Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kiyose, JP ranks #4,544 worldwide for total patents filed all time, with 604 patents from 104 inventors. Leading employers of inventors based in Kiyose, JP include Sumitomo Wiring Systems, Pentax, Casio Computer Co..

Showing 1–50 of 104 inventors

Rank Inventor Primary Company Patents
1 Tetsuya Nishimura Sumitomo Wiring Systems 91
2 Harumi Aoki Pentax 90
3 Kaoru Someya Casio Computer Co. 40
#4 Shinichi Muramatsu Yamaha 22
#5 Satoru Ohno Ricoh Company 18
#5 Takahiro Kitamura Arqule 18
#7 Masato Ikegawa Hitachi 17
#8 Hitoshi Komatsu Hitachi 16
#9 Masaaki Namekawa Citizen Holdings Co. 14
#10 Masayuki Numata Nippon Thermostat Co. 13
#11 Sumio Sudo Hitachi 12
#11 Katsuji Shibata Hitachi Chemical Company 12
#13 Toyokazu Mizogui Canon 10
#13 Isao Goto Toyota 10
#13 Yoshiaki Kasai Subaru 10
#16 Keihiro Kurakata Canon 8
#17 Haruo Tateno Onoda Cement Co. 7
#17 Kazunari Takagi Sony 7
#19 Yorito MAEDA Olympus 6
#19 Naoyuki Maki Aisin Seiki Kabushiki Kaisha 6
#19 Akihiro Fujii Yoshitomi Pharmaceutical Industries 6
#19 Kinichi Higure Hitachi Kokusai Electric 6
#23 Yoshio Oguma France Bed Co. 5
#23 Masafumi EMURA Nec 5
#23 Tomohiro Miyashita Nikon 5
#23 Yoji Abe University Of Electro-Communications 5
#23 Masahiro Aburakawa Nippon Thermostat Co. 5
#28 Ryuichi Chikamatsu Obayashi 4
#28 Masanobu Hidaka Fujikura 4
#28 Isamu Harasawa Nippon Carbide Kogyo 4
#28 Akio Nio Kawasaki 4
#28 Kazunori Fukizawa Honda Motor Co. 4
#33 Koubu Mizukoshi Snow Brand Milk Products Co. 3
#33 Masahito Matsunawa Hitachi 3
#33 Osamu Shiino Bridgestone 3
#33 Go Fujino Kabushiki Kaisha Toshiba 3
#33 Hideyuki Mizumoto Osaka Titanium 3
#33 Yohji Abe Teac 3
#33 Shigenobu Tajima Shin-Etsu Chemical Co. 3
#33 Isamu Gotoh Honda Motor Co. 3
#33 Masayuki Yaegashi Fuso Keigokin Co. 3
#33 Ryusuke Kasai Nikka Limited 3
#33 Shigemi Okumura Hitachi 3
#33 Tsukao Yokoyama Unknown 3
#33 Yasuhiro Matsuoka Hitachi 3
#33 Kazuo Kotsuji Koganei 3
#33 Nakagawa Shin Fidelix Y.K. 3
#48 Isamu Asada Nihon Seikan Kabushiki Kaisha 2
#48 Yasuharu Uomori Nippon Thermostat Co. 2
#48 Kozue Hamamoto Ntt Docomo 2