Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Inazawa, JP ranks #3,424 worldwide for total patents filed all time, with 869 patents from 68 inventors. Leading employers of inventors based in Inazawa, JP include Mitsubishi Electric, Ngk Insulators, Hitachi.

Showing 1–50 of 68 inventors

Rank Inventor Primary Company Patents
1 Masayuki Yoshida Mitsubishi Electric 94
2 Shintaro Tsuji Mitsubishi Electric 58
3 Tomoyoshi Tai Ngk Insulators 52
#4 Yasuo Kondo Hitachi 47
#5 Eiki Watanabe Mitsubishi Electric 31
#6 Shinobu Tajima Mitsubishi Electric 23
#7 Masami Nomura Mitsubishi Electric 22
#8 Masami Naito Denso 21
#8 Toshiaki Chiyo Toyoda Gosei Co. 21
#8 Takemasa Yasukawa Toyoda Gosei Co. 21
#11 Kazuo Fujihara Toyoda Gosei Co. 18
#12 Kazutoshi Ohta Mitsubishi Electric 17
#13 Hisashi Mizuno Toyoda Gosei Co. 15
#13 Kouhei Yamamoto Sony 15
#13 Shigemi Iwata Mitsubishi Electric 15
#13 Kenichi Uetani Mitsubishi Electric 15
#17 Masashi Yonemoto Mitsubishi Electric 14
#17 Ryuichi Kajiyama Mitsubishi Electric 14
#19 Hikaru Ando Toyoda Gosei Co. 13
#20 Masamoto Mizuno Mitsubishi Electric 12
#20 Hideharu Kawai Kitagawa Industries Co. 12
#20 Hidekazu Miyazaki Nippon Soda Co. 12
#20 Hitoshi Omori Toyoda Gosei Co. 12
#20 Shizuyo Asami Toyoda Gosei Co. 12
#25 Koichi Ogiso Toyoda Gosei Co. 11
#25 Terumi Hirabayashi Mitsubishi Electric 11
#25 Mai Nakamura Ngk Spark Plug Co. 11
#28 Osamu Nakagaki Toyoda Gosei Co. 10
#28 Kazushige Ueno Kitagawa Industries Co. 10
#28 Takeshi Takami Brother Kogyo 10
#28 Yoshihiro Nagino Toyoda Gosei Co. 10
#28 Toshiyuki Kodera Mitsubishi Electric 10
#28 Masanori Tawada Mitsubishi Electric 10
#34 Shin Ota Brother Kogyo 9
#34 Kiyokazu Mizutani Toagosei Chemical Industry Co. 9
#34 Tadaoki Okumoto Toyoda Gosei Co. 9
#37 Hidaka Furuya Nippon Light Metal Company 8
#37 Isao Sasao Mitsubishi Electric 8
#37 Harumi Kogiso Toyoda Gosei Co. 8
#37 Shizuyo Noiri Toyoda Gosei Co. 8
#37 Kazumichi Shigeno Toyoda Gosei Co. 8
#37 Hideyo Ujihara Mitsubishi Electric 8
#37 Takenobu Honda Mitsubishi Electric 8
#44 Kenichi Ikegami Jtekt 7
#45 Sadao Nada Toyoda Gosei Co. 6
#45 Sadayuki Ohtomi Mitsubishi Electric 6
#45 Kunio Mishima Toyoda Gosei Co. 6
#45 Katsumi Ohira Mitsubishi Electric 6
#45 Toru Kai Toyoda Gosei Co. 6
#50 Hideo Uchino Mitsubishi Electric 5