Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Toki, JP ranks #9,436 worldwide for total patents filed all time, with 217 patents from 56 inventors. Leading employers of inventors based in Toki, JP include Fujikura, Brother Kogyo, Ngk Insulators.

Showing 1–50 of 56 inventors

Rank Inventor Primary Company Patents
1 Tetsuya Sakai Fujikura 79
2 Harumitsu Inoue Brother Kogyo 21
3 Tsuneo Komiyama Ngk Insulators 12
#4 Shunta Ushioda Showa Aluminum 9
#5 Yoshinori Kakamu Mino Ganryo Kagaku 5
#6 Takashi Mukasa Showa Aluminum 4
#6 Ryousaku Kobayashi Nohmi Bosai 4
#6 Katsuhisa YOSHIKAWA Toyota 4
#6 Kousuke Tobari Nippon Thompson Co. 4
#6 Tomoya Kimata Murata Machinery 4
#11 Shukichi Kakamu Mino Ganryo Kagaku 3
#11 Yuuki Tsukamoto Denso 3
#11 Kazuaki Kamiya Toyota 3
#11 Takeshi Nonogawa Noritake Co., Limited 3
#11 Shinichi Kakamu Mino Ganryo Kagaku 3
#16 Tomohiro Katayama Mitsubishi Motors 2
#16 Norikazu Sawada J.S.T. Mfg. Co. 2
#16 Mitsutaka Takahashi Maruwa Co. 2
#16 Koji Hieda Ngk Insulators 2
#16 Junichi Mizuno Fujitsu Limited 2
#16 Shota Fuchigami Toyota 2
#16 Sadahiko Kawasaki Takasago Industry Co. 2
#16 Hiroki Kumagai Takasago Industry Co. 2
#16 Yuya SEKIGAWA Toyota 2
#16 Atsuro Nakamura Hirose Electric Co. 2
#16 Yoshio Nagaya National House Industrial Co. 2
#16 Yukinobu Kato National University Corporation Kochi University 2
#16 Toshikazu Umezu Hitachi 2
#16 Kou Tukamoto Sumitomo Electric Industries 2
#16 Yoshitaka Ukawa Toyota 2
#31 Toshiki Nakamura Japan Fine Ceramics Center 1
#31 Mihoko Kudou Hitachi 1
#31 Sadatsugu Muto Inter-University Research Institute Coporation National Institutes Of Natural Sciences 1
#31 Kiyonari Kato Toyota 1
#31 Nariaki Tamaki Toyota 1
#31 Kazuo Saiki 1
#31 Genki Hirashima Maruwa Co. 1
#31 Shinzi Nagai Fujitsu Limited 1
#31 Kazuhisa Toyofuku Maruwa Co. 1
#31 Kiminori Hori Maruwa Co. 1
#31 Kyosuke Handa Ngk Spark Plug Co. 1
#31 Yoichi Hanakura Toyota 1
#31 Akira Senjyuu 1
#31 Shuichi Murooka Showa Aluminum 1
#31 Mitsuji Fushiya Toshiba 1
#31 Yuzo Nishi Nkg Insulators 1
#31 Isao Chizaki 1
#31 Akira Kagohashi Meijo Nano Carbon Co. 1
#31 Sinzi Nagai Fujitsu Limited 1
#31 Shiuchi Murooka Showa Aluminum 1