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

Iwao Okazaki

Sumitomo Electric Industries: 1 patents #196 of 538Top 40%

Overall (2025): #358,813 of 469,880Top 80%

Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12291481	Method for manufacturing optical fiber	Yuuki Shibuya, Keisei MORITA	2025-05-06