HK

Hirofumi Kawashima

PL Piedek Technical Laboratory: 2 patents #1 of 1Top 100%
Overall (2019): #167,492 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10284143 Quartz crystal unit, quartz crystal oscillator and electronic apparatus 2019-05-07
10199556 Unit, oscillator and electronic apparatus 2019-02-05