YA

Yumi Akiyama

Tdk: 2 patents #1,902 of 3,796Top 55%
Overall (All Time): #1,780,120 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12137614 Piezoelectric composition, piezoelectric element, piezoelectric device, piezoelectric transformer, ultrasonic motor, ultrasonic wave-generating element, and filter element Hiroki Katoh 2024-11-05
12096695 Piezoelectric element, piezoelectric actuator, and piezoelectric transformer Yuiko Hirose, Hiroki Katoh 2024-09-17