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

Masao Shiosaki

Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Overall (All Time): #1,667,271 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4954918 Cassette transfer apparatus 1990-09-04
4912575 Apparatus for automatically changing an information memory medium 1990-03-27
4608681 Cartridge loading apparatus 1986-08-26