Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2016, with 23,701 patents from 12,564 inventors. Leading employers of inventors based in Tokyo, JP include Fujitsu Limited, Ntt Docomo, Semiconductor Energy Laboratory.

Showing 1–50 of 12,564 inventors

Rank Inventor Primary Company Patents
1 Takahisa Suzuki Fujitsu Limited 42
2 Kazuaki Takeda Ntt Docomo 28
3 Tetsuhiro Tanaka Semiconductor Energy Laboratory 26
#4 Hiroaki Takano Sony 25
#5 Akira Tange Sony 24
#6 Masanori Hosomi Sony 22
#7 Tetsushi Abe Ntt Docomo 21
#7 Kazuya Saito Ricoh Company 21
#7 Yuji Arai Ricoh Company 21
#7 Daisuke Yoshida Canon 21
#7 Koji Noguchi Japan Display 21
#12 Takashi Kobayashi Hitachi 20
#13 Tadashi Ogawa Ricoh Company 19
#13 Takashi Watanabe Sharp Kabushiki Kaisha 19
#15 Naohisa Kitazato Saturn Licensing 18
#15 Satoshi Kimura Canon 18
#15 Chiharu Yamazaki Kyocera 18
#15 Naoki Iwaya Ricoh Company 18
#15 Kenta Kitamura Comcast 18
#20 Mitsuru Takehara Sony 17
#20 Takaaki Kishigami Panasonic 17
#20 Noboru Kunimatsu Japan Display 17
#20 Kojiro Hamabe Nec 17
#20 Keisuke Nakamura Japan Aviation Electronics Industry, Limited 17
#20 Osamu Hashiguchi Japan Aviation Electronics Industry, Limited 17
#20 Ryo Sawai Sony 17
#20 Yuki Yamamoto Sony 17
#28 Tohru Hasegawa IBM 16
#28 Hiroshi Saito Canon 16
#28 Toshifumi Honda Hitachi High-Technologies 16
#28 Shigehiro Iida Panasonic 16
#28 Nobuhiko Miki Ntt Docomo 16
#28 Jin Hirosawa Japan Display 16
#34 Atsushi Iwashita Canon 15
#34 Hiromasa Takagi Ricoh Company 15
#34 Yasuhiro Okamoto Renesas Electronics 15
#34 Wuri Andarmawanti Hapsari Ntt Docomo 15
#34 Kazuki Yogosawa Ricoh Company 15
#34 Tomoyuki Yagi Canon 15
#34 Yusuke Fujiwara Toyota 15
#41 Yasushi Tomioka Japan Display 14
#41 Hideo Kanai Ricoh Company 14
#41 Masaaki Yoshikawa Ricoh Company 14
#41 Masaya Tamaki Japan Display 14
#41 Kazuyuki Ueda Canon 14
#41 Takayuki Nishiguchi Mitsubishi Electric 14
#41 Tsuyoshi Kobayashi Kabushiki Kaisha Toshiba 14
#48 Mikio Nakamura Olympus 13
#48 Masaki Yamada Canon 13
#48 Daisuke Matsumoto Arkray 13