Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RY

Ryo Yamada — 4 Patents in 2021

KSKyocera Document Solutions: 2 patents #83 of 479Top 20%
SSSumitomo Wiring Systems: 1 patents #197 of 474Top 45%
Toyota: 1 patents #1,392 of 3,956Top 40%
Overall (2021): #41,140 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11150578 Developing device having air discharge duct and image forming apparatus including the developing device Minoru Wada, Yuji Kamiyama, Ikuo Makie, Yu Sasaki, Yukari Ota 2021-10-19
11112730 Developing device allowing selection of a stirring/conveying member to be used from a plurality of types of stirring/conveying members with rotary shafts with different shaft-diameters and image forming apparatus therewith Yuji Kamiyama, Yu Sasaki, Ikuo Makie 2021-09-07
10998652 Shield terminal Shohei Mitsui, Liping Kang, Norihito Hashimoto, Motoki Kubota, Ai Hirano +3 more 2021-05-04
10987725 Decompression kneader 2021-04-27