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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Fuefuki, JP ranks #10,492 worldwide for total patents filed all time, with 187 patents from 24 inventors. Leading employers of inventors based in Fuefuki, JP include Citizen Electronics Co., Semiconductor Energy Laboratory, I-Hits Laboratory.

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Koichi Fukasawa Citizen Electronics Co. 43
2 Yoshinori Ando Semiconductor Energy Laboratory 32
3 Yasunobu Suzuki I-Hits Laboratory 25
#4 Yuya MARUYAMA Seiko Epson 12
#5 Naoki Yokota University Of Yamanashi 11
#6 Kazuki Matsumura Citizen Electronics Co. 9
#7 Yosuke Sajiki Nisca 7
#8 Akinobu Fujiwara Nakajima Copper Works 6
#8 Manai Shimada University Of Yamanashi 6
#10 Tadahito Takano Nisca 5
#11 Takehiro Izumi Obara 4
#11 Hisao Aihara Casio Computer Co. 4
#11 Kenji Hayafuji Obara 4
#11 Natsumi YOSHIMURA Takahata Precision Co.,Ltd. 4
#15 Arinobu Mori Obara 3
#16 Masahiro Kouno Tokyo Institute Of Technology 2
#16 Akihumi Shimizu Meidensha 2
#16 Yoshio Motegi Bridgestone Sports Co. 2
#19 Nichio Kinoshita 1
#19 Hideaki Todoroki Unknown 1
#19 Takenori Tatsuzawa 1
#19 Masahiko Tatsuzawa 1
#19 Tsubasa Mochizuki Obara 1
#19 Yoshihito KITTA Citizen Electronics Co. 1