Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 8,551–8,600 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Ryuji Tao Hitachi 1
#5439 Masatoshi Takeuchi Janome Sewing Machine Co. 1
#5439 Chihiro Yoshioka Hitachi High-Technologies 1
#5439 Masaaki Nishiguchi Mitsubishi Aircraft 1
#5439 Ryuji Yoshiyama Mitsubishi Electric 1
#5439 Satoshi Mitsuzuka Dai Nippon Printing Co. 1
#5439 Tomoyuki Takane W.L. Gore & Associates Gmbh 1
#5439 Suguru Katayama Ihi 1
#5439 Kimiyoshi Satoh Ihi 1
#5439 Kohhei Onda Hitachi Power Semiconductor Device 1
#5439 Keisuke Fukuda Fujitsu Limited 1
#5439 Shinichi Koyama Canon 1
#5439 Naoko Hirai Senju Metal Industry Co. 1
#5439 Shinji Ueki Paramount Bed Co. 1
#5439 Hiroshi Segawa Mitsubishi Electric 1
#5439 Masaki Odai Hitachi 1
#5439 Keiichi Zouta Mitsubishi Gas Chemical Company 1
#5439 Hiroaki Itoh Konica Minolta 1
#5439 Yukio Kenbou Hitachi 1
#5439 Akihiko Sawa Japan Communications 1
#5439 Mami TERAO Nihon Kohden 1
#5439 Takeyuki IMADU Hitachi 1
#5439 Rai Itou Yokogawa Electric 1
#5439 Rintaro Minamitani Hitachi 1
#5439 Ryuichi Noki Kao 1
#5439 Itsuo Yukie Ricoh Company 1
#5439 Toshimitsu Hayashi Hitachi 1
#5439 Akihisa Nakajima Konica Minolta Medical & Graphic 1
#5439 Fumio Kajiyama Tokyo Gas Co. 1
#5439 Keiko Kawabata Astellas Pharma 1
#5439 Kenchi Miyazaki Dwango Co. 1
#5439 Yuusuke Naruse Mitsubishi Electric 1
#5439 Haruhiko Sugisaki Ntt Docomo 1
#5439 Hiroyuki Tsurii Able 1
#5439 Masayuki Kenmochi Tanita 1
#5439 Keishi Miyagi Ricoh Imaging Company 1
#5439 Futoshi Nara Sankyo Holdings Co. 1
#5439 Chikako Nagasaki Daiichi Sankyo Company, Limited 1
#5439 Akiko Kaneta Hitachi 1
#5439 Takahiro Kusabe Daikin Industries 1
#5439 Kazuhiro Shigemoto 1
#5439 Yoshinori Kitagawa Kyowa Hakko Kirin Co. 1
#5439 Aritoki Kawai Sony 1
#5439 Shutaro Ichikawa Synaptics Japan Gk 1
#5439 Ko Katsurahara Kabushiki Kaisha Toshiba 1
#5439 Yuko Kiridoshi Jsr 1
#5439 Jeffrey M. Sharp, II ExxonMobil 1
#5439 Masakazu Okubo Mitsubishi Hitachi Power Systems 1
#5439 Saiji Matsuoka Jfe Steel 1
#5439 Toshio Yamaguchi Diesel Kiki Co. 1