Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
HH

Hiroshi Hosokawa

Ricoh Company: 3 patents #48 of 689Top 7%
DE Denso: 1 patents #312 of 1,056Top 30%
Overall (2025): #36,244 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, Kazuki Matsumoto, Hiroyuki Sugiyama 2025-07-01
12313987 Powder container with a nozzle receiver Shunji Kato, Shinji Tamaki, Hiroshi Ikeguchi, Seiji Terazawa, Junji Yamabe +4 more 2025-05-27
D1069896 Toner container Kazuki Matsumoto 2025-04-08
12191381 Semiconductor device Masanori Miyata, Yuuma Kagata, Yuki Yakushigawa, Masaru Senoo, Takaya Nagai 2025-01-07