Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Manabu Sato Ngk Spark Plug Co. 10
1 Makoto Tanaka Denso 10
3 Atsushi Ueda Mitsubishi Electric 1
3 Kazunari Sakurai Central Japan Railway Comany 1