Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Masanori Ohsawa Daikin Industries 1
1 Kazuo Hirasawa Mitsubishi Electric 1
1 Toshiki Muramatsu Sky Aluminium Co. 1
1 Katsuhiro Obata Daido Chemical Co. 1