Top Inventors in Tokyo, JP — 2021

Tokyo, JP ranks #1 worldwide for total patents filed in 2021, with 25,532 patents from 13,453 inventors. Leading employers of inventors based in Tokyo, JP include Ntt Docomo, Japan Display, Nec.

Showing 1–50 of 13,453 inventors

Rank	Inventor	Primary Company	Patents
1	Kazuki Takeda	Ntt Docomo	98
2	Kazuaki Takeda	Ntt Docomo	47
3	Hiroki Harada	Ntt Docomo	45
#4	Hayato Kurasawa	Japan Display	31
#5	Hisashi Futaki	Nec	30
#6	Tomoyuki Sasaki	Tdk	29
#6	Yusuke FUJII	Disco	29
#8	Makiko Yamamoto	Sony	28
#9	Takahiro Yamamoto	Hitachi	26
#10	Hiroaki Takano	Sony	25
#10	Hayato Kiuchi	Disco	25
#10	Ikuo Yamano	Sony	25
#13	Tooru Uchino	Ntt Docomo	24
#13	Hiroo Ikeda	Nec	24
#15	Makiko Ohmae	Disco	23
#16	Minoru Matsuzawa	Disco	22
#16	Taro Arakawa	Disco	22
#16	Emiko Kawamura	Disco	22
#16	Toshiki Miyai	Disco	22
#16	Yoshiaki Yodo	Disco	22
#16	Rosen Nikolaev Diankov	Mujin	22
#16	Tohru Hasegawa	IBM	22
#16	Takuma NAKANO	Japan Tobacco	22
#16	Masamitsu Agari	Disco	22
#16	Shigenori Harada	Disco	22
#26	Kazuma Sekiya	Disco	21
#27	Hiroshi Matsuda	Canon	20
#27	Naohisa Kitazato	Saturn Licensing	20
#27	Shinichi Kawano	Sony	20
#30	Ryota Kimura	Sony	18
#30	Ryoma Oami	Nec	18
#30	Toshiyuki Tamura	Nec	18
#33	Wuri Andarmawanti Hapsari	Ntt Docomo	17
#33	Sadafuku Hayashi	Nec	17
#33	Yasutaka Nakashiba	Renesas Electronics	17
#33	Keiji Nomaru	Disco	17
#33	Minoru Yamaga	Sony	17
#38	Takashi Watanabe	Sharp Kabushiki Kaisha	16
#38	Yohei Shiokawa	Tdk	16
#38	Hiroki Matsuda	Sony	16
#38	Hiromasa Uchiyama	Sony	16
#38	Ryo Sakai	Epoch Company	16
#38	Yoshimasa Funakawa	Jfe Steel	16
#38	Yuki Yamamoto	Sony	16
#38	Koichi Akiyama	Seiko Epson	16
#38	Atsuki Tachibana	Mitsubishi Electric	16
#38	Naoki Kusashima	Sony	16
#48	Toshiya Suzuki	Nippon Steel	15
#48	Hideyuki Inoue	Eagle Industry Co.	15
#48	Masanori Uesaka	Jfe Steel	15

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Tokyo, JP 2021