Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Suwa, JP ranks #390 worldwide for total patents filed all time, with 8,042 patents from 846 inventors. Leading employers of inventors based in Suwa, JP include Seiko Epson, Honda Motor Co., Toyota.

Showing 1–50 of 846 inventors

Rank Inventor Primary Company Patents
1 Takashi Takeda Seiko Epson 288
2 Yasushi Mizoguchi Seiko Epson 96
3 Mitsutoshi Miyasaka Seiko Epson 94
#4 Shin Fujita Seiko Epson 81
#5 Hidetoshi Yamamoto Seiko Epson 78
#6 Masao Murade Seiko Epson 76
#7 Takahiro Naka Seiko Epson 75
#8 Hiroshi Kiguchi Seiko Epson 72
#9 Takahiro Totani Seiko Epson 71
#9 Hiroyuki Yoshino Seiko Epson 71
#11 Hideki Sakano Seiko Epson 70
#12 Shinichi Wakabayashi Seiko Epson 69
#13 Kenichi Nakajima Seiko Epson 68
#14 Satoru Miyashita Seiko Epson 66
#15 Yoichi Miyasaka Seiko Epson 59
#15 Hiroshi Yoshimoto Seiko Epson 59
#17 Hiroyasu Kurashina Seiko Epson 58
#17 Yasunaga Miyazawa Seiko Epson 58
#19 Masahiko Tsuchiya Honda Motor Co. 56
#20 Tsutomu Nishiwaki Seiko Epson 55
#20 Masaharu Tanaka Toyota 55
#22 Noriyuki Fujimori Olympus 53
#23 Jiro Kato Seiko Epson 48
#23 Sadao Kanbe Seiko Epson 48
#25 Shinichi Yotsuya Seiko Epson 47
#26 Masayoshi Todorokihara Seiko Epson 46
#27 Yoshiyuki Maki Seiko Epson 45
#27 Takayuki Yonemura Seiko Epson 45
#29 Taisuke Yamauchi Seiko Epson 44
#29 Tomoe Aruga Seiko Epson 44
#29 Katsuyuki Morii Seiko Epson 44
#32 Hiroshi Koeda Seiko Epson 43
#32 Satoshi Chiba Seiko Epson 43
#34 Hitoshi Fukushima Seiko Epson 42
#34 Masashi Kitabayashi Seiko Epson 42
#34 Mitsuaki Teradaira Seiko Epson 42
#37 Shoichi Uchiyama Seiko Epson 41
#37 Atsushi Nakazawa Seiko Epson 41
#39 Shinsaku Kosuge Seiko Epson 40
#39 Yoichi Imamura Seiko Epson 40
#41 Hirokazu Yamano Seiko Epson 38
#42 Takashi Tamai Ricoh Company 37
#42 Atsushi Nishioka Seiko Epson 37
#42 Kazuaki Sakurada Seiko Epson 37
#42 Shuji Yonekubo Seiko Epson 37
#46 Yoshiki Kinoshita Seiko Epson 36
#46 Tomomi Kawase Seiko Epson 36
#48 Hisashi Aruga Seiko Epson 35
#48 Naohiko Koakutsu Seiko Epson 35
#48 Koichi Mizugaki Seiko Epson 35