Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tainai, JP ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 8 inventors. Leading employers of inventors based in Tainai, JP include Kuraray Co., Mitsubishi Electric, Hitachi Industrial Equipment Systems Co..

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Akinobu Takeda Kuraray Co. 2
2 Takahiro HOSONO Kuraray Co. 1
2 Hirotoshi Sato Mitsubishi Electric 1
2 Daisuke Shimao Hitachi Industrial Equipment Systems Co. 1
2 Ichihiro Aratani Kuraray Co. 1
2 Takao Hoshiba Kuraray Co. 1
2 Junpei Horiguchi Kuraray Co. 1
2 Wataru Tsuji Kuraray Co. 1