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

Kazuaki Masui

Sumitomo Electric Industries: 1 patents #196 of 538Top 40%
SC Sumitomo Electric Optifrontier Co.: 1 patents #10 of 28Top 40%
Overall (2025): #323,587 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12204140 Gain flattening filter, and method for manufacturing gain flattening filter Shigehiro Nagano, Takemi Hasegawa, Jun Kinugasa 2025-01-21