Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 Tadao Endo Canon 8
2 Hiroyuki Kawanishi Fujifilm 5
3 Hajime Serizawa Polyplastics Co. 2
#4 Toshihiro Tsukui Nippon Zenyaku Kogyo Co. 1
#4 Ryo Kojima Nitto Boseki Co. 1
#4 Akihiro Hironaka Gates Unitta Asia 1
#4 Noboru Yamamoto Denso 1
#4 Teppei Konishi Agc 1
#4 Atsuo Nozaki Dai Nippon Printing Co. 1
#4 Naoya Itou Kyocera 1
#4 Akihiro Kawabata Konica Minolta 1
#4 Kenichi Shioya Asahi Glass Co. 1
#4 Hiroto Inoue Sumitomo Electric Industries 1
#4 Hirotaka Nashi Asahi Glass Co. 1
#4 Takashi Nonaka Canon 1
#4 Katsuhiro Katayama Nitto Boseki Co. 1
#4 Yosuke Konishi Murata Manufacturing Co. 1
#4 Takashi Matsufuji Toyo Aluminium 1