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

Koichi Tsuchiya

SG Sumita Optical Glass: 1 patents #1 of 2Top 50%
Overall (2025): #313,058 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12351502 Optical glass and optical element Hideaki Takaku 2025-07-08