Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Inventors › Katsuji Tsutsumi
KT

Katsuji Tsutsumi

Overall (All Time): #2,283,023 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5580300 Method and apparatus for surface polishing — 1996-12-03
4959930 Washing machine — 1990-10-02

Nearby-Ranked Inventors

Kenn R. McEndarfer2
Kunio Fukami2
Tadamichi Hattori2
Michel Mussen2
Wai H. Chow2
Robert Fruchart2
Kenneth Johnston2
Hugh S. Isaacs2
Futoshi Sonoda2