Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Hideo Nakagawa Sumitomo Electric Industries 7
2 Hiroyuki Komai Fujitsu Limited 3
2 Toyokazu Ota Felica Networks 3
#4 Naoto Takamura Suntory Flowers Limited 2
#5 Kouji Miyauchi Advantest 1
#5 Hiroji Ito Konica Minolta 1
#5 Nihei Kaishita Murata Manufacturing Co. 1
#5 Shuji Matsumoto Murata Manufacturing Co. 1
#5 Hideo Wakami Nippon Shokubai Co. 1
#5 Akihiko Imai IBM 1
#5 Satoshi Shindou Murata Manufacturing Co. 1
#5 Ryoichi Omote Murata Manufacturing Co. 1
#5 Shigenobu Sato Showa-Ika Kogyo Co. 1