Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nanbu, JP ranks #391 worldwide for total patents filed all time, with 8,041 patents from 1,154 inventors. Leading employers of inventors based in Nanbu, JP include Toshiba Tec Kabushiki Kaisha, Kubota, Fujitsu Limited.

Showing 1–50 of 1,154 inventors

Rank Inventor Primary Company Patents
1 Ken Iguchi Toshiba Tec Kabushiki Kaisha 188
2 Hiroyuki Taki Toshiba Tec Kabushiki Kaisha 176
3 Hirokazu Ito Kubota 137
#4 Yoshiharu Yabuki Fujitsu Limited 112
#4 Koki Nakamura Fujitsu Limited 112
#6 Tohru Kobayashi Hitachi 104
#7 Noboru Nitta Toshiba Tec Kabushiki Kaisha 76
#8 Tsuyoshi Sanada Toshiba Tec Kabushiki Kaisha 68
#9 Shuntaro Okazaki Toyota 65
#10 Toshiaki Oshiro Toshiba Tec Kabushiki Kaisha 59
#11 Hideyuki Nishida Toyota 58
#11 Wataru Sakurai Sumitomo Electric Industries 58
#13 Kenji Itagaki Toyota 56
#14 Sadatoshi Oishi Toshiba Tec Kabushiki Kaisha 55
#15 Takahito Kabai Toshiba Tec Kabushiki Kaisha 54
#15 Takayasu Aoki Toshiba Tec Kabushiki Kaisha 54
#17 Junichi Morimura Toyota 52
#18 Hitoshi Iizaka Toshiba Tec Kabushiki Kaisha 50
#19 Hiroki Furuta Toyota 49
#19 Shogo Ito Toyota 49
#21 Yasushi Suzuki Denso 48
#21 Shuji Yokoyama Toshiba Tec Kabushiki Kaisha 48
#23 Takuma Suzuki Kabushiki Kaisha Toshiba 47
#23 Ryota Saeki Toshiba Tec Kabushiki Kaisha 47
#25 Yuki Kawashima Toshiba Tec Kabushiki Kaisha 46
#26 Yusuke Hamada J.S.T. Mfg. Co. 45
#26 Naoki Ozawa Hitachi 45
#26 Naoaki Ide Kabushiki Kaisha Toshiba 45
#26 Tatsuya Sugano Toyota 45
#26 Hiromi Kanda Fujifilm 45
#31 Masahiro Ikuta Toshiba Tec Kabushiki Kaisha 44
#31 Hideaki Nishimura Toyota 44
#33 Tomohiro Shinagawa Toyota 42
#33 Shunichi Ono Toshiba Tec Kabushiki Kaisha 42
#35 Tomomi Iijima Toshiba Tec Kabushiki Kaisha 41
#35 Yasushi Kuribayashi Toshiba Tec Kabushiki Kaisha 41
#35 Haruyoshi Hino Yamaha Motor 41
#38 Yuichi Hioki Kao 39
#39 Kohei Tochigi Toyota 38
#39 Noriyoshi Hiraoka Sanshin Industries 38
#41 Yasuhiro Tamai Yazaki 37
#41 Nobuo Murofushi Toshiba Tec Kabushiki Kaisha 37
#41 Kazuhiko Ohtsu Toshiba Tec Kabushiki Kaisha 37
#41 Takayuki Iwamoto Toyota 37
#45 Daisuke Akihisa Toyota 36
#46 Kiyotaka Nihashi Toshiba Tec Kabushiki Kaisha 35
#46 Takayuki Sawada Toshiba Tec Kabushiki Kaisha 35
#48 Hiroyuki Shiraishi Sumitomo Chemical 34
#48 Mitsuo Uchimura Tokyo Electron Limited 34
#48 Masao Yano Toyota 34