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USPTO Patent Rankings Data through Dec 31, 2025
Home › Cities › Rifu, JP

Rifu, JP All Time

15,309 patents  ·  2,101 inventors

Ranked #187 of 112,640 cities Top 1%

Rifu, JP ranks #187 worldwide for total patents filed all time, with 15,309 patents from 2,101 inventors. Leading employers of inventors based in Rifu, JP include Fujikin Incorporated, Kobe Steel, Kabushiki Kaisha Toshiba.

Showing 1–50 of 2,101 inventors

Rank Inventor Primary Company Patents
1 Tadahiro Ohmi Fujikin Incorporated 600
2 Eiji Takahashi Kobe Steel 219
3 Yoshiaki Saito Kabushiki Kaisha Toshiba 189
#4 Michio Kadota Murata Manufacturing Co. 182
#5 Chishio Koshimizu Tokyo Electron Limited 163
#6 Shunichi Sato Ricoh Company 150
#6 Naoki Fujiwara Sony 150
#8 Shuichi Kikuchi Sony 143
#9 Yasuyuki Kudo Hitachi 127
#10 Masanobu Honda Tokyo Electron Limited 115
#11 Hiroshi Kanai Toyota 108
#12 Koji Kawamura Canon 106
#13 Hiroki Endo Toyota 84
#14 Atsushi Ogata Canon 77
#15 Kazuya Nagaseki Tokyo Electron Limited 71
#15 Yasuharu Sasaki Tokyo Electron Limited 71
#15 Naoto Jikutani Ricoh Company 71
#15 Jun Hirose Tokyo Electron Limited 71
#19 Yohei Yamazawa Tokyo Electron Limited 70
#20 Yuki Kato Toyota 68
#21 Yoshihide Kihara Tokyo Electron Limited 67
#22 Akio Takada Dexerials 66
#23 Wataru Sato Spin Master 63
#23 Miho Watanabe — 63
#25 Akira Yoshikawa Tohoku University 62
#26 Yutaka Wada Ebara 61
#27 Ryosuke Suzuki Nintendo Co. 60
#28 Shingo Takahashi Nec 59
#28 Hiroaki Tanizaki Mitsubishi Electric Engineering Company, Limited 59
#30 Takahiko Kato Hitachi 58
#30 Atsuo Omaru Sony 58
#32 Junichi Ikeda Ricoh Company 57
#33 Fumiyuki Adachi Ntt Mobile Communications Network 56
#34 Kunio Sato Alps Alpine Co. 55
#34 Kenichi Kato Nohmi Bosai 55
#36 Shinji Himori Tokyo Electron Limited 54
#37 Masatoshi Ono Funai Electric Co. 53
#38 Atsushi Sasaki Panasonic 51
#38 Yoshiaki Igarashi Sumitomo Electric Industries 51
#38 Hirokazu Iwata Ricoh Company 51
#41 Hiroyuki Hebiguchi Alps Electric Co. 50
#41 Tatsuo Saito Fuji Photo Optical Co. 50
#41 Tatsumaro Yamashita Alps Electric Co. 50
#44 Masahiro Tabata Tokyo Electron Limited 49
#44 Kazuya Hashimoto Nec 49
#46 Masanori Fujita Seikosha Co. 48
#46 Toshiharu Mori Minolta Co. 48
#46 Maju TOMURA Tokyo Electron Limited 48
#49 Takahiro Yokoyama Tokyo Electron Limited 47
#49 Yasuyuki Shirai Unknown 47

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