Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Yoetsu Shiina Hitachi Industrial Equipment Systems Co. 1
1 Akinobu Takeda Kuraray Co. 1
1 Hiroshi Ozawa Kuraray Co. 1
1 Youji Ono Kuraray Co. 1