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 Ihi, Synaptics Incorporated, Mitsubishi Heavy Industries Compressor.

Showing 14,101–14,150 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Masaru Nishioka Ihi 1
#5815 Kenji Yamazumi Synaptics Incorporated 1
#5815 Yoshiko Takei Mitsubishi Heavy Industries Compressor 1
#5815 Masaaki Yamagiwa Sony 1
#5815 Kiyomi Watanabe Origin Electric Company, Limited 1
#5815 Keigo Tamura Sony 1
#5815 Toshihiro Matsuoka Mazda Motor 1
#5815 Tsuyoshi Kashio Idemitsu Kosan Co. 1
#5815 Noriko Katashima Dai Nippon Printing Co. 1
#5815 Yoshiyuki Oomasa Mayekawa Mfg. Co. 1
#5815 Hayato Iwamoto Sony 1
#5815 Kiminori Iwano Hitachi Industrial Equipment Systems Co. 1
#5815 Fumihito Wachi Canon 1
#5815 Ayaka Yamamuro Wakamoto Pharmaceutical Co. 1
#5815 Kentaro KAMEI Kyocera 1
#5815 Muneyoshi Miyata Mitsuku Denshi Kogyo Kabushiki Kaisha 1
#5815 Fumitake Takahashi Ngk Insulators 1
#5815 Seiichi Amano Asahi Kasei Kabushiki Kaisha 1
#5815 Tomoyuki HOSAKA Hitachi Automotive Systems 1
#5815 Naoto Murayama Hitachi Systems 1
#5815 Nobuo Kamata Soliton Systems K.K. 1
#5815 Katsunori Kawano 1
#5815 Tetsuro Honmura Hitachi 1
#5815 Yusuke FUNAYA Hitachi 1
#5815 Yasushi Tsukano Nippon Steel 1
#5815 Sumihiro Takashima Yamaha Motor 1
#5815 Haruaki Akasaka Max Co. 1
#5815 Fuminori Ota Bridgestone 1
#5815 Yoichi Kushioka Hitachi Kokusai Electric 1
#5815 Minami Ogawa Ricoh Company 1
#5815 Toshiya Hasegawa Saturn Licensing 1
#5815 Toshiaki Shino Sony 1
#5815 Ryukichi Matsuo Toppan Printing Co. 1
#5815 Jun YANAGIMOTO Yazaki 1
#5815 Tsuguo Maru Nec 1
#5815 Seiji Nagano Komatsu 1
#5815 Naoyuki FUSHIMI Hitachi-Johnson Controls Air Conditioning 1
#5815 Waka Hasegawa Canon 1
#5815 Yoshinobu Murakami Panasonic 1
#5815 Atsushi Oguri Furukawa Electric Co. 1
#5815 Yutaro Abe Globeride 1
#5815 Makoto Takamiya Canon 1
#5815 Mitsuaki Wada Nikon 1
#5815 Kousuke Seki Sony 1
#5815 Chiemi KUBOTA Hitachi Astemo 1
#5815 Hiroto Kasai Sony 1
#5815 Kohei Kawazoe Mitsubishi Electric 1
#5815 Shingo Nakashima Renesas Electronics 1
#5815 Yasuharu Uchiyama Furukawa Automotive Systems 1
#5815 Hironari Abe Kyocera 1