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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oobu, JP ranks #7,993 worldwide for total patents filed in 2021, with 11 patents from 9 inventors. Leading employers of inventors based in Oobu, JP include Toyota, Ebara, Fujitsu Limited.

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Koji Kawasaka Toyota 3
2 Akihiko Ogawa Ebara 1
2 Masami Sato Fujitsu Limited 1
2 Takao SUENAGA Denso 1
2 Kazunori Itou 1
2 Takayoshi Kawaguchi Sony 1
2 Tatsumi Kumada Denso 1
2 Fumihiko Ishiguro Toyota Industries 1
2 Kouichi Hoshino Nippondenso Co. 1