Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 Syouji Ono Ngk Spark Plug Co. 2
1 Masami Morita 2
1 Hiroyuki Yokoyama Tohoku University 2
1 Hiroki Kataoka 2
#5 Kazuo Okubo Fujitsu Limited 1
#5 Munekuni Oshima Murata Machinery 1
#5 Manabu Horiguchi Ngk Spark Plug Co. 1
#5 Ryotaro Tawara Ngk Spark Plug Co. 1
#5 Hisashi Nagata Sharp Kabushiki Kaisha 1
#5 Hideaki Taki Ngk Spark Plug Co. 1
#5 Yukitoshi Kurata Omron Healthcare Co. 1
#5 Susumu Maetaki Muratec Automation Co. 1
#5 Minoru Yamakuni 1
#5 Yuji Okumura Sony 1
#5 Tsutomu Shinya 1
#5 Tsuyoshi Muraoka 1
#5 Fumio Sayama 1
#5 Junichi Kurokawa 1