Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Owariasahi, JP ranks #3,291 worldwide for total patents filed all time, with 915 patents from 182 inventors. Leading employers of inventors based in Owariasahi, JP include Toyota, Seiko Epson, Sony.

Showing 1–50 of 182 inventors

Rank Inventor Primary Company Patents
1 Eiji Yamada Toyota 112
2 Masami Murai Seiko Epson 55
3 Koji Ogawa Sony 48
#4 Eiji Tajima Ntn 40
#5 Hideaki Mizuno Toyota 32
#6 Fumihiko Mouri Toyota 26
#7 Riichi Kato Hitachi-Omron Terminal Solutions 25
#8 Takenori Ikeda Toyota 24
#9 Masaki Nishiyama Canon 23
#10 Masataka Kamiya Brother Kogyo 18
#11 Itsunori Utsumi Hitachi 17
#12 Hisao Tsutsumi Kao Soap Co. 13
#13 Yasushi Yanagihara Brother Kogyo 12
#13 Yuusuke SHIMIZU Ihi 12
#13 Kunihiko Arai Toyota 12
#16 Hiroshi Murashima Brother Kogyo 11
#17 Isao Higashikata Ubukata Industries Co. 10
#18 Toshihiko Tajiri Hitachi 9
#18 Hisayuki Ohhara Hitachi 9
#18 Mineo Harada Hitachi 9
#18 Atsuko Uozumi Hitachi-Omron Terminal Solutions 9
#18 Motomu Wada Daido Metal Company 9
#18 Hirotaka Kondo Ricoh Company 9
#18 Tomotaka Katano Brother Kogyo 9
#18 Masashi Oishi Toyota 9
#26 Junya Ide Hitachi 8
#27 Yoshitaka Kawamura Fujitsu Limited 7
#27 Ryo Asano Aisin Seiki Kabushiki Kaisha 7
#27 Teiji Karasaki Hitachi 7
#27 Akihiro Miki Komatsu 7
#27 Masanori Terao Hitachi-Omron Terminal Solutions 7
#27 Kenzo Yanagida Nihon Parkerizing Co. 7
#33 Hidehito Matsuo Toyota Central R&D Labs 6
#33 Eiji Yuki Brother Kogyo 6
#33 Motoki Nakajima Kao 6
#33 Susumu Hoshino Kabushiki Kaisha Toshiba 6
#33 Katsuyuki Shimakage Samsung 6
#33 Wakako Michiyama Sumitomo Riko Company Limited 6
#33 Hisanori Okamoto Brother Kogyo 6
#40 Ichiro Tarutani Jtekt 5
#40 Naotaka Katoh Lenovo (Singapore) Pte. 5
#40 Shigemi Adachi Hitachi 5
#40 Yuji Ohtsuka Omron 5
#40 Makoto Matsukawa Pioneer 5
#45 Ryota Kawaguchi Toyota 4
#45 Toshikazu Aoki Mitsubishi Electric 4
#45 Shingo Marumo Noda Institute For Scientific Research 4
#45 Yuya Suganuma Menicon Co. 4
#45 Tarou Okada Denso 4
#45 Atsuhiro Imaizumi Hitachi-Omron Terminal Solutions 4