Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tsu, JP ranks #2,589 worldwide for total patents filed all time, with 1,195 patents from 261 inventors. Leading employers of inventors based in Tsu, JP include Fujitsu Limited, Sumitomo Electric Industries, Toshiba Memory.

Showing 1–50 of 261 inventors

Rank Inventor Primary Company Patents
1 Shinji Saito Fujitsu Limited 279
2 Yoshinori Kitamura Sumitomo Electric Industries 31
3 Manabu Takakuwa Toshiba Memory 29
#4 Kenichi Fujimoto Nok 25
#5 Hiroshi Shiku Mie University 23
#6 Hiroyoshi Hidaka Asahi Kasei Kogyo Co. 22
#7 Shuhei Nakamura Pentax 21
#8 Takehiko Sawai Sei 20
#9 Kenji Ohkura Sumitomo Wiring Systems 17
#10 Takenori Yoshizawa Sharp Kabushiki Kaisha 16
#10 Hidetaka Mori Mitsubishi Electric 16
#10 Osamu Yokokoji Asahi Glass Co. 16
#13 Kazunori Urao Sei 15
#13 Nobuyuki Imanishi Samsung 15
#15 Yasuo Takeda National University Corporation University Of Toyama 14
#15 Shunsuke Hashimoto Panasonic 14
#17 Tatsuya Yokota Jtekt 13
#17 Akira Okamura Mitsubishi Gas Chemical Company 13
#19 Masaji Suzuki Sumitomo Wiring Systems 12
#19 Yoshimi Tanaka Fujitsu Limited 12
#19 Tadashi Fujioka Mita Industrial Co. 12
#22 Mitsuki Nagamoto Panasonic 10
#22 Hideto Miyake Sumitomo Chemical 10
#22 Tadashi Yoshimura Mazda Motor 10
#25 Toshiyuki Shibata Asmo Co. 9
#25 Haruhiko Mihara Panasonic 9
#25 Shiro Mori Panasonic 9
#28 Kanari Tani Unknown 8
#28 Seiko Nakano Canon 8
#28 Masamitsu Funaoka Japan Science And Technology Agency 8
#28 Yasushi Nishioka Tdk 8
#32 Michihiro Kawada Toyo Tire & Rubber Co. 7
#32 Soichi Ito Nec 7
#32 Tomoyasu Takase Panasonic 7
#32 Kenji Ookura Panasonic 7
#36 Satoshi Okumura Mie University 6
#36 Esteban C. Gabazza Mie University 6
#36 Yoshito SHIBATA Fuji Electric Co. 6
#36 Akiyoshi Onishi Mitsubishi Petrochemical Company Limited 6
#36 Hisaki Mayumi Sumitomo Wiring Systems 6
#36 Yasushi Akahori Mie University 6
#36 Akinobu Okamura Nippon Glass Fiber Co. 6
#43 Kazushi Ikeda Kabushiki Kaisha Toshiba 5
#43 Etsuo Tsujimoto Panasonic 5
#43 Kyouyu Yasuda Japan Synthetic Rubber 5
#43 Hong You Wang Teijin Seiki Co. 5
#43 Daiichi Sawabe Sharp Kabushiki Kaisha 5
#43 Syuji Kato Panasonic 5
#43 Tetsu Kobayashi Mie University 5
#43 Mitsuhiro Takagi Panasonic 5