Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kochi, JP ranks #869 worldwide for total patents filed all time, with 3,826 patents from 445 inventors. Leading employers of inventors based in Kochi, JP include Honda Motor Co., Tokyo Electron Limited, Seiko Epson.

Showing 1–50 of 445 inventors

Rank Inventor Primary Company Patents
1 Takeshi Matsumoto Honda Motor Co. 156
2 Takahiro Kitano Tokyo Electron Limited 113
3 Masami Akimoto Tokyo Electron Limited 103
#4 Kousuke Yoshihara Tokyo Electron Limited 95
#5 Yoshio Kimura Tokyo Electron Limited 89
#6 Taro Yamamoto Tokyo Electron Limited 88
#7 Takayuki Ishii Seiko Epson 85
#8 Yusuke Saito Tokyo Electron Limited 79
#9 Tadashi Nishiyama Honda Motor Co. 68
#10 Shuhei Goto Honda Motor Co. 60
#11 Nobuaki Matsuoka Tokyo Electron Limited 56
#12 Akio Kitamura Fuji Electric Co. 55
#12 Takashi Terada Mita Industrial Co. 55
#14 Takashi Uno Panasonic 52
#15 Masami Yamashita Tokyo Electron Limited 51
#15 Masaaki Ono Fujitsu Limited 51
#17 Satoshi Morita Tokyo Electron Limited 50
#17 Issei Ueda Tokyo Electron Limited 50
#19 Makoto Muramatsu Tokyo Electron Limited 49
#20 Yoshifumi Amano Tokyo Electron Limited 46
#20 Naruaki Iida Tokyo Electron Limited 46
#22 Suguru Enokida Tokyo Electron Limited 40
#22 Katsuhiro Morikawa Tokyo Electron Limited 40
#24 Osamu Hirakawa Tokyo Electron Limited 38
#25 Masato Hosaka Sumitomo Electric Industries 37
#26 Norihisa Koga Tokyo Electron Limited 34
#27 Hideharu Kyouda Tokyo Electron Limited 32
#28 Masaru Honda Tokyo Electron Limited 31
#29 Satoshi Okawa Canon 29
#30 Shuichi Nagamine Tokyo Electron Limited 28
#30 Hirofumi Takeguchi Tokyo Electron Limited 28
#32 Seiya Fujimoto Minebea Co. 25
#33 Tomohiro Iseki Tokyo Electron Limited 24
#34 Masatoshi Kaneda Tokyo Electron Limited 23
#35 Hiroaki Inadomi Tokyo Electron Limited 22
#35 Tsunenaga Nakashima Tokyo Electron Limited 22
#35 Yuichi Douki Tokyo Electron Limited 22
#38 Shigenori Kitahara Tokyo Electron Limited 21
#38 Keizo Hirose Tokyo Electron Limited 21
#38 Toyohisa Tsuruda Tokyo Electron Limited 21
#38 Satoru Shimura Tokyo Electron Limited 21
#42 Yuichi Terashita Tokyo Electron Limited 20
#42 Kouichirou Tanaka Tokyo Electron Limited 20
#42 Shigeaki Noumi Mitsubishi Electric 20
#45 Kazuhiro Aiura Tokyo Electron Limited 19
#45 Takashi Sasa Tokyo Electron Limited 19
#47 Isamu Miyamoto Tokyo Electron Limited 18
#48 Tooru Nakamura Mitsubishi Electric 17
#48 Tetsuo Fukuoka Tokyo Electron Limited 17
#48 Yoshitaka Otsuka Tokyo Electron Limited 17