Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Makoto Ishikawa Smc 5
2 Masaru Yamamoto IBM 2
3 Yasuo Kuwabara Aisin Seiki Kabushiki Kaisha 1
3 Yoshiaki Ishikawa Aisin Seiki Kabushiki Kaisha 1