Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Narashino, JP ranks #2,253 worldwide for total patents filed in 2017, with 56 patents from 32 inventors. Leading employers of inventors based in Narashino, JP include Seiko Precision, Fujitsu Limited, Kabushiki Kaisha Toshiba.

Showing 1–32 of 32 inventors

Rank Inventor Primary Company Patents
1 Shoichi Tokura Seiko Precision 7
2 Seiichi Oishi Seiko Precision 5
3 Jun Kamada Fujitsu Limited 4
#4 Naoyuki Narita Kabushiki Kaisha Toshiba 3
#4 Shigetoshi Ishida Hitachi Koki Co. 3
#4 Hideo Izawa Miyakoshi Printing Machinery Co. 3
#7 Chiaki Nemoto Seiko Precision 2
#7 Tomokazu Morita Kabushiki Kaisha Toshiba 2
#7 Toshihiro Wakabayashi Toyo Engineering 2
#7 Mitsuru Suzuki Seiko Precision 2
#7 Yoichi Nakano Seiko Precision 2
#12 Takashi KODACHI Aisin Seiki Kabushiki Kaisha 1
#12 Kengo TODA Aisin Seiki Kabushiki Kaisha 1
#12 Takato Nakao Toyo Engineering 1
#12 Hiroki Fujinami Idemitsu Kosan Co. 1
#12 Shinji Yonemoto Hitachi Industrial Equipment Systems Co. 1
#12 Minori Murata Seiko Precision 1
#12 Takufumi YOSHIDA Kabushiki Kaisha Toshiba 1
#12 Kenichi Kudo Seiko Precision 1
#12 Yuji Fujimori Seiko Epson 1
#12 Shouta Io Toyo Engineering 1
#12 Shinichi Tashiro Sumitomo Electric Industries 1
#12 Yasushi Katagiri Miyakoshi Printing Machinery Co. 1
#12 Keiichi Koga Advics Co. 1
#12 Takeshi Obata Hitachi Industrial Equipment Systems Co. 1
#12 Yuki KASHIWAGI Central Japan Railway Comany 1
#12 Tetsu Ohno Miyakoshi Printing Machinery Co. 1
#12 Kouji Oono Sumitomo Osaka Cement Co. 1
#12 Yuuichi Yamazaki Miyakoshi Printing Machinery Co. 1
#12 Hiroto Yoshihara Kabushiki Kaisha Toshiba 1
#12 Masayuki Shibuya Nippon Steel & Sumitomo Metal 1
#12 Masato YOKOMIZO Idemitsu Kosan Co. 1