KO

Kazuhiro OOTSUKA

KC Koki Holdings Co.: 7 patents #23 of 215Top 15%
📍 Ibaraki, JP: #1,449 of 6,779 inventorsTop 25%
Overall (All Time): #672,966 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12194606 Working machine Takashi Kawamata, Masahiro Miura 2025-01-14
12103151 Driving device Sotaro AIZAWA, Yoshiichi Komazaki 2024-10-01
11724375 Driving tool with switching mechanism 2023-08-15
11623330 Driving tool Yoshimitsu Iijima 2023-04-11
11571793 Driving tool Takuya Konnai 2023-02-07
11472012 Driver 2022-10-18
10280827 Engine and engine-driven working machine Naoto Ichihashi, Keisuke Ikeda 2019-05-07