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

Kazuaki Ooka

Brother Kogyo: 2 patents #97 of 394Top 25%
Overall (2025): #110,857 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12332598 Cartridge including holder for holding electrical contact surface and method of recycling cartridge Nao Itabashi, Kazuya Kamikawa, Shuhei Hatano 2025-06-17
12197168 Developing cartridge including shaft and cam having cam surface Yuwen Wang, Junichi Hashimoto, Isao Kishi 2025-01-14