Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Funabashi, JP ranks #568 worldwide for total patents filed all time, with 5,970 patents from 1,104 inventors. Leading employers of inventors based in Funabashi, JP include Yamaha, Kabushiki Kaisha Toshiba, Hitachi.

Showing 1–50 of 1,104 inventors

Rank Inventor Primary Company Patents
1 Hideo Suzuki Yamaha 319
2 Taku Kato Kabushiki Kaisha Toshiba 138
3 Makoto Kitano Hitachi 97
#4 Masahiro Haruta Canon 96
#5 Kuniaki Ito Nintendo Co. 70
#6 Shinichi Maeda Nissan Chemical Industries 66
#7 Masaaki Ozawa Nissan Chemical Industries 47
#8 Atsushi Kunimatsu Kabushiki Kaisha Toshiba 45
#8 Kohei Goto Jsr 45
#10 Akiho Ota Yoshino Kogyosho Co. 43
#10 Toshihiko Matsushita Mitsubishi Paper Mills Limited 43
#12 Shinji Ozaki Sumitomo Electric Industries 40
#13 Hirohisa Suzuki Sanyo Electric Co. 38
#14 Masato Yamaguchi Sony 35
#15 Takuji Yoshimoto Nissan Chemical Industries 34
#16 Tadashi Hatanaka Nissan Chemical Industries 31
#17 Katsutoshi Kondou Sumitomo Osaka Cement Co. 28
#17 Hitoshi Imanari Nikon 28
#17 Takeaki Kishimoto 28
#20 Katsuaki Miyaji Nissan Chemical Industries 27
#20 Hiroo Matsumoto Nissan Chemical Industries 27
#22 Osamu Itoh Hitachi 26
#22 Ryozo Sakoda Nissan Chemical Industries 26
#24 Hideki Takamatsu Toyota 25
#24 Takeshi Mita Nissan Chemical Industries 25
#24 Yoshiomi Hiroi Nissan Chemical Industries 25
#24 Hitoshi Hara Sumitomo Heavy Industries 25
#28 Yoshio Ohmura Kureha Kagaku Kogyo 24
#28 Yasuyuki Ooyagi Dai Nippon Printing Co. 24
#30 Teruo Kaganoi Alaxala Networks 23
#30 Atsunobu Banryu Kabushiki Kaisha Toshiba 23
#30 Toyoshige Sasaki Canon 23
#33 Takehisa Iwama Nissan Chemical Industries 22
#33 Takashi Yaegashi Torii & Co. 22
#33 Satoshi Takei Nissan Chemical Industries 22
#33 Satoru Oshitari Sumitomo Osaka Cement Co. 22
#33 Rie Miyauchi Daiichi Pharmaceutical Co. 22
#38 Haruo Shimizu Canon 21
#38 Takashi Oku Sony 21
#38 Motoo Urawa Canon 21
#41 Yuji Morimiya Sony 20
#41 Akihiro Tachibana Pioneer 20
#41 Taichi Nakazawa Nissan Chemical Industries 20
#41 Akio Nakanishi Sumitomo Special Metals Co. 20
#41 Hitoshi Furusho Nissan Chemical Industries 20
#41 Haruko Kawakami Kabushiki Kaisha Toshiba 20
#41 Norimitsu Sako Kawasaki Steel 20
#48 Yoshio Ohara Nissan Chemical Industries 19
#48 Toshiaki Takeyama Nissan Chemical Industries 19
#48 Senichi Saito Canon 19