Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Fuchu, JP ranks #628 worldwide for total patents filed all time, with 5,334 patents from 926 inventors. Leading employers of inventors based in Fuchu, JP include Sumitomo Electric Industries, Sony, Kabushiki Kaisha Toshiba.

Showing 1–50 of 926 inventors

Rank Inventor Primary Company Patents
1 Osamu Yamazaki Sumitomo Electric Industries 91
2 Keisuke Hatano Sony 87
3 Hidenori Matsuzaki Kabushiki Kaisha Toshiba 83
#4 Yukio Honda Hitachi 81
#5 Makoto Igarashi Nec 73
#5 Takahiro Abe Seiko Epson 73
#7 Koji Terasawa Canon 70
#8 Shoichiro Oda Fujitsu Limited 64
#9 Tomomi Funayama Kabushiki Kaisha Toshiba 63
#10 Eiji Oki NTT 50
#11 Makoto Tabata Omron Healthcare Co. 48
#12 Yuichiro Ogawa Bridgestone 47
#13 Kazuaki Okamoto Kabushiki Kaisha Toshiba 42
#13 Hirohisa Naito Fujitsu Limited 42
#13 Yoshiaki Hayashi Sumitomo Chemical 42
#16 Atsushi Sekiguchi Anelva 41
#17 Takahisa Nitta Unknown 40
#18 Seiichi Murayama Hitachi 39
#19 Manabu Yamazaki Fujitsu Limited 38
#20 Yotsuo Yahisa Hitachi 37
#20 Tomonori Iwashita Canon 37
#22 Kazuki Ise Kabushiki Kaisha Toshiba 36
#22 Kunio Nakajima Seiko Instruments 36
#22 Hirofumi Hayata Konica 36
#25 Minoru Nishizawa Kabushiki Kaisha Toshiba 35
#25 Kyo Akagi Hitachi 35
#27 Masanori Odaka Hitachi 34
#28 Hayao Ohzu Canon 32
#29 Kenji Taki Konica Minolta 31
#30 Hiroyuki Maehara Kabushiki Kaisha Toshiba 30
#30 Katsuhiko Naoi Nippon Chemi-Con 30
#32 Yoji Ohashi Fujitsu Limited 29
#32 Kazuo Uchida Koyo Seiko Co. 29
#32 Akio Hirata Kabushiki Kaisha Toshiba 29
#32 Kazumi Ito Olympus 29
#32 Seiji Kageyama Hitachi 29
#37 Yoshihiro Ashihara Fujirebio 28
#38 Morio Usami Sony 27
#38 Tatsuro Ikeda Kabushiki Kaisha Toshiba 27
#40 Takehiko Murakami Minami 26
#40 Yasuhiro Nunogawa Hitachi 26
#40 Nobuyuki Okabe Kubota 26
#43 Shinya Obara Konica Minolta 25
#43 Chihiro Okado Kabushiki Kaisha Toshiba 25
#43 Yoshinori Ieda Semiconductor Energy Laboratory 25
#46 Kazuyoshi Nishi Panasonic 24
#47 Hiroaki Arita Daicel-Evonik 23
#47 Mitsuaki Horiuchi Hitachi 23
#47 Tomoki Iwasaki Olympus 23
#47 Yoshihiko Mizushima Nippon Telegraph And Telephone Public 23