Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kunitachi, JP ranks #4,263 worldwide for total patents filed in 2021, with 26 patents from 22 inventors. Leading employers of inventors based in Kunitachi, JP include Casio Computer Co., Hitachi, Fujitsu Limited.

Showing 1–22 of 22 inventors

Rank Inventor Primary Company Patents
1 Tatsuya Sekitsuka Casio Computer Co. 3
2 Kyoko Kojima Hitachi 2
2 Taketoshi Yoshida Fujitsu Limited 2
#4 Keita Miyazaki Konica Minolta 1
#4 Hiroshi Ohnishi Hitachi 1
#4 Tokihiko Mori Kabushiki Kaisha Toshiba 1
#4 Toshibumi Takashima Casio Computer Co. 1
#4 Tatsuei Hoshino Toshiba Digital Solutions 1
#4 Teruo Takahashi Nippon Piston Ring Co. 1
#4 Daigo TANUMA Toshiba Memory 1
#4 Shuri Mizoguchi Konica 1
#4 Yoichi Nishimuro Bridgestone 1
#4 Hisashi Asano Sony 1
#4 Remi ISHIKAWA Konica Minolta 1
#4 Kenchi Ito Hitachi 1
#4 Ryo KASHIWAGI Mitsubishi Electric 1
#4 Hideo Sambe Canon 1
#4 Yumiko Uchida Ajinomoto Co. 1
#4 Shun Enari Kabushiki Kaisha Toshiba 1
#4 Keigo Matsuo Olympus 1
#4 Takehiko Goshima Konica Minolta 1
#4 Satoshi MAESUGI Toshiba Digital Solutions 1