KS

Kei Saito

Ricoh Company: 3 patents #48 of 689Top 7%
Overall (2025): #55,732 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12422764 Toner container and image forming apparatus Hideo Yoshizawa, Yuki Oshikawa 2025-09-23
12222664 Developing device, process cartridge, and image forming apparatus including an entrance seal which contacts an image bearer Yoshihiro Fujiwara, Masaki Takahashi, Yuuki Tsuchiya 2025-02-11
12216418 Powder conveyance device and image forming apparatus including a conveyor and first and second conveyance tubes Naohiro Kawashima 2025-02-04