Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Haruhiko Yoneda Sanyo Electric Co. 2
2 Takao Takatsu Sanyo Electric Co. 1
2 Akira Hirakawa Hitachi 1
2 Hisashi Hashimoto Hitachi 1