Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Rifu, JP ranks #2,299 worldwide for total patents filed all time, with 1,373 patents from 24 inventors. Leading employers of inventors based in Rifu, JP include Canon, Nissan Motor Co., Tokai Rubber Industries.

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Masahiro Inoue Canon 211
2 Tadashi Suzuki Nissan Motor Co. 203
3 Hajime Suzuki 154
#4 Atsushi Muramatsu Tokai Rubber Industries 89
#5 Yukio Suzuki Hitachi 86
#6 Kouichi Yamada Sanyo Electric Co. 79
#7 Koji Mori Sumitomo Electric Industries 75
#8 Kazuma Goto Brother Kogyo 63
#9 Kazunari Takahashi Alps Alpine Co. 57
#10 Hiroki Kishi Canon 36
#11 Kunio Kobayashi Mitsubishi Electric 34
#12 Hitoshi Morinaga Fujimi Incorporated 32
#12 Takao Sakurai Hitachi 32
#14 Akinori Kitamura Tokyo Electron Limited 31
#15 Hidetaka Sato Hitachi Chemical Company 27
#16 Morio Nakatani Sanyo Electric Co. 26
#17 Susumu Kawakami Fujitsu Limited 24
#18 Tatsuya Uchida Jeol 22
#18 Yoshiyuki Hata Advantest 22
#20 Tetsuro Kikuchi Nippon Soken 21
#21 Taichi Hirano Tokyo Electron Limited 20
#22 Hisashi Hirose Mitsubishi Electric 12
#22 Hironori Yoshida Dexerials 12
#24 Masatsugu Oishi Yamaha Motor 5