Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nakano, JP ranks #3,363 worldwide for total patents filed all time, with 890 patents from 187 inventors. Leading employers of inventors based in Nakano, JP include Canon, Fujitsu Limited, Olympus Optical Co..

Showing 1–50 of 187 inventors

Rank Inventor Primary Company Patents
1 Yasuhiro Uchida Canon 44
2 Minquan Tian 28
3 Tetsuichi Satonaga 25
#4 Yoshio Kanesawa 23
#5 Yoshiyuki Hiroshima Fujitsu Limited 21
#6 Kenji Fujibayashi Olympus Optical Co. 19
#7 Kentaro Kishi 18
#7 Nobuo Ishimaru Hitachi Kokusai Electric 18
#9 Yasunori Okano 17
#9 Yasuki Yamauchi 17
#11 Shaoming Liu 16
#12 Tadashi Kontani Hitachi Kokusai Electric 15
#12 Fujio Ihara 15
#12 Noboru Maruyama Fujitsu Limited 15
#12 Akio Shinagawa Fujitsu Limited 15
#16 Yoko Kosaka Canon 14
#17 Mitsuaki Ogihara Terumo Kabushiki Kaisha 12
#17 Takahiro Souma Terumo Kabushiki Kaisha 12
#17 Yasuro Ito Taisei 12
#17 Kazuhito Egami Shicoh Engineering Co. 12
#17 Tadashi Hagihara Inter Holdings Co. 12
#17 Shigeki Ooma 12
#17 Shinsuke Okada 12
#24 Chikara Ando 11
#24 Hajime Sugiyama Sony 11
#24 Kenji Tasaki Kabushiki Kaisha Toshiba 11
#27 Mitsuhisa Kamei 9
#27 Masamichi Takahashi 9
#27 Kazuto Hayashi 9
#27 Eriko Tamaru 9
#27 Tomohisa Kimura Kabushiki Kaisha Toshiba 9
#27 Shinichiro Taniguchi 9
#27 Katsuhiro Shirakawa Terumo Kabushiki Kaisha 9
#34 Masahiko Ochiai Kyushu Hitachi Maxell 8
#34 Kazutaka Hirata 8
#34 Daisuke Tsuda 8
#34 Sadaharu Ito 8
#34 Takanori Hisanaga 8
#39 Kenji Nukui Transphorm Japan 7
#39 Ivan Godler Harmonic Drive Systems 7
#39 Katsura Sakai 7
#39 Toshikazu Tsuji Kirin Holdings Kabushiki Kaisha 7
#39 TAIHEI MIYAMOTO IBM 7
#44 Kumiko Ikado Kirin Holdings Kabushiki Kaisha 6
#44 Takahiko Iwasaki Hitachi 6
#44 Kazuhiro Iwaoka 6
#44 Toshiyasu OHARA Fujitsu Limited 6
#44 Jumpei Yamaguchi Ricoh Company 6
#44 Eiichi Sasada Ykk 6
#44 Akinori Yoshizawa Unknown 6