Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Sotsuo Miyoshi Mitsubishi Electric 4
2 Katsumi Kozu Sumitomo Electric Industries 3
2 Noboru Ohtani Nippon Steel 3
#4 Mitsuru Kudari Nippon Pillar Packing Co. 2
#4 Masayoshi Katsura Nippon Pillar Packing Co. 2
#6 Kaichi Ueno Ricoh Company 1
#6 Yoshiyuki Kioi Kyoritsu Gokin Mfg. Co. 1
#6 Yoichi Anzo Hitachi 1
#6 Masahiro Nakahama Furuno Electric Company Limited 1
#6 Yuuji Matsumoto Denso 1
#6 Masao Konaka Nippon Pillar Packing Co. 1
#6 Tetsuo Furuichi Megachips 1
#6 Mizuya Matsufuji Kanzaki Kokyukoki Mfg. Co. 1
#6 Kohiji Yoshii Ricoh Company 1
#6 Masanobu Fukushima Mazda Motor 1
#6 Hiroyuki Sasakura Nippon Pillar Packing Co. 1
#6 Yoshinari Kobuchi Nippon Pillar Packing Co. 1
#6 Osamu Satake 1
#6 Takashi Furui Mitsubishi Electric 1
#6 Shoubin Zhang Mitsubishi Materials 1
#6 Takeshi Nita Mitsubishi Electric 1
#6 Katsutoshi Mishima Sysmex 1
#6 Kouji Ohnishi Ricoh Company 1
#6 Toshihiko Fuse Nippon Pillar Packing Co. 1