Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Noboru Matsui Ngk Spark Plug Co. 1
1 Akihiko Suda Toyota Central R&D Labs 1
1 Kunihiro Uotani Ricoh Company 1
1 Hisayoshi Fujikawa Toyota Central R&D Labs 1