Patents/Inventors

Koichi Hatanaka

MatsumotoJP1 patent

2 Patents

US122823722025
Electronic Apparatus Having Portable Housing and Power Supply Circuit
SEIKO EPSON CORPORATION
0 cites
US116093412023
Electronic Timepiece, Satellite Signal Receiving Device, and Method for Controlling Satellite Signal Receiving Device
SEIKO EPSON CORPORATION
0 cites