Inventor

HAMADA SHIGETAKA

JP24 patents

⚠️ This page may combine multiple inventors who share the name “HAMADA SHIGETAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAMADA SHIGETAKA

TOYOTA MOTOR CO LTD

Diagnostic method for fuel cell

Fuel cell system

Power management system, server, and power supply and demand adjustment method

Separator for fuel cell, fuel cell and method of manufacturing fuel cell

Power management system, server, and power supply and demand adjustment

Server and power management method

Server and power management method

Server and power management method

Power management system, server, and power supply and demand adjustment method

Electric power system and server

Fuel cell system

LUMENTUM JAPAN INC

Semiconductor optical device and method for manufacturing the same

Semiconductor optical device

Semiconductor optical device

Semiconductor optical amplifier integrated laser

Semiconductor optical amplifier integrated laser

Semiconductor optical device and method for manufacturing the same

Optical semiconductor device

Optical semiconductor device

HAMADA SHIGETAKA

Method and apparatus for controlling the operation of a fuel cell

Fuel cell stack with improved resistance to flooding

Fuel cell

LUMENTUM OPERATIONS LLC

Semiconductor photodetector

MANABE KOTA

Fuel cell system which measures impedance