Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Yutaka Furukawa Asahi Glass Co. 2
2 Toshiya Otani Niles Parts Co. 1
2 Kozo Misumi Osaka Soda Co. 1
2 Masaaki Miyabe Fuji Oil Holdings 1
2 Kouichi Ishiihara Daicel Chemical Industries 1
2 Shizuo Maeda Daicel Chemical Industries 1
2 Takanobu Omaki Minolta 1
2 Tomeo Umemoto Kubota 1
2 Shinsuke Mita Sumitomo Metal Industries 1