Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Youichi Tsuchiya Sanyo Electric Co. 2
2 Kazuhisa Yasui Sapporo Breweries Limited 1
2 Shigeki Fujita Kumiai Chemical Industry Co. 1
2 Kenichi Noguchi NTT 1
2 Akira Okabe Applied Materials 1
2 Masanobu Munekata Hitachi Chemical Company 1