Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Mihama, JP ranks #11,577 worldwide for total patents filed all time, with 160 patents from 27 inventors. Leading employers of inventors based in Mihama, JP include Sekisui Chemical Co., Kabushiki Kaisha Toshiba, Fujitsu Limited.

Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Juichi Fukatani Sekisui Chemical Co. 40
2 Nami Minakuchi Sekisui Chemical Co. 19
3 Kohei Kani Sekisui Chemical Co. 14
#4 Hideaki Ishizawa Sekisui Chemical Co. 13
#5 Daizou Ii Sekisui Chemical Co. 12
#6 Akira Hamaguchi Kabushiki Kaisha Toshiba 9
#6 Moyuru Okano Sekisui Chemical Co. 9
#8 Yoichi Kochibe Fujitsu Limited 6
#9 Masaki Matsudou Sekisui Chemical Co. 4
#10 Hiroshi Terawaki Daikin Industries 3
#10 Shinya Uenoyama Sekisui Chemical Co. 3
#10 Izumi Ohmoto Sekisui Chemical Co. 3
#10 Ryousuke Komatsu Sekisui Chemical Co. 3
#10 Shuuji Souma Aisin Takaoka Co. 3
#10 Yuji Uchimura Sekisui Chemical Co. 3
#10 Hironori Warabi Uniden 3
#17 Rio Marui Marui Co. 2
#17 Keji Horioka Applied Materials 2
#19 Ryuji Tateishi Denso 1
#19 Kousaku Yamada Nhk Spring Co. 1
#19 Akira Sawakata Toshiba 1
#19 Yuriko Kai 1
#19 Akira Mizumori Sekisui Chemical Co. 1
#19 Hidefumi Yasui Sekisui Chemical Co. 1
#19 Shuujirou Sadanaga Sekisui Chemical Co. 1
#19 Yuta Yamanaka Sekisui Chemical Co. 1
#19 Yoneo Oshiro 1