Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012915 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and chlorogallium phthalocyanine crystal and method for producing the same | Tsutomu Nishida, Masato Tanaka, Masataka Kawahara, Jumpei Kuno, Hidetoshi Hirano | 2018-07-03 |
| 9921499 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment | Shoma Hinata, Kazuko Sakuma, Tsutomu Nishida, Jumpei Kuno, Hirofumi Kumoi +4 more | 2018-03-20 |
| 9869032 | Manufacturing method of phthalocyanine crystal by milling crystal transformation for at least 1,000 hours | Masataka Kawahara, Masato Tanaka, Jumpei Kuno, Tsutomu Nishida | 2018-01-16 |