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

Takemasa TSUTSUI

Ricoh Company: 1 patents #173 of 689Top 30%
Overall (2025): #197,244 of 469,880Top 45%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12332449 Light guide, optical unit, virtual image display device, and head-mounted display — 2025-06-17