Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chuo, JP ranks #1,579 worldwide for total patents filed in 2018, with 82 patents from 52 inventors. Leading employers of inventors based in Chuo, JP include Murata Manufacturing Co., NTT, Canon.

Showing 1–50 of 52 inventors

Rank Inventor Primary Company Patents
1 Hiroyuki Kubo Murata Manufacturing Co. 5
2 Masaki Kitahara NTT 4
2 Takeshi Akiyama Canon 4
2 Taichiro Tsuchiya Toshiba Mitsubishi-Electric Industrial Systems 4
#5 Hiroshi Masunaga Okamura 3
#5 Takeshi Morimoto Asahi Glass Co. 3
#5 Keisuke Ohnishi Toshiba Mitsubishi-Electric Industrial Systems 3
#8 Hisanori Taguchi Toshiba Mitsubishi-Electric Industrial Systems 2
#8 Hirofumi Oba Bridgestone 2
#8 Susumu Yamaki Astellas Pharma 2
#8 Akinobu Ando Toshiba Mitsubishi-Electric Industrial Systems 2
#8 Takuya Yotani Sekisui Medical Co. 2
#8 Shoko Nagamoto Bridgestone 2
#8 Tomohiko Furutani Uacj 2
#8 Jun Tamura Kabushiki Kaisha Toshiba 2
#8 Yuji Matsuoka Toshiba Mitsubishi-Electric Industrial Systems 2
#8 Satoshi Suwa Tsukishima Kikai Co. 2
#8 Yasuhiko Hosokawa Toshiba Mitsubishi-Electric Industrial Systems 2
#19 Tetsuo Hosoya Fujifilm Ri Pharma Co. 1
#19 Yukio Oda Toyoda Koki Kabushiki Kaisha 1
#19 Kazunori Sanada Mitsubishi Electric 1
#19 Yusuke Shimizu Japan Science And Technology Agency 1
#19 Noritaka SAKUTA Dainichiseika Color & Chemicals Mfg. Co. 1
#19 Yoko Ogawara Daiichi Sankyo Company, Limited 1
#19 Eiichi Miyauchi Chugai Pharmaceutical 1
#19 Kentaro KAYASHIMA Bridgestone 1
#19 Takehiro Ishikawa Alps Electric Co. 1
#19 Takanori Sannan Dainichiseika Color & Chemicals Mfg. Co. 1
#19 Hiroki Sasaki Nissan Motor Co. 1
#19 Yuriko Nemoto Sekisui Medical Co. 1
#19 Naoko Ishikawa Bridgestone 1
#19 Isao Ishiguro Akebono Brake Industry Co. 1
#19 Masahiko TSUKAKOSHI Toshiba Mitsubishi-Electric Industrial Systems 1
#19 Kayoko Nomizu Kao 1
#19 Satohiro Koi Hitachi Automotive Systems 1
#19 Asami Murayama Maruishi Pharmaceutical Co. 1
#19 Kenichi Kadowaki Uacj 1
#19 Tadashi Fujii 1
#19 Yumiko Kirihara Fujifilm Ri Pharma Co. 1
#19 Masanori Miura Astellas Pharma 1
#19 Shoichi Abe Nsk 1
#19 Kazuo Kitabayashi Daiichi Sankyo Company, Limited 1
#19 Yasuhiro Shinomiya Toshiba Mitsubishi-Electric Industrial Systems 1
#19 Satoru Matsuzaki Alps Electric Co. 1
#19 Takuma Itoh Dainichiseika Color & Chemicals Mfg. Co. 1
#19 Shotoku Takami Dainichiseika Color & Chemicals Mfg. Co. 1
#19 Hisaki Asakawa Dainichiseika Color & Chemicals Mfg. Co. 1
#19 Izumi Sasaki Sumitomo Dainippon Pharma Co. 1
#19 Ritaka Nakamura Toshiba Mitsubishi-Electric Industrial Systems 1
#19 Shuichi HOZUMI Uchino Co. 1