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

Hisanaga Tsujimoto

KTKabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Overall (All Time): #2,315,568 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5034834 Cassette loading apparatus 1991-07-23
5005091 Cassette loading apparatus with single switch control 1991-04-02