Optics & Imaging
| Sat 26 Sep 2026
Munich, Sept. 25 -- Etria Co Ltd has submitted a patent application for Developing Device, Process Cartridge, and Image Forming Apparatus. Kaku Yutaro, Kato Hiroaki, Kawasaki Akihiro, Nakagawa Shuichi, Matsuno Yasuhide and Otsuka Taira developed the invention.
The patent application number is EP20260152824 20260120. The paten..