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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chuo, JP ranks #989 worldwide for total patents filed in 2017, with 138 patents from 60 inventors. Leading employers of inventors based in Chuo, JP include Toshiba Mitsubishi-Electric Industrial Systems, Murata Manufacturing Co., Mitsubishi Electric.

Showing 1–50 of 60 inventors

Rank Inventor Primary Company Patents
1 Yasuhiko Hosokawa Toshiba Mitsubishi-Electric Industrial Systems 11
2 Hiroyuki Kubo Murata Manufacturing Co. 8
2 Shinzo Tamai Mitsubishi Electric 8
#4 Kotaro Higashi Toshiba Mitsubishi-Electric Industrial Systems 7
#4 Sadao Funahashi Mitsubishi Electric 7
#6 Hirofumi Oba Bridgestone 6
#6 Tomohiko Furutani Uacj 6
#8 Naoko Ishikawa Bridgestone 5
#8 Jun Tamura Kabushiki Kaisha Toshiba 5
#8 Shoko Nagamoto Bridgestone 5
#8 Takuya Yotani Sekisui Medical Co. 5
#12 Takeshi Akiyama Canon 4
#13 Yuji Matsuoka Toshiba Mitsubishi-Electric Industrial Systems 3
#13 Hiroshi Masunaga Okamura 3
#15 Norimasa Hane Torex Semiconductor 2
#15 Jianren Zeng Dow Corning Toray Co. 2
#15 Ryota Kunieda Tdk 2
#15 Takeshi Morimoto Asahi Glass Co. 2
#15 Akinobu Ando Toshiba Mitsubishi-Electric Industrial Systems 2
#15 Masaki Kitahara NTT 2
#15 Yoshitaka Matsubara Kyoraku Co. 2
#15 Haruyuki Kimizuka Yakult Honsha 2
#15 Hisashi Mihara Astellas Pharma 2
#24 Keiichi Yoshihara Astellas Pharma 1
#24 Naoya Shinkawa Meidensha 1
#24 Yasuharu Kimura Astellas Pharma 1
#24 Takao NISHIURA Maruzen Petrochemical Co. 1
#24 Hirofumi Matsuoka Koyo Seiko Co. 1
#24 Haruhiko Horiuchi Kabushiki Kaisha Toshiba 1
#24 Satoshi Suwa Tsukishima Kikai Co. 1
#24 Yuya Terasawa Nippon Aerosil Co. 1
#24 Kenichi Katsuma Ferrotec 1
#24 Yuuji Yamaguchi Bridgestone 1
#24 Ichiro Kajiwara Jsr 1
#24 Naoki Morishima Toshiba Mitsubishi-Electric Industrial Systems 1
#24 Akiyoshi Seko Elpida Memory 1
#24 Kazuo Kanai Nihon Nohyaku Co. 1
#24 Daisuke Suzuki Otsuka Kagaku Kabushiki Kaisya 1
#24 Yutaka Kagaya Elpida Memory 1
#24 Mitsuru Fukagawa Kabushiki Kaisha Watanabe Shoko 1
#24 Kenichi Kadowaki Uacj 1
#24 Hidesato Kizaki Kao 1
#24 Shoichi Abe Nsk 1
#24 Susumu Yamaki Astellas Pharma 1
#24 Tingan Lee Toshiba Mitsubishi-Electric Industrial Systems 1
#24 Kousei Yoshihara Astellas Pharma 1
#24 Tomohisa Hirata Kao 1
#24 Yoshihiro Saeki Oki Electric Industry Co. 1
#24 Hiroyuki Koga Sysmex 1
#24 Yuriko Nemoto Sekisui Medical Co. 1