Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Asaka, JP ranks #2,991 worldwide for total patents filed in 2021, with 41 patents from 16 inventors. Leading employers of inventors based in Asaka, JP include Topcon, Kabushiki Kaisha Toshiba, Honda Motor Co..

Showing 1–16 of 16 inventors

Rank Inventor Primary Company Patents
1 Fumio Ohtomo Topcon 8
2 Kenichi Doniwa Kabushiki Kaisha Toshiba 6
3 Akifumi Fujima Honda Motor Co. 4
#4 Akiyuki Karashima Honda Motor Co. 3
#4 Yoshitaka Uchida Clarion Co. 3
#4 Naobumi Okada Sony 3
#7 Kentarou Nakamura Konica Minolta Opto 2
#7 Kunio Yoshimi Honda Motor Co. 2
#7 Kazuma Deguchi Honda Motor Co. 2
#7 Yoshiki Kasaya Honda Motor Co. 2
#11 Shu HAMADA Fujifilm 1
#11 Hitoshi Shirakawa Tohoku University 1
#11 Akio Higashi Fujitsu Limited 1
#11 Naoki Morikawa Terumo Kabushiki Kaisha 1
#11 Ryuhi Okubo Olympus 1
#11 Ryuichi Furukoshi Sanken Electric Co. 1