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

Zenshiro Uehara — 3 Patents

Overall (All Time): #1,677,773 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4586103 Electromagnetic control device for tape recorder 1986-04-29
4358804 Controllable drive for tape recorder 1982-11-09
4189079 Controllable drive for tape recorder 1980-02-19