Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Mitaka, JP ranks #1,485 worldwide for total patents filed in 2017, with 90 patents from 47 inventors. Leading employers of inventors based in Mitaka, JP include Musashi Engineering, Olympus, Kabushiki Kaisha Toshiba.

Showing 1–47 of 47 inventors

Rank Inventor Primary Company Patents
1 Kazumasa Ikushima Musashi Engineering 7
2 Soichiro KOSHIKA Olympus 6
3 Yutaka Horie Kabushiki Kaisha Toshiba 5
3 Masaru Murashita Hitachi Aloka Medical 5
3 Noboru Ueda Konica Minolta 5
#6 Masaru Ichimura Hitachi 4
#6 Keito Fukushima Olympus 4
#8 Masaji Ozaki Jamco 3
#8 Naoyuki Naruse Hitachi 3
#10 Hiromi Yatsuda Japan Radio Co. 2
#10 Jumpei Tajima Kabushiki Kaisha Toshiba 2
#10 Sanae Ootake Jamco 2
#10 Yoshihisa Tsutsui Jamco 2
#10 Mari Konishi Konica Minolta 2
#10 Nozomu Tagami Jamco 2
#10 Yuuichi Nishijima Konica Minolta 2
#10 Masafumi Oikawa Nikon 2
#10 Norihide Takeyama Nipro 2
#10 Kenji Nojiri Jamco 2
#20 Masa Yamamoto Hitachi Medical 1
#20 Toshikazu Tanino Hitachi 1
#20 Kenjiro Naemura Kabushiki Kaisha Toshiba 1
#20 Hidetoshi Arii Hitachi 1
#20 Jing-Wen Tsao Hitachi Aloka Medical 1
#20 Masashi MAMINO Konica Minolta 1
#20 Naoyuki Tsuruoka Texas Instruments 1
#20 Kazuhisa Kishimoto Konica Minolta 1
#20 Tanemasa Harada Kabushiki Kaisha Toshiba 1
#20 Norihiro Tomimatsu Kabushiki Kaisha Toshiba 1
#20 Teruhiko Uno Kabushiki Kaisha Toshiba 1
#20 Kounosuke Hayashi Hitachi 1
#20 Takayuki Hitosugi Canon 1
#20 Taisaku Kogawa Topcon 1
#20 Tomoko Takenaka Hitachi 1
#20 Takaya Uno Hitachi 1
#20 Mitsuo Ono Kyocera 1
#20 Naohiro Kageyama Minolta 1
#20 Futoshi Ogata Hitachi 1
#20 Takayuki Doui Konica Minolta 1
#20 Takaaki Ishigure Asahi Glass Co. 1
#20 Toshimitsu Inose Hitachi 1
#20 Tomoaki Chono Hitachi Medical 1
#20 Takuya Yamamura Mitsubishi Motors 1
#20 Yosuke Mizutani Honda Motor Co. 1
#20 Tatsuya Takagi Konica Minolta 1
#20 Kazuaki Yamaji Yakult Honsha 1
#20 Takashi Kogai Japan Radio Co. 1