Patents/Inventors

Takafumi Ohtsuka

OsakaJP3 patents

4 Patents

US123625302025
Optical Amplifier and Optical Communication System
SUMITOMO ELECTRIC INDUSTRIES, Ltd.
0 cites
US123455972025
Mode-dependent Loss Measurement Device and Mode-dependent Loss Measurement Method
SUMITOMO ELECTRIC INDUSTRIES, Ltd.
0 cites
US119278022024
Optical Module and Method for Manufacturing Optical Module
SUMITOMO ELECTRIC INDUSTRIES, Ltd.
0 cites
US118008022023
Radiation Device and Emission Cooling Device
OSAKA UNIVERSITY
0 cites