KS

Koji SHIWAKU

HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,335,224 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12331484 Work machine Masamichi Ito, Shinya Kasai 2025-06-17
12331489 Work machine and control system for work machine Shinya Imura 2025-06-17
12077945 Operation assistance system for work machine having an extendable work area Takaaki CHIBA, Shinya Imura, Shinjiro YAMAMOTO, Masamichi Ito 2024-09-03