Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Masahiro Nemoto Hitachi High-Technologies 4
2 Hiroshi Hozoji Hitachi 3
2 Etsuko Nishimura Hitachi 3
#4 Yoshiro Mikami Hitachi 2
#4 Tsunehiro Endo Hitachi 2
#4 Shouhei Yoshida Hitachi 2
#7 Yuko Kajiyama Hitachi 1
#7 Hiroshi Kanazawa Pentax 1
#7 Yoshitaka Nakayama Wacom Co. 1
#7 Toshiro Mikami Hitachi 1
#7 Akihito Yano Hitachi 1
#7 Yuuichi Oota Casio Hitachi Mobile Communications Co. 1
#7 Naoya Mashiko Hitachi 1
#7 Tetsuo Fukuchi Hitachi 1
#7 Keizou Hirai Hitachi Chemical Company 1