TK

Takeru Kumakura

KC Koki Holdings Co.: 7 patents #23 of 215Top 15%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
📍 Ibaraki, JP: #1,290 of 6,779 inventorsTop 20%
Overall (All Time): #607,041 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12410911 Work machine Yoshiaki Osada, Ayaka KOIZUMI 2025-09-09
12168259 Power tool Yoshiaki Osada, Shinji Kuragano 2024-12-17
11969810 Work machine Shigeharu Ushiwata 2024-04-30
11211894 Electric tool Hideyuki Tanimoto, Takuya Yoshinari, Shinji Kuragano 2021-12-28
11141804 Power tool Yuuichi Toyoshima, Yoshitaka Sekine 2021-10-12
10702932 Power tool having first elastic member and second elastic member accommodated in first gear Shinji Kuragano 2020-07-07
10658957 Power tool Shinji Kuragano 2020-05-19
10086529 Power planer configured to restrain heat generation of control portion Akira Onose 2018-10-02