Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sendai, JP ranks #485 worldwide for total patents filed in 2020, with 300 patents from 180 inventors. Leading employers of inventors based in Sendai, JP include Tohoku University, IBM, Japan Display.

Showing 1–50 of 180 inventors

Rank Inventor Primary Company Patents
1 Tetsuo Endoh Tohoku University 13
2 Nobuyuki Ohba IBM 9
3 Hiroyuki Kimura Japan Display 6
#4 Seiji Takahashi Sumitomo Electric Industries 5
#4 Noriyuki Terao Ricoh Company 5
#4 Yoshitaka Kimura Mitsubishi Electric 5
#4 Hiroaki Honjo Tohoku University 5
#8 Toru Nakayama Canon 4
#8 Noriaki Ohuchi Konica Minolta 4
#8 Kohsuke Gonda Konica Minolta 4
#11 Katsuhiro Matsuda Canon 3
#11 Fumihiro Matsukura Tohoku University 3
#11 Rihito Kuroda Tohoku University 3
#11 Shigetoshi Sugawa Canon 3
#11 Mikihiko Oogane Tohoku University 3
#11 Koichi Hashimoto Fujitsu Limited 3
#11 Yuta Nakano Canon 3
#11 Shunsuke Fukami Nec 3
#11 Koichi Kondo Brother Kogyo 3
#11 Tomohiro Moriya Fuji Electric Co. 3
#11 Mika Watanabe Konica Minolta 3
#11 Yasuo Ando Tohoku University 3
#11 Hiroshi Yabu Panasonic 3
#11 Atsushi Tsuchida Yamaha 3
#11 Akihiro Watanabe Kyocera Document Solutions 3
#11 Hitoshi Nakata Fuji Electric Co. 3
#11 Akihiro Makino Alps Electric Co. 3
#11 Junichi Nishizawa Unknown 3
#29 Koichi Mikado Ykk 2
#29 Shunji Watanabe Seiko Instruments 2
#29 Takahiro Hanyu Tohoku University 2
#29 Tetsuo Kitabayashi Toto 2
#29 Itaru Honma Princeton University 2
#29 Masaaki Niwa Sumitomo Electric Industries 2
#29 Kengo Yamaguchi Mitsubishi Electric 2
#29 Hiroaki Shimokawa Tohoku University 2
#29 Yoshinao Nakagawa Daicel 2
#29 Toshiyuki Onodera Hamamatsu Photonics K.K. 2
#29 Toshihiro Ishii Ricoh Company 2
#29 Kazuhiro Kosuge Seiko Epson 2
#29 Akihiko Chiba Tohoku University 2
#29 Akihiko Hosono Mitsubishi Electric 2
#29 Michitaka Aita Tokyo Electron Limited 2
#29 Kuniaki Nagamine Japan Science And Technology Agency 2
#29 Hirokazu Fukidome Sumitomo Electric Industries 2
#29 Junichi Koike Advanced Interconnect Materials 2
#29 Satoshi TADOKORO Tohoku University 2
#29 Matsuhiko Nishizawa Tohoku University 2
#29 Tetsu Tanaka Sony 2
#29 Makoto Motoyoshi Sony 2