Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Musashino, JP ranks #2,763 worldwide for total patents filed all time, with 1,109 patents from 21 inventors. Leading employers of inventors based in Musashino, JP include Ricoh Company, Showa Denko K.K., NTT.

Showing 1–21 of 21 inventors

Rank Inventor Primary Company Patents
1 Tomohiro Inoue Ricoh Company 192
2 Kenji Shimizu Showa Denko K.K. 132
3 Hiroshi Nakashima NTT 112
#4 Toru Sugiyama Kabushiki Kaisha Toshiba 106
#5 Tetsuya Suzuki Koito Manufacturing Co. 104
#6 Yoshitaka Sato Olympus 74
#7 Takayuki Mizuno NTT 69
#8 Takeshi Ohno Yokogawa Electric 57
#9 Daisuke Aoki Canon 51
#10 Norio Yamamoto Denso 46
#11 Atsushi Kanda Seiko Epson 36
#12 Takayuki Hamada Ajinomoto Co. 21
#13 Toshio Fujimura Denso 20
#14 Ichiro Kudo NTT 19
#14 Yasunari Tanaka Hitachi 19
#16 Yoshiya Watanabe Audio-Technica 17
#17 Makoto Niimi Spansion Llc. 10
#18 Yuki Kuroda Hitachi 8
#19 Kei TAKESHITA NTT 7
#20 Masashi Toyama NTT 6
#21 Naokazu Mazaki Asahi Glass Co. 3