Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Eiji Kanda Seiko Epson 5
2 Shinji Mizuno Teikoku Tsushin Kogyo Co. 2
3 Reiko Muraki Murata Manufacturing Co. 1
3 Toshihiro Matsumura Sumitomo Electric Industries 1
3 Akio Uratani Panasonic 1
3 Haruo Mamiya Haier Group 1
3 Satoshi Ohaga Murata Manufacturing Co. 1
3 Mari Yaoi Murata Manufacturing Co. 1
3 Shin Saijou Murata Manufacturing Co. 1
3 Hideki Umetani Mitsui Chemicals Agro 1