Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kagoshima, JP ranks #1,860 worldwide for total patents filed all time, with 1,762 patents from 469 inventors. Leading employers of inventors based in Kagoshima, JP include Canon, Semiconductor Energy Laboratory, Sharp Kabushiki Kaisha.

Showing 1–50 of 469 inventors

Rank Inventor Primary Company Patents
1 Yasuo Suda Canon 111
2 Naoaki Yamaguchi Semiconductor Energy Laboratory 64
3 Hirokazu Yoshida Sharp Kabushiki Kaisha 53
#4 Tooru Takahashi Kyocera 48
#5 Kenji Ohsawa Sony 43
#6 Masanori Baba Takeda Chemical Industries 41
#7 Hidetoshi Yamashita Ricoh Company 31
#8 Yasuo Nishiguchi Kyocera 29
#9 Hidenori Kamei Panasonic 27
#10 Shimpei OGAWA Mitsubishi Electric 26
#11 Shunji Haruta Shin Nippon Biomedical Laboratories 21
#11 Shigeki Uetabira Interman 21
#13 Hisashi Higuchi Makita 20
#13 Hideaki Iwano Seiko Epson 20
#15 Ryoichi Nagata Shin Nippon Biomedical Laboratories 19
#16 Hideo Yamagata Sony 17
#17 Tomoyuki Kusano Panasonic 16
#17 Takusei Sato Sony 16
#19 Masaki Waki Fujitsu Limited 15
#20 Hiroyuki Nozaki Honda Motor Co. 14
#20 Tatsuo Imafuku Sharp Kabushiki Kaisha 14
#22 Takashi Futatsuki Organo 13
#22 Hidekazu Otomaru Kyocera 13
#22 Toshio Okada Japan Atomic Energy Research Institute 13
#22 Takakazu Miyahara Elm 13
#22 Kenichi Ohhata Hitachi 13
#22 Takaaki Ando Sumitomo Metal Mining Co. 13
#28 Yoshifumi Yamagata Kyocera 12
#29 Akihiko FUNAHASHI Kyocera 11
#29 Michiya Sako Sony 11
#29 Hiromi Matsukizono Sakata Seed 11
#32 Katsuhito Kitahara Seiko Epson 10
#33 Norio Sonoda 9
#33 Hiromi Kitahara Panasonic 9
#33 Naooki Miyamoto Kyocera 9
#33 Takami Sakamoto Kyocera 9
#33 Atsuomi Fukuura Kyocera 9
#38 Naomi Miyaji Fujitsu Limited 8
#38 Hirohide Fukumoto Sony 8
#38 Kohichi Yamaguchi Konica 8
#38 Nobuyuki Matsuoka Brother Kogyo 8
#38 Masakazu Miyashita Citizen Watch Co. 8
#38 Takanori Kubo Kyocera 8
#38 Makoto Ide Kabushiki Kaisha Toshiba 8
#45 Kenichi Koya Sumitomo Electric Industries 7
#45 Satoshi Kitayama Sony 7
#45 Terukatsu Arima Dade International 7
#45 Hideto Motoshima Nec Lcd Technologies 7
#45 Keijiro Minami Kyocera 7
#45 Ikuro Maruyama Kagoshima University 7