    Inventors: Xinyu WU, Yuan LIU, Qin LUO, Hao YANG, Chen CHENG, Wenjie ZHAO, Junyu TAO, Yu CHEN, Baosheng ZHONG, Mingdong CHEN, Yinghao LI, Likun ZENG, Yongdi CHEN, Luofa SU, Haoli HUANG