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 2,851–2,900 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Yu Yamashita Sumitomo Metal Mining Co. 2
#2021 Kisho Ashida Hitachi 2
#2021 Naoki Takeda Sony 2
#2021 Hiroyuki Izawa Hitachi Chemical Company 2
#2021 Natsumi Nakamura Casio Keisanki 2
#2021 Kei Ishikawa Mitsubishi Motors 2
#2021 Tsukasa Baba Jdc 2
#2021 Yasutomo Suga Taiyo Yuden Co. 2
#2021 Tomokazu Mitsui Sumitomo Chemical 2
#2021 Yuichi Kobayashi Hitachi 2
#2021 Ryota Komatsu Canon 2
#2021 Sota KIMURA Hitachi 2
#2021 Kyouji TAKAHARA Hitachi 2
#2021 Yui OTA Subaru 2
#2021 Takashi Matsuzawa Fujikura 2
#2021 Osamu Nagashima Hitachi 2
#2021 Kenji Tamaki Honda Motor Co. 2
#2021 Motoki Morita Nec 2
#2021 Hisao OKUMURA Toyobo Co. 2
#2021 Tetsuya Okuyama Japan Tobacco 2
#2021 Tomoyasu Sato Glory 2
#2021 Yuichi Kodama Komatsu 2
#2021 Masami IZUMI NTT 2
#2021 Isamu Arase Mujin 2
#2021 Kei Tsukamoto Sony 2
#2021 Masato Sanno Canon 2
#2021 Kazuhisa Iguchi Nippon Hoso Kyokai 2
#2021 Tatsuo Ishiguro Mitsubishi Electric 2
#2021 Tomomitsu Motohashi — 2
#2021 Masatoshi Ishikawa Mitsubishi Electric 2
#2021 Kentaro Takajo — 2
#2021 Hideki Toichi Canon 2
#2021 Kosuke Yamamoto Canon 2
#2021 Hideto Kotani Bandai Co. 2
#2021 Yoko Taki Geo Search Co. 2
#2021 Mamiko Ishida Sony 2
#2021 Tatsuo Nagata Nippon Steel & Sumitomo Metal 2
#2021 Masahiro Motosuke Tokyo University Of Science Foundation 2
#2021 Tatsuro Ochi Nippon Steel 2
#2021 Michitaka Okuta Kyocera 2
#2021 Hidenori Tsuji Yuyama Mfg. Co. 2
#2021 Teruyuki Tamaki Nippon Steel 2
#2021 Jun Fujiki Kabushiki Kaisha Toshiba 2
#2021 Toru Yoshitsugu Kawajun Co. 2
#2021 Yukiko Kobayashi Yakult Honsha 2
#2021 Akira Furuya Sumitomo Electric Industries 2
#2021 Byeongdeck Jang Disco 2
#2021 Eiichiro YAMAGUCHI Hoya Lens Thailand 2
#2021 Koichiro Uchida — 2
#2021 Minoru Suyama Subaru 2