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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sendai, JP ranks #554 worldwide for total patents filed in 2018, with 234 patents from 135 inventors. Leading employers of inventors based in Sendai, JP include Japan Display, IBM, Hitachi Chemical Company.

Showing 1–50 of 135 inventors

Rank Inventor Primary Company Patents
1 Hiroyuki Kimura Japan Display 11
2 Nobuyuki Ohba IBM 7
2 Masato Yoshida Hitachi Chemical Company 7
#4 Seiji Takahashi Sumitomo Electric Industries 6
#4 Koichi Kondo Brother Kogyo 6
#4 Yoshitaka Kimura Mitsubishi Electric 6
#7 Kiyoshi Nakamura Hitachi 5
#7 Hiroshi Yabu Panasonic 5
#7 Tetsuo Endoh Tohoku University 5
#10 Makoto Motoyoshi Sony 4
#11 Kazuhiro Kosuge Seiko Epson 3
#11 Kohsuke Gonda Konica Minolta 3
#11 Yuta Nakano Canon 3
#11 Noriaki Ohuchi Konica Minolta 3
#11 Keizo Kinoshita Nec 3
#11 Akihiro Watanabe Kyocera Document Solutions 3
#11 Kenichi Uchida Nok 3
#11 Shunji Watanabe Seiko Instruments 3
#11 Shunsuke Fukami Nec 3
#11 Toshihiro Omori Tohoku University 3
#21 Kiyohito Ishida Unknown 2
#21 Hiroyasu Kataoka Fuji Electric Co. 2
#21 Keiko Izumi Nippon Shokubai Co. 2
#21 Michihiko Yamanouchi Tohoku University 2
#21 Kyoko Endo Igisu Co. 2
#21 Fumihiro Matsukura Tohoku University 2
#21 Issei Suzuki Fujifilm 2
#21 Shigetoshi Sugawa Canon 2
#21 Yuui Yokota Tohoku University 2
#21 Teiji Tominaga Tohoku University 2
#21 Norio Onodera Alps Electric Co. 2
#21 Toshihiro Ishii Ricoh Company 2
#21 Shigeyuki Sato Calsonic Kansei 2
#21 Rihito Kuroda Tohoku University 2
#21 Masahiko Fujii 2
#21 Akira Endo Hitachi 2
#21 Mika Watanabe Konica Minolta 2
#21 Kazumasa Makita Tokin 2
#21 Hironobu Hongou Toshiba Medical Systems 2
#21 Fumikazu Hoshi Ricoh Company 2
#21 Hiroto Kikuchi Nissan Motor Co. 2
#21 Noriyuki Terao Ricoh Company 2
#21 Yasuhiro SHOJI Tohoku University 2
#21 Yasuo Ando Tohoku University 2
#21 Hiroyuki Oguchi Fuji Electric Co. 2
#21 Hitoshi Nakata Fuji Electric Co. 2
#21 Akinobu Teramoto Tohoku University 2
#48 Kengo Yamaguchi Mitsubishi Electric 1
#48 Takashi Makino Seiko Epson 1
#48 Norihiro Sugita Tohoku University 1