Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Amagasaki, JP ranks #377 worldwide for total patents filed all time, with 8,374 patents from 1,770 inventors. Leading employers of inventors based in Amagasaki, JP include Sharp Kabushiki Kaisha, Canon, Fujisawa Pharmaceutical Co..

Showing 1–50 of 1,770 inventors

Rank Inventor Primary Company Patents
1 Yuji Okamoto Sharp Kabushiki Kaisha 121
2 Masayuki Abe Canon 88
3 Kotaro Yamaguchi Canon 56
#4 Kazuo Sakane Fujisawa Pharmaceutical Co. 54
#4 Koji Iwaki Kanzaki Kokyukoki Mfg. Co. 54
#4 Akira Fukami Nippon Soken 54
#7 Hiroshi Yoneda Sharp Kabushiki Kaisha 53
#8 Takeo Inoue Mitsui Toatsu Chemicals, Incorporated 52
#9 Kenji Higashi Jtekt 48
#10 Yoshiaki Sakamoto Fujitsu Limited 47
#11 Yukitomo Yuhara Yoshida Industry Co. 45
#11 Masahiko Hirose Nitto Denko 45
#13 Ryoji Nishiyama Mitsubishi Electric 40
#14 Ikuro Suga Mitsubishi Electric 39
#14 Hideto Miyazaki Ricoh Company 39
#16 Teruo Furukawa Mitsubishi Electric 37
#16 Kazushige Sugimoto Sumitomo Rubber Industries 37
#18 Minoru Otani Sharp Kabushiki Kaisha 35
#18 Katsuhiko Akita Konica Minolta 35
#20 Kenji Shima Mitsubishi Electric 34
#21 Michio Masuda Hitachi 33
#21 Mutsuo Sekiya Mitsubishi Electric 33
#21 Tomoyuki Ebihara Kanzaki Kokyukoki Mfg. Co. 33
#24 Kazuya Ito Hitachi 32
#24 Hironori Sumomozawa Kanzaki Kokyukoki Mfg. Co. 32
#26 Yasuhiro Sando Konica Minolta Medical & Graphic 31
#26 Atsushi Ohshima Konica Minolta 31
#28 Motohisa Taguchi Mitsubishi Electric 30
#29 Yuki Hashimoto Oki Electric Industry Co. 29
#29 Kenichiro Suetsugu Sumitomo Electric Industries 29
#31 Toshiyuki Nakajima Canon 28
#31 Yoshio Hirayama Ebara 28
#31 Kunimaro Tanaka Mitsubishi Electric 28
#34 Kouichi Ono IBM 27
#34 Osamu Shirasaki Omron Healthcare Co. 27
#34 Mikio Takahashi Hitachi 27
#37 Naoko Suzuki The Yokohama Rubber Co. 26
#37 Hayato Takasago Mitsubishi Electric 26
#39 Masahiko Ikeda Hitachi 25
#39 Toshitaka Aoyagi Mitsubishi Electric 25
#41 Kazuhiro Namba Konami Computer Entertainment Osaka 24
#41 Hideto Yoshimura Mitsubishi Electric 24
#41 Yasuharu Mori Rengo Co. 24
#41 Junichi Okubo Nippon Steel 24
#45 Yoshiaki Oda Sumitomo Chemical 23
#45 Toshikage Asakura Ciba Specialty Chemicals 23
#45 Keiji Fujioka Sumitomo Pharmaceuticals Company Limited 23
#45 Suguru Nagae Mitsubishi Electric 23
#49 Wataru Wakamiya Mitsubishi Electric 22
#49 Hidenobu Hamada Sumitomo Electric Industries 22