Inventor

HATANAKA TOMOAKI

JP2 patents

Patents

2 patents

US12313491B2May 27, 2025

Optical fiber bending loss measuring method

SUMITOMO ELECTRIC INDUSTRIES0 citations44

US12313490B2May 27, 2025

Bending-imparting device for measuring bending loss, and bending test device

SUMITOMO ELECTRIC INDUSTRIES0 citations44