Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chofu, JP ranks #1,276 worldwide for total patents filed in 2016, with 100 patents from 52 inventors. Leading employers of inventors based in Chofu, JP include Kabushiki Kaisha Toshiba, Mitsubishi Electric, Sony.

Showing 1–50 of 52 inventors

Rank Inventor Primary Company Patents
1 Takashi Nishimura Kabushiki Kaisha Toshiba 9
2 Kazuya Yamamoto Mitsubishi Electric 7
3 Kazuhiko Ueda Sony 6
#4 Takeshi Seto Seiko Epson 5
#5 Masaki Okue Toyota 4
#5 Hideshi Yamada Sony 4
#5 Kentarou Yuasa Fujitsu Limited 4
#8 Shigeo Matsuzawa Kabushiki Kaisha Toshiba 3
#8 Kazuaki Matsuura Japan Aerospace Exploration Agency 3
#8 Yukihito Tashiro Ulvac 3
#8 Takao Shudo Konica Minolta 3
#12 Hiroshi Ogihara Toyota 2
#12 Koichi Tashiro Olympus 2
#12 Yasuhiro Ite Fujitsu Limited 2
#12 Kazuo Shimodaira Japan Aerospace Exploration Agency 2
#12 Hitoshi Wakabayashi Nec 2
#12 Hirofumi Nakano Mitsubishi Electric 2
#12 Masashi Ishikawa Canon 2
#12 Youji Kurosawa Japan Aerospace Exploration Agency 2
#20 Yasuo Taima Konica Minolta 1
#20 Kikuo Koseki Kajima 1
#20 Juntaro Minezaki Fujitsu Limited 1
#20 Rikio Onai Rakuten Group 1
#20 Haruko Sato Toyota 1
#20 Katsumi Kusama Kabushiki Kaisha Toshiba 1
#20 Kazuya Kayama Canon 1
#20 Kazuki Hyoudou Fujitsu Limited 1
#20 Naoko Tokugawa Japan Aerospace Exploration Agency 1
#20 Youichi Tohyama Meidensha 1
#20 Tetsuya Miki Mitsubishi Cable Industries 1
#20 Kosei Tamiya Olympus 1
#20 Shunsuke Mogi Toyota 1
#20 Yusuke Yabe Olympus 1
#20 Shinichi Matsubara Hitachi High-Technologies 1
#20 Norishige Kakegawa Canon 1
#20 Yoshine Ueda Japan Aerospace Exploration Agency 1
#20 Kazuyoshi Haraguchi Casio Computer Co. 1
#20 Tomoaki Morijiri Kabushiki Kaisha Toshiba 1
#20 Sachiko Kodama University Of Electro-Communications 1
#20 Kouichi Takeuchi Toyota 1
#20 Makoto Okabe Rakuten Group 1
#20 Masahiro Doi Hitachi Astemo 1
#20 Atsushi Maeda Sanyo Electric Co. 1
#20 Tomotaka Terajima Fuji Heavy Industries 1
#20 Kunio Hori Olympus 1
#20 Osamu Kaneko Toyota 1
#20 Tetsuro Sugiura Ebara 1
#20 Yoshinori TOKUDA Kabushiki Kaisha Toshiba 1
#20 Ayako Tozuka Canon 1
#20 Taro Imamura Mitsubishi Electric 1