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

Tooru Katayama

TETeac: 5 patents #69 of 440Top 20%
Asaka, JP: #138 of 378 inventorsTop 40%
Overall (All Time): #1,029,065 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D558817 Label printer with disc recorder 2008-01-01
D450670 Digital video disc player Masafumi Ito, Shigeru Hasegawa 2001-11-20
D448354 Digital video disc player Masafumi Ito, Shigeru Hasegawa 2001-09-25
D391571 Optical disc player Masafumi Ito, Shigeru Hasegawa, Keiji Tsunoda 1998-03-03
D357917 Remote controller for a disc recording/reproducing unit Masafumi Ito, Shigeru Hasegawa, Katsuhiro Takashima 1995-05-02