Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Mitsuru Ozono Sumitomo Electric Industries 3
2 Fumihiro Takakura Japanese Red Cross Society 1
2 Masaharu Ohyama Sumitomo Electric Industries 1
2 Masaharu Oyama Sumitomo Electric Industries 1
2 Tadayuki Kajiwara Sumitomo Electric Industries 1
2 Noriaki Nada Sumitomo Electric Industries 1
2 Wataru Hidese Sumitomo Electric Industries 1