Printing & Publishing
| Thu 27 Nov 2025
Alexandria, Nov. 28 -- DNP Fine Chemicals has secured a patent on Recording Method, and Ink Composition Used in Recording Method. Yoshimori Keishiro, Orikasa Yuka, Matsumoto Kisei, Utaka Koujun, Tamura Mitsuyoshi, Yamazaki Fumie and Shiraishi Naoki developed the invention.
The patent application number is US202118028587 2021093..