Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Shigeki Fujita Kumiai Chemical Industry Co. 2
2 Daisaku Kurokawa Sapporo Breweries Limited 1
2 Kazuhisa Yasui Sapporo Breweries Limited 1
2 Hisato Saida Okamura 1
2 Toshinori Miura Meidensha 1
2 Katsuyoshi Moriya Fujitsu Limited 1