Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Samukawa, JP ranks #938 worldwide for total patents filed in 2016, with 135 patents from 74 inventors. Leading employers of inventors based in Samukawa, JP include Kyocera Document Solutions, Kabushiki Kaisha Toshiba, Unicharm.

Showing 1–50 of 74 inventors

Rank Inventor Primary Company Patents
1 Satoshi Kawakami Kyocera Document Solutions 8
2 Shosuke Fujii Kabushiki Kaisha Toshiba 7
3 Hirotomo Mukai Unicharm 6
3 Osamu Ishikawa Mitsubishi Electric 6
#5 Yoshikazu Ogasawara Unicharm 4
#5 Takumi Nakano Unicharm 4
#5 Takaya Arayama Unicharm 4
#5 Yukihiro Ito Mita Industrial Co. 4
#9 Akio Nagao Panasonic 3
#9 Yoshihide Ishikawa Unicharm 3
#9 Shunsuke Takino Unicharm 3
#9 Takeshi Bando Unicharm 3
#9 Satoshi Wakatsuki Toshiba Memory 3
#14 Seiichi Kuwano Unicharm 2
#14 Daisuke Miyake Unicharm 2
#14 Yasushi Matsuda Jnc 2
#14 Kiyoko Nishimura Unicharm 2
#14 Kenta Taniguchi Unicharm 2
#14 Toshiyuki Tanio Unicharm 2
#14 Yuki Hashino Unicharm 2
#14 Tatsuya Yanagisawa Fujitsu Limited 2
#14 Shinpei Komatsu Fujitsu Limited 2
#14 Nobuhiro Oguma Mitsubishi Materials 2
#14 Hitoshi Manabe Kyowa Chemical Industry Co. 2
#14 Azusa Matsushima Unicharm 2
#14 Ikue Hiramatsu Unicharm 2
#14 Katsuhiro Uematsu Unicharm 2
#14 Miwa Iida Unicharm 2
#14 Toshiyasu Yoshioka Unicharm 2
#30 Sachi Hamada Unicharm 1
#30 Yasuhiko Masuda Fujitsu Limited 1
#30 Shin Iwase Cypress Semiconductor 1
#30 Takahito Nagai Unicharm 1
#30 Nozomu Nishi National University Corporation Kagawa University 1
#30 Masaaki Ueki National University Corporation Kagawa University 1
#30 Iwao Ishikawa Tadano 1
#30 Toshihiko Miki Nippon Steel 1
#30 Hidetoshi Fuke Tadano 1
#30 Kazuhiro Hara Toshiba Tec Kabushiki Kaisha 1
#30 Yoshihiko Matsumoto Unicharm 1
#30 Yoshiyuki Kakehi Matsutani Chemical Industry Co. 1
#30 Hidefumi Goda Unicharm 1
#30 Sekai Nomoto Unicharm 1
#30 Kohei Oohori Kyowa Chemical Industry Co. 1
#30 Mitsuomi Hirashima Otsuka Pharmaceutical Co. 1
#30 Masayuki Moriya Cypress Semiconductor 1
#30 Yumei Takahashi Unicharm 1
#30 Koh-en Yamauchi National University Corporation Kagawa University 1
#30 Noriaki Yamaji Shikoku Chemicals 1
#30 Junichi Kita Shimadzu 1