Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokohama, JP ranks #1,311 worldwide for total patents filed all time, with 2,566 patents from 57 inventors. Leading employers of inventors based in Yokohama, JP include Nissan Motor Co., Koyo Seiko Co., Advantest.

Showing 1–50 of 57 inventors

Rank Inventor Primary Company Patents
1 Yasuhiro Suzuki Nissan Motor Co. 368
2 Takeshi Takahashi Koyo Seiko Co. 259
3 Daisuke Watanabe Advantest 234
#4 Akira Abe Fujitsu Limited 163
#5 Takayuki Kimura Denso 124
#6 Hirofumi Yamashita Kabushiki Kaisha Toshiba 102
#7 Jun Kimura Sony 98
#8 Hitoshi Taniguchi Hitachi 77
#9 Nobutaka Takeuchi Ricoh Company 76
#10 Toru Takagi Nissan Motor Co. 68
#11 Akio Kimura Sumitomo Electric Industries 66
#12 Yasuo Takagi Kabushiki Kaisha Toshiba 63
#13 Tomoaki Tanaka 62
#14 Tomoya Yamaguchi Semiconductor Energy Laboratory 49
#15 Youichi Yamamoto Semiconductor Process Laboratory Co. 47
#15 Yoshiki Matsuzaki 47
#17 Hideaki Nakamura Hitachi 45
#18 Kazunori Kato Canon 44
#19 Yasuyuki Hirai Canon 42
#19 Takanori Ueda Toyota 42
#19 Katsuhiko Takeuchi Sony 42
#22 Takashi Yoshizawa Kabushiki Kaisha Toshiba 31
#23 Masazumi Sone Nissan Motor Co. 30
#24 Hiroshi Umemoto 27
#25 Tadashi Masuda Fujifilm 26
#26 Hiroaki Shibata Denso 24
#27 Yoji Seto Nissan Motor Co. 20
#28 Chenming Zhang Nxp B.V. 19
#29 Fumiaki Tsuchiya Mitsubishi Electric 18
#30 Naoki Hanaki Mitsui Kinzoku Act 17
#30 Noboru Yanagida Nippon Zeon Co. 17
#32 Yasuyuki Hosono Fujitsu Limited 14
#32 Tomoyuki Nakao Fujitsu Limited 14
#34 Kazuyuki Yamanaka Kabushiki Kaisha Toshiba 13
#35 Yoshiaki Yokota Mitsui Kinzoku Act 12
#35 Yasuhiro Imaeda Takeda Pharmaceutical Company Limited 12
#35 Yasuji Ishizuka Nissan Motor Co. 12
#38 Hao Wang Lenovo (Singapore) Pte. 11
#39 Yoshikazu Okamoto 10
#39 Takahisa Koseki Nissan Motor Co. 10
#39 Kazuhiro Irie Nissan Motor Co. 10
#39 Ryo Tashiro Ricoh Company 10
#43 Masahide Kimura Toyota 9
#43 Masaaki Yuge Ohi Seisakusho Co. 9
#43 Yoshitaka Uehara Nissan Motor Co. 9
#46 Ali Emambakhsh Trw Vehicle Safety Systems 8
#46 Akira Kawasaki Kyocera 8
#46 Keisuke Yoshino Terumo Kabushiki Kaisha 8
#49 Toshio Okuyama Toagosei Co. 7
#49 Nobuki Kobayashi Mitsui Toatsu Chemicals, Incorporated 7

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