Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed all time, with 716,148 patents from 91,278 inventors. Leading employers of inventors based in Tokyo, JP include Ricoh Company, Showa Denko K.K., Nikon.

Showing 17,551–17,600 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Hidenori Shindoh Ricoh Company 10
#16169 Kazuhiro Mitani Showa Denko K.K. 10
#16169 Taro Sugihara Nikon 10
#16169 Wataru Nishimura Mitsubishi Aircraft 10
#16169 Fumiaki Hiraishi Mitsubishi Motors 10
#16169 Kazuyuki Hata Mitsubishi Chemical 10
#16169 Mahina Nakamura Toshiba Tec Kabushiki Kaisha 10
#16169 Yutaka Miura Kirin Beer Kabushiki Kaisha 10
#16169 Sumito Sato Discma Ag 10
#16169 Atsuhiko Kobayashi Senqcia 10
#16169 Kazuyasu Oone Nikon 10
#16169 Takuto Yoshida Yokowo Co. 10
#16169 Akihiro Ochi Sen 10
#16169 Ken Matsumura Kabushiki Kaisha Toshiba 10
#16169 Daigo Nakagawa Canon 10
#16169 Hidehiro Matsumoto Nec 10
#16169 Tadashi Sakane Nichia 10
#16169 Nobuya Tomosue Nichia 10
#16169 Atsunori Himoto Sega Enterprises 10
#16169 Takayasu Mochizuki Hoya 10
#16169 Gen Tamura Honda Motor Co. 10
#16169 Masahiro Fukuzumi Nissan Motor Co. 10
#16169 Takanao Kumakura Tgk Co. 10
#16169 Shosaku Ishihara Hitachi 10
#16169 Masahiro Tadauchi Kabushiki Kaisha Toshiba 10
#16169 Shigeyuki Yamada Sharp Kabushiki Kaisha 10
#16169 Michitomo Koda Sony 10
#16169 Kiyomitsu Ishikawa Stanley Electric Co. 10
#16169 Hitoshi Nagaoka Yamanouchi Pharmaceutical Co. 10
#16169 Hitoshi Yamauchi Daiichi Pharmaceutical Co. 10
#16169 Masayuki Nakada Nkk Co. 10
#16169 Norihiro Takesako Mitsubishi Electric 10
#16169 Takaaki Iwaki Sony 10
#16169 Tomoyuki Shudo Sony 10
#16169 Weilin Gao Dowa Metaltech Co. 10
#16169 Eizaburo Higuchi Nitto Jushi Kogyo Co. 10
#16169 Michihiro Miyake Fujitsu Limited 10
#16169 Terence McKelvey Ebara 10
#16169 Kunimasa Itakura Nec Lcd Technologies 10
#16169 Tatsuto Yamazaki Sumitomo Electric Industries 10
#16169 Kazuyuki Egashira Sumitomo Metal Industries 10
#16169 Takuji Nakashima Pola Chemical Industries 10
#16169 Tomonori Nakajima Sony 10
#16169 Taku Kanaoka Renesas Electronics 10
#16169 Yoshio Fukayama Renesas Technology 10
#16169 Yoshihiro Oikawa Hitachi 10
#16169 Takashi Usami Fujitsu Limited 10
#16169 Yoshiyuki Miyoshi Fujifilm 10
#16169 Akira Nabetani GE 10
#16169 Yasutaka Takabayashi Oki Electric Industry Co. 10