Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2020, with 29,522 patents from 14,393 inventors. Leading employers of inventors based in Tokyo, JP include Mitsubishi Electric, Toyota, Murata Manufacturing Co..

Showing 13,501–13,550 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Taisei Suemitsu Mitsubishi Electric 1
#5815 Tadahiro SHIMODA Mitsubishi Electric 1
#5815 Ryo Neyama Toyota 1
#5815 Kenta Kurahashi Murata Manufacturing Co. 1
#5815 Toshiya Nakakura Ntt Communications 1
#5815 Toshihiko Iwasaki Konica Minolta 1
#5815 Kengo Yamamoto Ricoh Company 1
#5815 Takashi Katagiri IBM 1
#5815 Yun Xiang IBM 1
#5815 Shisei Goto Nippon Paper Industries Co. 1
#5815 Akira Fujisawa Nippon Sheet Glass Company, Limited 1
#5815 Nobuhiro Tsunashima Sony 1
#5815 Makoto Tokumaru Mitsubishi Electric 1
#5815 Shohei Kinoshita Nec 1
#5815 Kentaro SAWA Mitsubishi Electric 1
#5815 Junki Asai Sharp Kabushiki Kaisha 1
#5815 Takashi Numagi Canon 1
#5815 Atsushi Seki Sony 1
#5815 Takashi Fukunaga 1
#5815 Ayumu Nemoto Canon 1
#5815 Yuichi Kazue Canon 1
#5815 Jun Hamada Central Glass Company, Limited 1
#5815 Hiroshi Koga Chugai Pharmaceutical 1
#5815 Masaharu Oka Nippon Steel 1
#5815 Masahito Sakaki Nippon Steel 1
#5815 Shunji Mochizuki Hodogaya Chemical Co. 1
#5815 Toshimitsu Noguchi Hitachi 1
#5815 Daisuke Hiratsuka Kabushiki Kaisha Toshiba 1
#5815 Tomoyuki Ishihara Sharp Kabushiki Kaisha 1
#5815 Kazuhisa Yamagishi NTT 1
#5815 Taro Eguchi Komatsu 1
#5815 Tomohiro Shonai Showa Denko K.K. 1
#5815 Takashi Ochiai Canon 1
#5815 Akihito Otani Anritsu 1
#5815 Kozo Okuda Komatsu 1
#5815 Masayuki Sagara Nippon Steel 1
#5815 Hironori Chiba Tdk 1
#5815 Masuyoshi Yachida Ricoh Company 1
#5815 Takashi Sekiguchi Panasonic 1
#5815 Yuji Yamazaki Kyowa Hakko Kirin Co. 1
#5815 Takuya OTOWA Hitachi Industrial Equipment Systems Co. 1
#5815 Akihiro Higuchi Daicel 1
#5815 Hiromasa Nakajima Mitsubishi Electric 1
#5815 Noriyuki Negi Nippon Steel 1
#5815 Kenichi Omagari Honda Motor Co. 1
#5815 Hitoshi Tsukidate Taiyo Yuden Co. 1
#5815 Takeya Shima Mitsubishi Electric 1
#5815 Saori Sugiyama Japan Display 1
#5815 Sei Yoshihara Rigaku 1
#5815 Shigematsu Asano Rigaku 1