Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Hajime Hata Shikoku Chemicals 1
1 Teruo Tada Okura Industrial Co. 1
1 Shunji Hyoda Japan Hydrazine Co. 1
1 Kazuo Kondoh Bioengineering Laboratories S.R.L 1