Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Satoru Ohno Ricoh Company 4
2 Kaoru Someya Casio Computer Co. 3
2 Masato Ikegawa Hitachi 3
#4 Osamu Shiino Bridgestone 2
#4 Isao Goto Toyota 2
#6 Kozue Hamamoto Ntt Docomo 1
#6 Yu Chiba Panasonic 1
#6 Kazunari Takagi Sony 1
#6 Tsukao Yokoyama Unknown 1
#6 Takashi Naka Nissan Motor Co. 1
#6 Kenji Kadowaki Honda Motor Co. 1
#6 Masaaki Namekawa Citizen Holdings Co. 1