Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 8,951–9,000 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Tomoyuki NARITA Zeon 1
#5439 Naoki Narisawa Asahi Kasei Chemicals 1
#5439 Ryuji Hosoda Softbank 1
#5439 Shuzo Tarumi Softbank 1
#5439 Yuichiro Taniguchi King Jim Co. 1
#5439 Shigenori Koga Mitsubishi Electric 1
#5439 Teruki Sukenari Nec 1
#5439 Yoichi Kajiro 1
#5439 Mafumi Morita Fujikoki 1
#5439 Tomomi Sakai Mitsui Chemicals 1
#5439 Mayumi Kobayashi Asahi Glass Co. 1
#5439 Rie Wada Koki Holdings Co. 1
#5439 Katsuhiko Nishiwaki Toyota 1
#5439 Hajime Onoda Kimmon Manufacturing Co. 1
#5439 Yoshiyuki Akiba Canon 1
#5439 Fujio Seki Fujitsu Component Limited 1
#5439 Hirotaka Akao Sony 1
#5439 Toyoaki Tanoue Hitachi High-Technologies 1
#5439 Norio Katsuyama Japan Tobacco 1
#5439 Naoyuki Nishibu Honda Motor Co. 1
#5439 Sadao Ishihama Furukawa Electric Co. 1
#5439 Kiyoteru Yamamoto Furukawa Electric Co. 1
#5439 Toyoaki Miyazaki Kabushiki Kaisha Toshiba 1
#5439 Jyun Wakabayashi Mitsubishi Gas Chemical Company 1
#5439 Ryoko Hirashima Asahi Kasei Kabushiki Kaisha 1
#5439 Hisatoshi Furuya Japan Oil, Gas And Metals National 1
#5439 Toshio Asai Fukuda Denshi Co. 1
#5439 Kunihiko Katano Stanley Electric Co. 1
#5439 Takashi Mizuno Mochida Pharmaceutical Co. 1
#5439 Yoshinori Izumi Agency For Science, Technology And Research 1
#5439 Koki Matsuyama Morinaga Milk Industry Co. 1
#5439 Hiroyuki Tanahashi Nippon Steel & Sumitomo Metal 1
#5439 Kentaro Saeki Bridgestone 1
#5439 Takuo Yokota Olympus 1
#5439 Tetsuya Mihara Nichia 1
#5439 Kiyoshi Matsutani Mitsubishi Electric 1
#5439 Masahiro Yabashi Bridgestone 1
#5439 Tsutomu Kumagai Jsr 1
#5439 Jyunya IIZUKA Hitachi Consumer Electronics Co. 1
#5439 Toshifumi Mori Canon 1
#5439 Yoshinobu Fujimoto Asahi Kasei Microdevices 1
#5439 Hideaki Tsuduki Lixil 1
#5439 Yugo Tokunaga Mitsubishi Electric 1
#5439 Sadanori Horikami Nippon Steel & Sumitomo Metal 1
#5439 Koichi Yanaba Duke University 1
#5439 Kazushi Shirasawa Mitsubishi Electric 1
#5439 Yoshiyuki Hiyama Hirose Electric Co. 1
#5439 Toshiyasu Higuma Mitsubishi Electric 1
#5439 Eiichi Nishina Sony 1
#5439 Kanako Nemoto Hitachi 1