Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Itami, JP ranks #622 worldwide for total patents filed in 2020, with 248 patents from 142 inventors. Leading employers of inventors based in Itami, JP include Sumitomo Electric Industries, Sumitomo Electric Hardmetal, Toyo Tire & Rubber Co..

Showing 1–50 of 142 inventors

Rank Inventor Primary Company Patents
1 Yoshiki Nishibayashi Sumitomo Electric Industries 8
2 Yosuke Shimamoto Sumitomo Electric Hardmetal 7
3 Tsutomu Hori Sumitomo Electric Industries 6
3 Hironori Itoh Sumitomo Electric Industries 6
3 Natsuo Tatsumi Sumitomo Electric Industries 6
3 Hideo Maeno Sumitomo Electric Hardmetal 6
#7 Kazuhiro Ikeda Sumitomo Electric Industries 5
#7 Tsuyoshi Fujioka Toyo Tire & Rubber Co. 5
#9 Shinichiro Yurugi Sumitomo Electric Hardmetal 4
#9 Kouki Matsubara Sumitomo Electric Hardmetal 4
#9 Yasuyuki Kanada Sumitomo Electric Hardmetal 4
#12 Akihiro Torigoshi Konica Minolta 3
#12 Hideaki Awata Sumitomo Electric Industries 3
#12 Kazumi Sawayanagi Konica Minolta 3
#12 Tomoyuki Fukuyama Sumitomo Electric Hardmetal 3
#12 Hirokazu Sakata Toyo Tire 3
#12 Shingo Kuwano Toyo Tire & Rubber Co. 3
#12 Katsuhito Oshima Sumitomo Electric Industries 3
#12 Keiichi Tsuda Sumitomo Electric Industries 3
#12 Katsuko Yamamoto Sumitomo Electric Industries 3
#12 Takashi Harada Ngk Insulators 3
#12 Kenichi Watatani Sumitomo Electric Industries 3
#12 Kyoko Okita Sumitomo Electric Industries 3
#12 Miki Miyanaga Sumitomo Electric Industries 3
#12 Tetsuji Miyazaki Toyo Tire & Rubber Co. 3
#12 Takuya Nohara Sumitomo Electric Hardmetal 3
#12 Tsuyoshi Maehara Kawasaki 3
#28 Katsushi Akita Sumitomo Electric Industries 2
#28 Kensuke Shibayama Toyo Tire 2
#28 Kazuki Okuno Sumitomo Electric Industries 2
#28 Keiko Arimoto Sumitomo Electric Industries 2
#28 Kazushi Kusawake Sumitomo Electric Industries 2
#28 Kazushi Takahama Sumitomo Electric Hardmetal 2
#28 Tsubasa HONKE Sumitomo Electric Industries 2
#28 Hideyuki Doi Sumitomo Electric Industries 2
#28 Masaaki Jindai Sumitomo Electric Hardmetal 2
#28 Yuta Morisaki Sumitomo Electric Hardmetal 2
#28 Atsuhiko Maeta Sumitomo Electric Hardmetal 2
#28 Shinichi Hirono Sumitomo Electric Sintered Alloy 2
#28 Keiji Ishibashi Sumitomo Electric Industries 2
#28 Atsushi Yasumoto Asahi Kasei Kabushiki Kaisha 2
#28 Yoshinari Nagami Sumitomo Electric Hardmetal 2
#28 Seiji Nakahata Sumitomo Electric Industries 2
#28 Yoshiaki Shibuta Konica Minolta 2
#28 Gaku Harada Nec Tokin 2
#28 Yasuki Kido Sumitomo Electric Hardmetal 2
#28 Suguru Arikata Sumitomo Electric Industries 2
#28 Susumu Yoshimoto Sumitomo Electric Industries 2
#28 Syunji Yamamoto Furukawa Electric Co. 2
#28 Fuminori Mitsuhashi Sumitomo Electric Industries 2