Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.

Tokyo, JP 2025

23,000 patents  ·  13,130 inventors

Ranked #1 of 40,155 cities Top 1%

Showing 2,751–2,800 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Masashi Kawashita Toppan Printing Co. 2
#2021 Takushi MIYAKAWA — 2
#2021 Kunio Komatsu Yakult Honsha 2
#2021 Norio Shimozono Hitachi 2
#2021 Kenji Tanimoto Nissan Chemical Industries 2
#2021 Gorouemon Otsuka — 2
#2021 Kohei Iketani Hoya 2
#2021 Tadashi Maeda Nec 2
#2021 Toshinobu Ogatsu Nec 2
#2021 Takuro Kiriaki Ihi 2
#2021 Yusuke Morishita Nec 2
#2021 Koji Fujinaka Canon 2
#2021 Kousuke Kuwabara Proterial 2
#2021 Hiroshi Kawafuji Canon 2
#2021 Naoto Miura Hitachi 2
#2021 Masakazu Yajima Sony 2
#2021 Hiroyuki JO Rakuten Mobile 2
#2021 Takashi Hiranaka Komatsu 2
#2021 Hiroki Shirai Astellas Pharma 2
#2021 Toru Asano Astellas Pharma 2
#2021 Tadanori Saito Canon 2
#2021 Koki NAKANE Mitsubishi Electric 2
#2021 Yasujiro Kiyota Nikon 2
#2021 Ryohei Ono Mazda Motor 2
#2021 Yusuke YONEHARA The Japan Steel Works 2
#2021 Toshio TOYOSHIMA The Japan Steel Works 2
#2021 Yutaka Nakagawa Asahi Glass Co. 2
#2021 Hiroyuki TANOUE Tdk 2
#2021 Yosuke Horiuchi Kabushiki Kaisha Toshiba 2
#2021 Naoto Sato IBM 2
#2021 Akihito Hirai Mitsubishi Electric 2
#2021 Gengoro Ogura Sinfonia Technology Co. 2
#2021 Toshihiro Kawai Sinfonia Technology Co. 2
#2021 Hideaki Numata Nec 2
#2021 Daisuke Okabe Hitachi 2
#2021 Kyosuke Nagaoka Canon 2
#2021 Tsubasa Umeki Sony 2
#2021 Takaaki Shimizu Shin-Etsu Chemical Co. 2
#2021 Takahide Hirai Mitsubishi Electric 2
#2021 Akira Ueki Bridgestone 2
#2021 Daichi Takano Tdk 2
#2021 Akito NAKAYAMA Mitsubishi Electric 2
#2021 Yuko ISHIWAKA Softbank 2
#2021 Hidenobu Umeda Tdk 2
#2021 Takushi Jimichi Mitsubishi Electric 2
#2021 Hiroyuki Kishimoto Sumitomo Rubber Industries 2
#2021 Kazutaka Shibuya Enplas 2
#2021 Takuya Nishida Satake 2
#2021 Hideo Ito Olympus Optical Co. 2
#2021 Yuta Muyari Olympus 2