Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Yuji Yamaguchi Toyota 2
1 Takemi Yamamoto Brother Kogyo 2
1 Shigeki Hashimoto Sony 2
1 Satoru Ono Seiko Epson 2
#5 Koichi Wani Sumitomo Electric Industries 1
#5 Masanori Tomioka Uchiyama Manufacturing 1
#5 Takeshi Morita Mitsubishi Electric 1