Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 5,851–5,900 of 7,577 inventors

Rank Inventor Primary Company Patents
#4941 Shoichi Iwata 1
#4941 Kunio Tawara Toagosei Chemical Industry Co. 1
#4941 Takahire Suzuki Ngk Spark Plug Co. 1
#4941 Yosiyasu Hanya Brother Kogyo 1
#4941 Kousaku Toratani Brother Kogyo 1
#4941 Nobuyoshi Nakashima Brother Kogyo 1
#4941 Shunichi Nishizawa Mitsubishi Mining 1
#4941 Haruo Matsui Ministry Of International Trade & Industry 1
#4941 Masahiro Fukutomi Oki Electric Industry Co. 1
#4941 Osamu Kainuma Nikken Chemical Laboratory Co. 1
#4941 Junji Isikawa Nippondenso Co. 1
#4941 Saburo Matsubayashi Mitsubishi Mining 1
#4941 Nobuhiko Kougo Mitsubishi Mining 1
#4941 Katsumi Yoshida Taihei Machinery Works 1
#4941 Masaya Suzuki Aica Kogyo Co. 1
#4941 Shigeru Tsunashima Daido Tokushuko 1
#4941 Shigeru Nagasaki Ngk Spark Plug Co. 1
#4941 Yukio Nakatani Brother Kogyo 1
#4941 Hidehiro Uno Toyo Tire & Rubber Co. 1
#4941 Hisaya Taniguchi Kabushiki Kaisha Toshiba 1
#4941 Kozo Yabukami Brother Kogyo 1
#4941 Kazuyuki Shiji Mitsubishi Kasei Vinyl 1
#4941 Tetsuo Kamijyo Ngk Insulators 1
#4941 Wei-Tech W. Shang Phillips Petroleum 1
#4941 Shinji Takenouchi Kabushiki Kaisha Toshiba 1
#4941 Yasuro Inagaki Brother Kogyo 1
#4941 Sadayosi Kajino Nippondenso Co. 1
#4941 Kazuyuki Mizoguchi Ngk Insulators 1
#4941 Masato Ishihara Sanyo Electric Co. 1
#4941 Akihiro Sawada Brother Kogyo 1
#4941 Takahumi Tanaka Brother Kogyo 1
#4941 Takahiro Ohnuki Nihon Parkerizing Co. 1
#4941 Tokimasa Kawamura Ngk Insulators 1
#4941 Kunio Okabe 1
#4941 Tomoe Goto Brother Kogyo 1
#4941 Yoshimitu Suzuki 1
#4941 Sueshige Nakamura Mitsubishi Mining 1
#4941 Hideo Uneo Brother Kogyo 1
#4941 Tomonari Terashima Ngk Insulators 1
#4941 Hiroyuki Nishiki Toyoda Gosei Co. 1
#4941 Masayasu Minamikawa Ngk Insulators 1
#4941 Masayoshi Imaeda Nippondenso Co. 1
#4941 Tetsuo Oshiro Ngk Spark Plug Co. 1
#4941 Tadasha Fujita Ngk Insulators 1
#4941 Mikiyoshi Okochi Ngk Spark Plug Co. 1
#4941 Yasuo Houjo Toyota 1
#4941 Tsugumi Ichie Ngk Spark Plug Co. 1
#4941 Satoshi Marii Brother Kogyo 1
#4941 Toshitsuyo Hiraki 1
#4941 Sadatoshi Takemoto Hitachi 1