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 2,301–2,350 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Tomoaki Mahiko Daicel 2
#2021 Akihiko TSURUI Daicel 2
#2021 Takeru KASHIWAGI Daicel 2
#2021 Etsuji Katono — 2
#2021 Akira YATSUYANAGI Mitsubishi Electric 2
#2021 Naoki Sekiyama Komatsu 2
#2021 Tatsuki Kashitani Sony 2
#2021 Yuichiro Oguchi Canon 2
#2021 Shingo Nakayama Honda Motor Co. 2
#2021 Shota Miura Nsk 2
#2021 Tatsuya Ishimori Mitsubishi Electric 2
#2021 Tomoaki Taki Honda Motor Co. 2
#2021 Toshikazu SAKAMAKI Mitsui Chemicals 2
#2021 Manabu ORITO Semitec 2
#2021 Tomoya Morioka Mitsubishi Electric 2
#2021 Kazunori Masukawa Mitsubishi Electric 2
#2021 Soh Masuko Rakuten Group 2
#2021 Takeshi Yokoi Olympus 2
#2021 Shigeo Udagawa Mitsubishi Electric 2
#2021 Mitsuru Kirita Mitsubishi Electric 2
#2021 Kenichi Akazawa Ebara 2
#2021 Hideharu Aoyama Ebara 2
#2021 Wataru Itonaga Nec 2
#2021 Takayoshi Ozone Sony 2
#2021 Kunihiko Teshima Ntt Docomo 2
#2021 Masafumi USUI Nippon Steel 2
#2021 Kohei Sakai Honda Motor Co. 2
#2021 Kenta TSUCHIYA Sumitomo Electric Industries 2
#2021 Taichi TANAKA Nec 2
#2021 Masashi Mita Shiseido Company, Limited 2
#2021 Takafumi Omori Panasonic 2
#2021 Yusuke Iida Omron 2
#2021 Takehito HAYAMI Olympus 2
#2021 Takamitsu Hae Hitachi 2
#2021 Hirofumi Urabe Canon 2
#2021 Shun-ichiro OHMI National Institute For Materials Science 2
#2021 Hiroyuki Iwanaga Eagle Industry Co. 2
#2021 Hiroyo Tanaka Toshiba Tec Kabushiki Kaisha 2
#2021 Masaaki Takenouchi Fujifilm 2
#2021 Ryohei Tsuzuki Honda Motor Co. 2
#2021 Youhei Hashimoto Dai Nippon Printing Co. 2
#2021 Fuminori Suzuki Denso 2
#2021 Takanori TAKEUCHI — 2
#2021 Yoshifumi Noguchi Riso Kagaku 2
#2021 Toru Kohata Canon 2
#2021 Hiroyuki Takayama — 2
#2021 Nobutaka Tashima Max Co. 2
#2021 Hirokazu TAKABAYASHI Mitsubishi Electric 2
#2021 Hisato AKIMOTO Mitsubishi Gas Chemical Company 2
#2021 Masaki INOKUCHI Nec 2