Patents/Inventors

Tetsu Hirayama

TokyoJP3 patents

3 Patents

US123180702025
Endoscope
HOYA CORPORATION
0 cites
US121714042024
Endoscope
HOYA CORPORATION
0 cites
US115591872023
Multistage Pushbutton Switch Device and Multistage Pushbutton Switch Device for Endoscope
HOYA CORPORATION
0 cites