Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Keiko Matsuoka Sanyo Electric Co. 5
2 Yasushi Ochi Bld Oriental Co. 3
3 Tomonori Hamawaki Nihon Pharmaceutical Co. 2
3 Takeshi Akasaka Fuji Oil Holdings 2
#5 Tatsuya Suetsugu Isuzu Glass 1
#5 Yoshisada Michiura Kurimoto 1
#5 Tsunetsugu Imanishi Sumitomo Electric Industries 1
#5 Takako Isoda Nihon Pharmaceutical Co. 1
#5 Hiroyuki Ichiyama Fuji Oil Holdings 1
#5 Yosuke Kataoka Nihon Pharmaceutical Co. 1
#5 Ryou Hasegawa Fujifilm 1