Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–17 of 17 inventors

Rank Inventor Primary Company Patents
1 Sadao Obana Advanced Telecommunications Research Institute International 4
2 Akio Hasegawa Advanced Telecommunications Research Institute International 3
2 Hiroyuki Yomo Nec Communication Systems 3
#4 Masazumi Ueba NTT 2
#4 Yoshihisa Kondo Kabushiki Kaisha Toshiba 2
#6 Yutaka Akahane National Institutes For Quantum Science And Technology 1
#6 Amane Miura Advanced Telecommunications Research Institute International 1
#6 Yuzo Nagumo Shimadzu 1
#6 Namio Nakazawa Unknown 1
#6 Shigehiko Nagamine Kyocera 1
#6 Shigeru Saito Advanced Telecommunications Research Institute International 1
#6 Yukinari Sato Sharp Kabushiki Kaisha 1
#6 Kenji Kitamoto Murata Manufacturing Co. 1
#6 Wuqiong Luo Advanced Telecommunications Research Institute International 1
#6 Satoshi Tsukamoto Daikin Industries 1
#6 Tomoaki Matsushima Panasonic 1
#6 Kenzo Danjo Sansha Electric Manufacturing Co. 1