Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Piedek Technical Laboratory › Hirofumi Kawashima
HK

Hirofumi Kawashima

PLPiedek Technical Laboratory: 1 patents #1 of 1Top 100%
Overall (2023): #424,869 of 537,848Top 80%
1 Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11563406 Quartz crystal resonator, quartz crystal unit, and quartz crystal oscillator — 2023-01-24

Nearby-Ranked Inventors

Hilmi Gunes Kayacik1
Hideo Kawawaki1
Hiroyuki Kawaura1
Hiroshi Kawato1
Hiroki Kawaski1
Hiromitsu Kawase1
Hiroko KAWASAKI1
Hideya Kawasaki1
Hiraku Kawasaki1