Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Masashi Kato Toyota 1
1 Shinkichi Kashihara Sumitomo Riko Company Limited 1
1 Yasuyuki Furuta Ngk Insulators 1
1 Nobuyuki Hotta Ngk Spark Plug Co. 1