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

Yohichi Kitagawa

Ricoh Company: 2 patents #82 of 689Top 15%
Overall (2025): #72,850 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12416874 Toner, developer, toner accommodating unit, image forming apparatus, and image forming method Kenji Komito, Masayuki Ukigaya, Mitsuaki Hirose, Daisuke Inoue 2025-09-16
12353166 Toner, method for manufacturing the toner, toner accommodating unit, image forming apparatus, and image forming method Daisuke Inoue, Mitsuaki Hirose, Masayuki Ukigaya, Kenji Komito, Hiroshi Yamada 2025-07-08