Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Inventors › Chang Yih-Jong
CY

Chang Yih-Jong

Overall (All Time): #2,283,949 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5382222 Massaging device — 1995-01-17
5143056 Massaging sleeve with magnetic protuberances — 1992-09-01

Nearby-Ranked Inventors

Lyle Burkholder2
Laurent Laloum2
Keiichi Tsukinari2
Helmut Scherner2
Josef Willing2
Brian L. Sutcliffe2
Gerd Pfister2
Robert L. Savage2
Marco Decao2