Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 3,801–3,850 of 11,174 inventors

Rank Inventor Primary Company Patents
#2191 Jiro Fujiyasu Astellas Pharma 2
#2191 Jun Hagiwara Tdk 2
#2191 Satoshi Iida Renesas Electronics 2
#2191 Tsutomu Kawachi Sony 2
#2191 Junji Ebine Laurel Precision Machines Co. 2
#2191 Kyoko Yamamoto Sumitomo Chemical 2
#2191 Naoya Aoki Jfe Steel 2
#2191 Hiroshi Tsutsui Aisin Aw Co. 2
#2191 Yasuhiko Endo Asahi Glass Co. 2
#2191 Akira Sugawara Dowa Metaltech Co. 2
#2191 Yukimasa Saito Tokyo Electron Limited 2
#2191 Masaki Fukuchi Sony 2
#2191 Hiroaki Ido Bayer Materialscience Ag 2
#2191 Yukio Ikeda Hitachi 2
#2191 Atsuo Nakagawa Panasonic 2
#2191 Taizo Ito Bridgestone 2
#2191 Kazuyuki Iizuka Hitachi Cable 2
#2191 Hiroyuki Ishihara Panasonic 2
#2191 Kenichiro Hasumi Unknown 2
#2191 Takuya Seino Canon 2
#2191 Masuo Ito Hamamatsu Photonics K.K. 2
#2191 Tsuyoshi Kashiwagi Dai Nippon Printing Co. 2
#2191 Hiroyuki Chiba Sony 2
#2191 Takeyoshi Saiga Canon 2
#2191 Masahiko Kitayama Toshiba Medical Systems 2
#2191 Kazuyuki Yanase Hitachi Medical 2
#2191 Kazuhiko Fujiie Sony 2
#2191 Nahoko Kuroda Nec 2
#2191 Hiromi Shimazu Hitachi 2
#2191 Hideyuki Hosokawa Hitachi-Ge Nuclear Energy 2
#2191 Tomoyuki Sasaki Tdk 2
#2191 Hiroshi Funaki Asahi Glass Co. 2
#2191 Toshiharu Sato Oki Data 2
#2191 Jun Kanamori Oki Electric Industry Co. 2
#2191 Yukio Sakagawa Canon 2
#2191 Hirohito Kuriyama Fujitsu Limited 2
#2191 Takuya Tsutsumi Sony 2
#2191 Hirotaka Itoh Asmo Co. 2
#2191 Kuniaki Takahashi Sony 2
#2191 Seiichi Ono Nemoto Kyorindo Co. 2
#2191 Ken-ichiro Hiwatari Adeka 2
#2191 Naoki Uchida Koito Manufacturing Co. 2
#2191 Hideyuki Emoto Denka Company Limited 2
#2191 Rie Takayama Sumitomo Bakelite Co. 2
#2191 Shigeru Muramatsu Yamaha 2
#2191 Naoya Yoshida Asahi Kasei Chemicals 2
#2191 Naoyuki Ohno Sony 2
#2191 Yoshinori Asamura Mitsubishi Electric 2
#2191 Isao Kezobo Mitsubishi Electric 2
#2191 Makoto Migita Futaba 2