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

Mituhisa Nakayama

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #2,360,037 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4481618 Loading device for a recording and/or playback apparatus 1984-11-06
4479210 Record-disc player 1984-10-23