Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MI

Mitoshi Ishii

IEIshii Tool & Engineering: 1 patents #1 of 1Top 100%
Usuki, JP: #1 of 4 inventorsTop 25%
Overall (1997): #29,817 of 185,788Top 20%
2 Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5657538 Method of centering integrated circuit lead frame 1997-08-19
5645393 IC stocker, IC unloading and positioning apparatus, and IC feed system 1997-07-08