HK

Hirofumi Kawashima

DS Daini Seikosha: 1 patents #11 of 50Top 25%
Overall (1982): #58,840 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355257 Thickness shear type piezoelectric vibrator with integral mounting Akira Watanabe, Yasunori Ebihara 1982-10-19