Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Shigeo Moriyama Hitachi 43
2 Yasushi Sawada Panasonic 25
3 Shin Ohba Konica Minolta 15
#4 Kaoru Kondo Rion Co. 13
#5 Mitsuhiro Shikida Hitachi 6
#6 Masayuki Nakata Hitachi 5