Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sagamihara, JP ranks #157 worldwide for total patents filed all time, with 17,946 patents from 2,553 inventors. Leading employers of inventors based in Sagamihara, JP include Semiconductor Energy Laboratory, Kabushiki Kaisha Toshiba, Canon.

Showing 1–50 of 2,553 inventors

Rank Inventor Primary Company Patents
1 Yoshiyuki Kurokawa Semiconductor Energy Laboratory 486
2 Yasuhiro Harada Kabushiki Kaisha Toshiba 246
3 Yasuhiro Shimada Canon 198
#4 Satoshi Yamaguchi Sumitomo Chemical 195
#5 Masahiro Mori Canon 177
#6 Yoshiaki Oikawa Semiconductor Energy Laboratory 165
#7 Hiroki Ohara Semiconductor Energy Laboratory 149
#8 Tetsuya Itano Canon 134
#9 Keiji Sato Semiconductor Energy Laboratory 116
#10 Yasuhiro Ueki Victor Company Of Japan 109
#11 Yuji Nagai Kabushiki Kaisha Toshiba 102
#11 Katsutaka Kimura Hitachi 102
#13 Sadayuki Matsumiya Mitutoyo 99
#14 Teruaki Suzuki Nec 98
#15 Masami Kato Canon 95
#15 Kazuaki Masuda Canon 95
#15 Hideki Nagata Minolta Co. 95
#18 Ai Satoyama Hitachi 92
#18 Kenji Sakakibara Brother Kogyo 92
#18 Shigeru Matsumoto Brother Industries 92
#21 Ryota Suzuki Nec 88
#22 Ken Tsuchii Canon 85
#23 Katsuhiko Sato Kabushiki Kaisha Toshiba 84
#24 Yasuhiro Takai Sharp Kabushiki Kaisha 83
#25 Koji Taguchi Toyota 81
#26 Satoshi Omura The Kitasato Institute 80
#27 Shinji Murai Kabushiki Kaisha Toshiba 78
#27 Minoru Amano Kabushiki Kaisha Toshiba 78
#29 Masaru Kato Nichia 76
#30 Kinji Mori Hitachi 73
#31 Masaaki Futamoto Hitachi 70
#31 Hideo Ouchi Nsk 70
#31 Hidemasa Mizutani Canon 70
#34 Yukuo Nishimura Canon 67
#34 Yoshio Ishii Fujitsu Limited 67
#36 Masahiro Kiyotoshi Kabushiki Kaisha Toshiba 66
#36 Masami Tada IBM 66
#38 Hiroyuki Hamano Canon 63
#38 Youhei Ishikawa Murata Manufacturing Co. 63
#40 Masao Kasuga Seiko Instruments 62
#41 Susumu Matsui Hitachi 60
#42 Kuniyuki Takahashi Shinkawa 59
#43 Noboru Masuda Hitachi 58
#43 Takayuki Kawabe Kabushiki Kaisha Toshiba 58
#43 Toshio Sugano Hitachi 58
#46 Goji Nakagawa Fujitsu Limited 56
#47 Fumiyuki Yamaoka Atsugi Unisia 55
#48 Kazuyo Umezawa Kabushiki Kaisha Toshiba 54
#49 Kazunori Sato 53
#49 Tsutomu Tashiro Denso 53