Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kakuda, JP ranks #4,734 worldwide for total patents filed all time, with 573 patents from 79 inventors. Leading employers of inventors based in Kakuda, JP include Panasonic, Iris Ohyama, Sumitomo Electric Industries.

Showing 1–50 of 79 inventors

Rank Inventor Primary Company Patents
1 Susumu Kobayashi Panasonic 109
2 Masayuki Miyawaki Iris Ohyama 78
3 Takuya Abe Iris Ohyama 67
#4 Shohei Tokoi Iris Ohyama 24
#5 Kazunori Mano Sumitomo Electric Industries 21
#6 Shigeto Ryuen Keihin 17
#7 Rie Maeda Nichia 14
#7 Akira Akabane Keihin 14
#9 Akihiko Okumura Hitachi 13
#10 Tatsuhiko Tsuchiya Alpine Electronics 12
#11 Norimasa Komatsu Alps Electric Co. 11
#11 Yoshiyuki Shishido Tohoku Ricoh Co. 11
#13 Yasumitsu Yokoyama Tohoku Ricoh Co. 10
#14 Hidetaka Furusho Alps Electric Co. 9
#14 Takahide Sato Sammy 9
#16 Kazuhito Fukumasu Iris Ohyama 8
#17 Isamu Sasao Honda Motor Co. 7
#18 Takayuki Sudo Canon 6
#18 Kenji Maemine Alps Electric Co. 6
#18 Yoshiyuki Araseki Tohoku Ricoh Co. 6
#21 Ryo Kishimoto Canon 5
#21 Hiroaki Hinotani Minolta Co. 5
#21 Shunya Abe Iris Ohyama 5
#24 Wakana Tajima Iris Ohyama 4
#24 Kouetsu Hikichi Keihin 4
#24 Yuta Hiramasu Iris Ohyama 4
#24 Shin Kagami Samsung 4
#24 Asashi Miyazaki Alps Electric Co. 4
#29 Tadashi MASUOKA Japan Aerospace Exploration Agency 3
#29 Hironori Hashimoto Kawasaki 3
#29 Misaki Yamaoka Iris Ohyama 3
#29 Kazunori Tsubakino Walbro 3
#29 Kanako Tsutsumi Iris Ohyama 3
#29 Shigeru Nigorikawa Alps Electric Co. 3
#29 Yuna Miyamoto Iris Ohyama 3
#29 Hideyuki Shinobu Keihin 3
#29 Yuna Hamazaki Iris Ohyama 3
#29 Osamu Hinata Keihin 3
#29 Tsukasa Naganuma Keihin 3
#40 Eiichi Kakizaki Alps Electric Co. 2
#40 Makoto Waku Walbro 2
#40 Takehiko Tomisawa Alps Electric Co. 2
#40 Takuya Nishihara Iris Ohyama 2
#40 Miki Onodera Iris Ohyama 2
#40 Sachihiro Izumi Alpine Electronics 2
#40 Shouichi Kyouya Alps Electric Co. 2
#40 Kouji Sonoda Keihin 2
#40 Kenji Mitsunari Iris Ohyama 2
#40 Kouichiro Tani Japan Aerospace Exploration Agency 2
#40 Soma Okayama Iris Ohyama 2