Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 5,951–6,000 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Mieko Hara Sony 1
#5439 Naoshi Kobuya Sony 1
#5439 Kenichi Nishigaki Mitsubishi Kinzoku 1
#5439 Takumi Kaiya Fujitsu Frontech Limited 1
#5439 Katsuhiro Hotta Mitsubishi Hitachi Power Systems 1
#5439 Takashi Iwaki Canon 1
#5439 Masaaki Fukaya Japan Tobacco 1
#5439 Masanori Nozaki Oki Electric Industry Co. 1
#5439 Kiyoshi Fukui Oki Electric Industry Co. 1
#5439 Shuichi Yada Daiichi Sankyo Company, Limited 1
#5439 Wataru Naito Renesas Electronics 1
#5439 Ryo Egashira Hitachi 1
#5439 Kouji Funaoka Mitsubishi Electric 1
#5439 Wasuke Yanagisawa Yokowo Co. 1
#5439 Shuichi Miyamoto Mitsubishi Electric 1
#5439 Yoshitada Namikawa Keiwa Incorporated 1
#5439 Syota Kamiya Mitsubishi Electric 1
#5439 Renzo Kanda Mitsui Engineering & Shipbuilding Co. 1
#5439 Norio Nakaya Olympus 1
#5439 Naoto Fukuoka Olympus 1
#5439 Hirotaka EDA Olympus 1
#5439 Masatoshi Wada Nippon Hoso Kyokai 1
#5439 Kazuhiko Matsuo Kowa Company 1
#5439 Satoru Taniguchi Takara Kosan Co. 1
#5439 Minami Kikuta Marna 1
#5439 Genki Umeizumi Ricoh Company 1
#5439 Toshio Nishino Sharp Kabushiki Kaisha 1
#5439 Akio ICHIMURA Renesas Electronics 1
#5439 Yoshihiro NAGAI Renesas Electronics 1
#5439 Hideki Muramatsu Nagano Keiki Co. 1
#5439 Shun Hirai Morpho 1
#5439 Yoshitaka Tone Toyo Ink Sc Holdings Co. 1
#5439 Tomonori Nakajima Sony 1
#5439 Yoshihiro Mitsuhashi Nabtesco Automotive 1
#5439 Tomozou Tanaka Nec 1
#5439 Noboru Umenai IBM 1
#5439 Mikio Ohkoshi Hitachi 1
#5439 Yoshihiro Niiyama Nihon Kohden 1
#5439 Taiji Mitsuyama Furukawa Automotive Systems 1
#5439 Satoshi Hieda Nec 1
#5439 Nobutaka Kobayashi Mitsubishi Electric 1
#5439 Shohei Katayama Mitsubishi Electric 1
#5439 Hisamichi Sekine Mitsumi Electric Co. 1
#5439 Tomoyuki Kakinuma Koken Co. 1
#5439 Takuya Mukai Mitsubishi Electric 1
#5439 Naoko Imaizumi Nippon Kayaku 1
#5439 Katsunori Onuki Hitachi High-Technologies 1
#5439 Kohei Tarutani L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 1
#5439 Koshiro TAKANO Mitsubishi Electric 1
#5439 Kunihito Kawamura Hitachi-Johnson Controls Air Conditioning 1