Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 5,901–5,950 of 7,577 inventors

Rank Inventor Primary Company Patents
#4941 Tutomu Suyama The Yokohama Rubber Co. 1
#4941 Isse Hayakawa Ngk Insulators 1
#4941 Munehiro Hanada Mitsubishi Mining 1
#4941 Yoshio Unno Honshu Seishi Kabushiki Kaisha 1
#4941 Toshimasa Hayakawa Brother Kogyo 1
#4941 Yuzou Kaga Menicon Co. 1
#4941 Yoshiaki Orito Sumitomo Light Metal Industries 1
#4941 Monpei Shirato Kabushiki Kaisha Sanshin Seisakusho 1
#4941 Masanao Ono Ngk Insulators 1
#4941 Hatsue Ohno Brother Kogyo 1
#4941 Mizuno Fumio Ngk Spark Plug Co. 1
#4941 Katsushi Kubo Ministry Of International Trade & Industry 1
#4941 Yougi Sato Brother Kogyo 1
#4941 Shuji Matumura Mitsui Toatsu Chemicals, Incorporated 1
#4941 Setuo Kashiyama Mitsubishi Electric 1
#4941 Ito Kenji Ngk Spark Plug Co. 1
#4941 Shigekazu Sumida Kabushiki Kaisha Toshiba 1
#4941 Kiyoshi Ogawa Mitsubishi Mining 1
#4941 Masakatsu Daijyo Mitsubishi Electric 1
#4941 Kazuhiko Soe Fuji Machinery Co. 1
#4941 Yashuhiro Okada Toyoda Koki Kabushiki Kaisha 1
#4941 Eiji Iritani Kabushiki Kaisha Sanshin Seisakusho 1
#4941 Komazawa Osamu Aisin Seiki Kabushiki Kaisha 1
#4941 Takumi Okamura Toagosei Chemical Industry Co. 1
#4941 Tenshiro Muta Ministry Of International Trade & Industry 1
#4941 Yoshimasa Hirata Banyu Pharmaceutical Co. 1
#4941 Takashi Iomoda Toyota 1
#4941 Norio Ohiwa Paloma Kogyo Kabushiki Kaisha 1
#4941 Katutoshi Okamura Fuji-Davison Chemical 1
#4941 Masayuki Murasaki Mitsubishi Mining 1
#4941 Tadao Ohshima Nippondenso Co. 1
#4941 Masayuki Hayakawa Mitsubishi Mining 1
#4941 Sachio Onoda Churyo Engineering Kabushiki Kaisha 1
#4941 Masaaki Sakaki Mitsubishi Electric 1
#4941 Yoshiaki Onabe Ngk Insulators 1
#4941 Etsuo Nakajima Furukawa Electric Co. 1
#4941 Shigeo Isoda Kobe Steel 1
#4941 Toshihiso Takai Kabushiki Kaisha Asano Kenkyusho 1
#4941 Takichi Nagahashi Mitsubishi Electric 1
#4941 Sadashi Hirano Brother Kogyo 1
#4941 Masashi Hirabayashi Churyo Engineering Kabushiki Kaisha 1
#4941 Motomu Asano Unknown 1
#4941 Kenji Shirakata Mitsubishi Electric 1
#4941 Kozo Higashizima Ngk Insulators 1
#4941 Mitusuke Takito Kabushiki Kaisha Asano Kenkyusho 1
#4941 Seiji Hatsutori Daido Tokushuko 1
#4941 Isao Matsuoka Aica Kogyo Co. 1
#4941 Toshinari Kunieda Fujitsu Limited 1
#4941 Yoshinori Obata Aica Kogyo Co. 1
#4941 Takichi Nagashashi Mitsubishi Electric 1