Issued Patents 2018
Showing 1–4 of 4 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, Jumpei Kuno, Kaname Watariguchi, Hidetoshi Hirano | 2018-07-03 |
| 9921499 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment | Kaname Watariguchi, Shoma Hinata, Kazuko Sakuma, Tsutomu Nishida, Jumpei Kuno +4 more | 2018-03-20 |
| 9869032 | Manufacturing method of phthalocyanine crystal by milling crystal transformation for at least 1,000 hours | Masato Tanaka, Jumpei Kuno, Tsutomu Nishida, Kaname Watariguchi | 2018-01-16 |
| 9864284 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hirotoshi Uesugi, Akihiro Maruyama, Hirofumi Kumoi, Masato Tanaka, Hiroyuki Tomono +6 more | 2018-01-09 |