Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Kouichi Yamazaki Hitachi 2
2 Takaharu Tagashira 1
2 Shingo Satoh Toyota 1
2 Keizo Ohnishi Mitsubishi Electric 1
2 Ryuro Kurahashi Kawasaki 1