Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hadano, JP ranks #639 worldwide for total patents filed all time, with 5,268 patents from 1,025 inventors. Leading employers of inventors based in Hadano, JP include Unisia Jecs, Canon, Hitachi.

Showing 1–50 of 1,025 inventors

Rank Inventor Primary Company Patents
1 Mitsuo Sasaki Unisia Jecs 103
1 Atsushi Numagami Canon 103
3 Satoshi Kikuchi Hitachi 93
#4 Ryo HATSUMI Semiconductor Energy Laboratory 82
#5 Hiroshi Oishi Sanshin Industries 71
#5 Jun Komiyama Sony 71
#7 Hidenori Matsuo Panasonic 67
#8 Kenji Nakagawa Fujitsu Limited 64
#9 Takashi Ikenaga Sony 47
#9 Kanji Kubo Honda Motor Co. 47
#9 Tatsundo Kawai Canon 47
#12 Hiromichi Komai Ricoh Company 43
#13 Toshihiro Ohki Fujitsu Limited 42
#13 Yoichi Takano Mitsumi Electric Co. 42
#13 Tatsuji Nishijima Semiconductor Energy Laboratory 42
#16 Hiroaki Ebuchi Toyota 41
#17 Azuma Miyazawa Olympus Optical Co. 40
#18 Yoshihisa Abe Coorstek Kk 39
#19 Shigeru Omori Terumo Kabushiki Kaisha 38
#20 Kohshi Katoh Toyota 37
#21 Hirokatsu Miyata Canon 36
#21 Hideshi Wakayama Jatco 36
#23 Jonggap Kim Toyota 34
#23 Osamu Naruse Ricoh Company 34
#23 Hiroyuki Sumi Jfe Steel 34
#26 Kiichiro Urabe Hitachi 33
#26 Hiromichi Enomoto Hitachi 33
#28 Akihiko Hosaka Tdk Electronics Ag 31
#28 Shigemasa Sato Nikon 31
#28 Yasuhiro Inagami Hitachi 31
#31 Kunihiko Tomita Ricoh Company 29
#31 Kei Honda Terumo Kabushiki Kaisha 29
#33 Takeshi Tsuyuki Nissan Motor Co. 28
#34 Hideaki Gemma Hitachi 26
#34 Hideo Sawamoto Hitachi 26
#34 Koichiro Omoda Hitachi 26
#34 Nobuyuki Ikeda Mitsubishi Electric 26
#38 Tadashi Kyoda Hitachi 25
#38 Shizuo Zushi Hitachi 25
#38 Yoshiki Kami Komatsu 25
#41 Tadaaki Yoshinaka Sony 24
#41 Ken Koibuchi Toyota 24
#43 Tadaaki Isobe Hitachi 22
#43 Mineharu Tsukada Fujitsu Limited 22
#43 Hiroyuki Kaido The Yokohama Rubber Co. 22
#46 Hiroki Wakamatsu Murata Manufacturing Co. 21
#46 Naoya Nishida Canon 21
#48 Shigeki Morimoto Hitachi 20
#48 Hiroki Uehara Jatco 20
#50 Michihiro Kameda Nittan Valve Co. 19