Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Core

Core

US Patent D647848 · Granted Nov 1, 2011

Assignee

Delta Electronics

Inventors

Cheng-Ching Yen (2 patents)
Su-Chiung Hsu (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Magnetic element and bobbin thereof2014

Inductor assembly2013

Surface mount magnetic device2012

Magnetic element and magnetic core assembly having reduced winding loss2011

Transformer and assembling process thereof2008

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly