Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kamakura, JP ranks #394 worldwide for total patents filed all time, with 8,000 patents from 1,212 inventors. Leading employers of inventors based in Kamakura, JP include Canon, Pioneer, Fujitsu Limited.

Showing 1–50 of 1,212 inventors

Rank Inventor Primary Company Patents
1 Shinjiro Okada Canon 209
2 Kazuo Kuroda Pioneer 172
3 Masahiro Kataoka Fujitsu Limited 121
#4 Tsuneo Ogura Kabushiki Kaisha Toshiba 83
#5 Tsuneo Inaba Kabushiki Kaisha Toshiba 80
#6 Minoru Saito Kabushiki Kaisha Toshiba 78
#6 Daiji Nagaoka Isuzu Motors Limited 78
#8 Atsuhiro Kinoshita Kabushiki Kaisha Toshiba 75
#9 Yasushi Hara Fujitsu Limited 69
#10 Motohiro Suzuki Honda Motor Co. 68
#11 Tatsuo Hoshino Roche Vitamins 67
#12 Koichi Mizushima Kabushiki Kaisha Toshiba 66
#13 Hitoshi Iwai Canon 63
#14 Hiroyuki Takenaka Kabushiki Kaisha Toshiba 59
#15 Hitoshi Nobumasa Toray Industries 55
#16 Satoko Kozono Toray Industries 53
#17 Naoki Ishizaki Komatsu 50
#17 Hirohisa Miyamoto Kabushiki Kaisha Toshiba 50
#19 Fumio Hara Honda Motor Co. 49
#19 Satoshi Kondou Toray Industries 49
#19 Hiroko SUDO Toray Industries 49
#22 Takehiko Kawasaki Canon 48
#22 Masataka Watanabe Sumitomo Electric Industries 48
#24 Yoshinori Ogawa Sharp Kabushiki Kaisha 47
#25 Seiji Fujiwara Sumitomo Electric Industries 46
#26 Yoshinobu Kanemura Mitsui Toatsu Chemicals, Incorporated 45
#26 Tsukasa Tokutomi Kioxia 45
#28 Tadashi Uchiyama Isuzu Motors Limited 43
#29 Junpei KAWAUCHI National Cancer Center 42
#29 Atsushi Miyazawa Nissan Motor Co. 42
#31 Takashi Wakutsu Kabushiki Kaisha Toshiba 41
#31 Fusaoki Uchikawa Mitsubishi Electric 41
#33 Atsuo Otsuji Mitsui Chemicals 38
#33 Yoshio Hotta Canon 38
#35 Hirotomo Ishii Kabushiki Kaisha Toshiba 36
#36 Yasuhisa Ehara Ricoh Company 33
#37 Chojiro Higuchi Mitsui Toatsu Chemicals, Incorporated 32
#37 Hitoshi Iijima Mitsubishi Electric 32
#37 Norio Minami Eisai 32
#37 Eiichiro Takiyama Showa Highpolymer Co. 32
#37 Hiroaki Miura Nissan Motor Co. 32
#42 Masateru Ito Toray Industries 31
#43 Hikaru Osada Canon 30
#43 Takuto Moriguchi Canon 30
#43 Masaki Kado Toshiba Memory 30
#43 Kazuya Matsuzawa Kabushiki Kaisha Toshiba 30
#47 Isao Matsuoka Konica 29
#47 Yuichi Itoh Mitsui Chemicals 29
#49 Haruo Hashimoto Ricoh Company 28
#49 Kazuhiko Fukazawa Nikon 28