Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kannami, JP ranks #10,534 worldwide for total patents filed all time, with 186 patents from 43 inventors. Leading employers of inventors based in Kannami, JP include Fujitsu Limited, Canon, Toshiba Tec Kabushiki Kaisha.

Showing 1–43 of 43 inventors

Rank Inventor Primary Company Patents
1 Kazuyoshi Watanabe Fujitsu Limited 30
2 Tetsuya Nishiguchi Canon 15
3 Hiromichi Mitamura Toshiba Tec Kabushiki Kaisha 13
#4 Shigeru Ikuta Toyo Jozo Company 12
#5 Hayato SHIRAI Seiko Epson 11
#5 Noboru Kuroda Ricoh Company 11
#7 Kazuhide Takahama Tokyo Electron Limited 9
#8 Hideaki Nonaka Lintec 8
#9 Jun Haruna Canon 5
#9 Katsuhiko Kawaguchi Tokyo Electron Limited 5
#9 Masaaki Sei Kabushiki Kaisha Toshiba 5
#9 Motoyuki Miyauchi Toshiba Kikai 5
#9 Tomiaki Ito Ricoh Company 5
#14 Takuya Kotsuji Kyocera Document Solutions 4
#14 Yoshiki Morikawa Meidensha 4
#14 Hideo Ryu Usui Kokusai Sangyo Kaisha Limited 4
#17 Masatsugu Fukuda Toshiba Tec Kabushiki Kaisha 3
#17 Masashi Kajiyama Usui Kokusai Sangyo Kaisha Limited 3
#17 Yoshiro Eto Toshiba Tec Kabushiki Kaisha 3
#17 Eisuke Nagano Omron 3
#21 Masayoshi Koyanagi Tokyo Electron Limited 2
#21 Makoto Okuzawa Ricoh Company 2
#21 Hisashi Yabuki Toyota 2
#21 Ryosuke Kokubo Fujitsu Limited 2
#21 Souichi Izumisawa Kabushiki Kaisha Toshiba 2
#26 Yoshinori Haibara Usui Kokusai Sangyo Kaisha Limited 1
#26 Akira Ogishima Usui Kokusai Sangyo Kaisha Limited 1
#26 Masayuki Terayama Ricoh Company 1
#26 Itoyo Tsuchiya Soqi Kabushiki Kaisha 1
#26 Yuuzo Hitachi Usui Kokusai Sangyo Kaisha Limited 1
#26 Haruo Ooishi Toyota 1
#26 Yujin Fujita Omron 1
#26 Akira Mitoma 1
#26 Takeo Kudoh Ricoh Company 1
#26 Yasuhiro Sudate Asahi Kasei Kogyo Co. 1
#26 Soichi Shin Toshiba Kikai 1
#26 Kenji Harato Tyco Electronics Japan G.K. 1
#26 Kunitoshi Murofushi 1
#26 Shiego Kikuchi Tokyo Electron Limited 1
#26 Yuji Washio Toshiba Kikai 1
#26 Hideo Shitaya Fujitsu Limited 1
#26 Hironobu Ohara Toshiba Kikai 1
#26 Seiki Morimoto Asahi Kasei Kogyo Co. 1