Patents/Inventors

Yumi Akiyama

TokyoJP1 patent

2 Patents

US121376142024
Piezoelectric Composition, Piezoelectric Element, Piezoelectric Device, Piezoelectric Transformer, Ultrasonic Motor, Ultrasonic Wave-generating Element, and Filter Element
TDK CORPORATION
0 cites
US120966952024
Piezoelectric Element, Piezoelectric Actuator, and Piezoelectric Transformer
TDK CORPORATION
0 cites