KM

Kazuki Matsumoto

Ricoh Company: 2 patents #82 of 689Top 15%
Canon: 1 patents #1,068 of 2,977Top 40%
TO Toyota: 1 patents #1,126 of 3,229Top 35%
Overall (2025): #33,946 of 469,880Top 8%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12346060 Developing device, process cartridge, and image forming apparatus Taira Otsuka, Hiroshi Hosokawa, Hiroyuki Sugiyama 2025-07-01
12333938 Information processing device 2025-06-17
12321130 Cartridge, process cartridge, and image forming apparatus Hiroki Shimizu, Osamu Anan 2025-06-03
D1069896 Toner container Hiroshi Hosokawa 2025-04-08