Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–17 of 17 inventors

Rank Inventor Primary Company Patents
1 Misako Hirosue Semiconductor Energy Laboratory 4
2 Hidemitsu Takaoka Mitsubishi Materials 2
2 Sung-Gyoo Lee Mitsubishi Materials 2
2 Hiroshi Kitaguchi Hitachi 2
2 Itsuro Tajima Mitsubishi Materials 2
#6 Yoshiaki Tsukuda Mitsubishi Electric 1
#6 Yosuke Miyashita Mitsubishi Materials 1
#6 Hitoshi Inaba Mitsubishi Materials 1
#6 Akira Tojo Kabushiki Kaisha Toshiba 1
#6 Hidenori Namba Hitachi High-Technologies 1
#6 Taner Akbay Mitsubishi Materials 1
#6 Masahiro Yano Mitsubishi Materials 1
#6 Kenzo Nakamura Mitsubishi Materials 1
#6 Shin Fujiwara Hitachi 1
#6 Yasuyuki Furuta Hitachi 1
#6 Yasuhiko Kono Hitachi 1
#6 Kazuyoshi Tari Mitsubishi Materials 1