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

Akinori Saitoh

Ricoh Company: 2 patents #82 of 689Top 15%
Overall (2025): #68,925 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12411429 Toner, developer, toner storage unit, image forming apparatus, and image forming method Akio Takei, Toma Takebayashi, Masahiro Yukikawa, Tomomi Harashima, Hiroshi Yamada 2025-09-09
12306580 Toner and production method thereof, and toner stored unit, image forming apparatus, and image forming method Hiroshi Yamada, Akio Takei, Yasuo Kamada, Toma Takebayashi 2025-05-20
12287605 Toner and production method thereof, toner stored unit, image forming apparatus, and image forming method Yasuo Kamada, Hiroshi Yamada, Akio Takei, Toma Takebayashi, Masahiro Yukikawa 2025-04-29