Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 3,501–3,550 of 11,174 inventors

Rank Inventor Primary Company Patents
#2191 Isao Wada Yamaha 2
#2191 Yasuyuki Tejima Pentax 2
#2191 Tatsuya Niimi Ricoh Company 2
#2191 Shunji Kuwahara Elpida Memory 2
#2191 Masafumi Kusakawa Sony 2
#2191 Ryo Hattori Mitsubishi Electric 2
#2191 Masakazu Takeda Tachi-S Co. 2
#2191 Masao Kamahori Hitachi 2
#2191 Ryo Shoda Toppan Printing Co. 2
#2191 Hiroki Shinkawata Mitsubishi Electric 2
#2191 Shinji Matsuo NTT 2
#2191 Tsutomu Watada Niles Parts Co. 2
#2191 Kamon Shirakawa Mochida Pharmaceutical Co. 2
#2191 Takuya Harakawa Private Access 2
#2191 Yasumasa Harihara Tdk 2
#2191 Goshi Shiroishi Hitachi-Lg Data Storage 2
#2191 Masahiro Kawarada Canon 2
#2191 Yoshinobu Umeda Canon 2
#2191 Hideki Sasaoka Casio Computer Co. 2
#2191 Takahiro Yamaji Japan Aviation Electronics Industry, Limited 2
#2191 Yasuhiro Kasahara Tanita 2
#2191 Tsunetoshi Saitoh Furukawa Electric Co. 2
#2191 Kenichi Fujino Yamaha Motor 2
#2191 Toshio Yokoyama Ebara 2
#2191 Hiroyuki Iwashita Hoya 2
#2191 Akio Nakamura Fujitsu Component Limited 2
#2191 Masanori Yasuyama Nippon Steel 2
#2191 Katsutoshi Ohno Sony 2
#2191 Toshiyuki Oga Nec 2
#2191 Hiroaki Taketani Micron 2
#2191 Masaharu Nojima Kanzaki Paper Manufacturing Co. 2
#2191 Tatsuhiko Tanimura Comcast 2
#2191 Kenji Kondou Japan Aviation Electronics Industry, Limited 2
#2191 Norio Ishitsuka Hitachi 2
#2191 Takanori Matsunaga Mitsubishi Electric 2
#2191 Hiroko Kobayashi 2
#2191 Makoto Tachibana Sony 2
#2191 Noriko Katayama Fujitsu Limited 2
#2191 Akira Gunji Hitachi 2
#2191 Toru Koike Canon 2
#2191 Takashi Sakuyama Thk Co. 2
#2191 Katsunari Obata Dai Nippon Printing Co. 2
#2191 Yuichi Fukuda 2
#2191 Toru Kagaya Hitachi Kokusai Electric 2
#2191 Minako Kawabe Canon 2
#2191 Tsuyoshi Kubota Nisca 2
#2191 Toru Mizuno Tdk 2
#2191 Shigeru Abe Jsr 2
#2191 Makoto Nagamine Kabushiki Kaisha Toshiba 2
#2191 Yasuyuki Kino Sony 2