Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Masayuki Imaoka Konica Minolta Opto 4
1 Kazuhiro Shibatani Konica Minolta Opto 4
3 Kazutaka Hirano Stella Chemifa 3
#4 Yasuji Ohshiro Sharp Kabushiki Kaisha 1
#4 Masahide Waki Stella Chemifa 1
#4 Kinya Kisoda Chugai Ro Co. 1
#4 Hajime Seri Sumitomo Electric Industries 1
#4 Noboru Ishikawa Max Co. 1