Inventor
TAMURA KENGO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOKI HOLDINGS CO LTD
6 patentsUS11980948B2May 14, 2024
Rotary tool
KOKI HOLDINGS CO LTD5 citations73
US11577376B2Feb 14, 2023
Electric device
KOKI HOLDINGS CO LTD3 citations71
US11992920B2May 28, 2024
Power tool
KOKI HOLDINGS CO LTD1 citations61
US12459084B2Nov 4, 2025
Working device
KOKI HOLDINGS CO LTD0 citations50
US12290901B2May 6, 2025
Impact tool
KOKI HOLDINGS CO LTD0 citations50
US12564928B2Mar 3, 2026
Sensor unit, work machine, communication method, and management method
KOKI HOLDINGS CO LTD0 citations49