Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Mikimoto Jin Seiko Epson 6
2 Koji Kitahara Seiko Epson 3
2 Masayuki Kikushima Seiko Epson 3
#4 Tsuyoshi Miyashita Hitachi 2
#5 Akinori Yamada Seiko Epson 1
#5 Chikara Kuroda Olympus 1
#5 Chiyoaki Iijima Seiko Epson 1
#5 Toshiya Sodeyama Olympus Imaging 1
#5 Yuko Obuchi Olympus 1
#5 Mitsuo Cho Canon 1
#5 Homare Sasaki Koa 1
#5 Masanori Inoue Fuji Electric Co. 1
#5 Satsuki Ishibashi Olympus 1
#5 Youhei Sakai Olympus 1
#5 Takeshi Kuroda Kobe Steel 1
#5 Tadahiko Yoshioka Koa 1
#5 Yasutaka Tanabe Nippon Electric Glass Co. 1
#5 Satoshi Iwaya Seiko Epson 1
#5 Kenji Karaki Olympus Optical Co. 1
#5 Toshiaki Miyazaki NTT 1