Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Shiojiri, JP ranks #246 worldwide for total patents filed all time, with 12,203 patents from 760 inventors. Leading employers of inventors based in Shiojiri, JP include Seiko Epson, Kabushiki Kaisha Toshiba, Nintendo Co..

Showing 1–50 of 760 inventors

Rank Inventor Primary Company Patents
1 Satoshi Shinada Seiko Epson 210
2 Hideo Kato Kabushiki Kaisha Toshiba 175
3 Hitoshi Tsuchiya Nintendo Co. 160
#4 Yoichi Yamada Seiko Epson 154
#5 Tadahiro Mizutani Seiko Epson 147
#6 Akira Egawa Seiko Epson 143
#7 Motoki Takabe Seiko Epson 136
#8 Toshio Kumagai Seiko Epson 131
#9 Hiroshi Fukumoto Seiko Epson 121
#10 Hiroaki Sakai Seiko Epson 119
#10 Takashi Kawabata Canon 119
#12 Hideki Okada Kyocera Document Solutions 118
#13 Tsuyoshi Sano Seiko Epson 112
#14 Teruhiko Fujisawa Seiko Epson 100
#15 Naoki Kuwata Seiko Epson 97
#16 Ryoichi Nozawa Seiko Epson 96
#17 Akira Matsuzawa Sumitomo Electric Industries 95
#18 Kunio Tabata Seiko Epson 94
#18 Masahiko Yoshida Seiko Epson 94
#20 Shoma Kudo Seiko Epson 93
#21 Masahiro Fujii Seiko Epson 92
#22 Tomohiro Ogawa Toyota 91
#23 Kenta Sato Nintendo Co. 90
#24 Toru Miyamoto Seiko Epson 89
#25 Koji Harada Canon 88
#26 Motoyuki Fujimori Seiko Epson 81
#27 Kinya Ozawa Seiko Epson 80
#27 Koji Kudo Nec 80
#27 Kohei Yamada Seiko Epson 80
#30 Koji Sumi Seiko Epson 79
#31 Kazuhiko Hara Seiko Epson 75
#31 Takeshi Fujishiro Nissan Motor Co. 75
#33 Shigeru Yamazaki Hitachi 74
#33 Takayoshi Kagata Seiko Epson 74
#35 Manabu Takei Fuji Electric Co. 72
#36 Hisashi Okamura Fujitsu Limited 71
#36 Yasunari Ikeda Sony 71
#38 Hidehito Iisaka Seiko Epson 67
#39 Kazutaka Yamamoto Ricoh Company 66
#39 Yoshihiro Koizumi Seiko Epson 66
#39 Kenichi Miyazaki Seiko Epson 66
#39 Nobuaki Ito Seiko Epson 66
#43 Ippei Okuda Seiko Epson 65
#44 Shuji Otsuka Seiko Epson 63
#45 Takahiro Kanegae Seiko Epson 61
#45 Masahiro Yatake Seiko Epson 61
#45 Takuya Ikeda Sony 61
#48 Masakazu Ohashi Seiko Epson 60
#48 Toshiyuki Noguchi Seiko Epson 60
#50 Atsushi Imamura Seiko Epson 59