Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wakayama, JP ranks #515 worldwide for total patents filed all time, with 6,466 patents from 1,298 inventors. Leading employers of inventors based in Wakayama, JP include Yamaha, Kabushiki Kaisha Toshiba, Sando Iron Works Co..

Showing 1–50 of 1,298 inventors

Rank Inventor Primary Company Patents
1 Shuichi Matsumoto Yamaha 107
2 Seiichi Mori Kabushiki Kaisha Toshiba 90
3 Hiroshi Ishidoshiro Sando Iron Works Co. 69
#4 Hideki Goto Sumitomo Wiring Systems 68
#5 Yoshikazu Sando Sando Iron Works Co. 61
#6 Koji Kita Noritsu Koki Co. 60
#7 Jun Shimizu Sony 59
#7 Akihiro Onoue Sanshin Industries 59
#9 Keiji Sasaki Fujikoki 50
#10 Yasuhiro Doi Kao 49
#11 Masahiro Shima Shima Seiki Mfg. 46
#12 Kuniyasu Kawabe Kao 44
#13 Kazuo Fujita Fujitsu Limited 43
#14 Teruyuki Fukuda Kao 42
#15 Keiichi Kondo Toyota 40
#16 Yoshifumi Nishimoto Canon 39
#17 Yoshiaki Fujikura Kao 36
#17 Masanori Yamaguchi Sony 36
#19 Toshiharu Kojima Mitsubishi Electric 35
#19 Hirotaka Takeno Socionext 35
#21 Masahito Yamazaki Kao 32
#21 Tsutomu Inaba Mitsubishi Electric 32
#23 Katsutoshi Aoki Kao 31
#24 Nobumichi Kamiyoshi Kao 30
#24 Ryosuke Fujii Kao 30
#26 Tadayuki Suzuki Kao 29
#27 Masaki Matsubara Wacom Co. 28
#27 Masaaki Yamamura Kao 28
#29 Tetsuji Yamamoto Panasonic 27
#29 Kohshiro Sotoya Kao 27
#31 Norihide Kobayashi Mitsubishi Electric 26
#31 Masao Okuno Shima Seiki Mfg. 26
#33 Koji Kishimoto Nec 25
#33 Tohru Katoh Kao 25
#33 Tougo Teramoto Minolta Co. 25
#36 Mitsuhiro Sasaki Kao 24
#37 Tetsuaki Fukushima Kao 23
#37 Ryuma Mizushima Kao 23
#37 Shinji Moriyama Kao 23
#40 Mikio Sakaguchi Kao 22
#40 Yasufumi Ueda Kao 22
#40 Yohji Hamada Apple 22
#43 Yasunori Chikawa Sharp Kabushiki Kaisha 21
#43 Koji Toyoda Sony 21
#45 Keiko Hasebe Kao 20
#45 Yoshihide Kimura Nippon Paper Industries Co. 20
#45 Takashi Morii Canon 20
#45 Kazuhiko Kurita Kao 20
#45 Akihiro Tamaki Mitsui Toatsu Chemicals, Incorporated 20
#45 Toshio Nozaki Kao 20