Inventor
TOUKAIRIN JUNICHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “TOUKAIRIN JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOKI HOLDINGS CO LTD
8 patentsUS11205820B2Dec 21, 2021
Battery pack, electrical device using battery pack, and electrical device system
KOKI HOLDINGS CO LTD12 citations85
US11980948B2May 14, 2024
Rotary tool
KOKI HOLDINGS CO LTD5 citations73
US11577376B2Feb 14, 2023
Electric device
KOKI HOLDINGS CO LTD3 citations71
US11837741B2Dec 5, 2023
Electrical apparatus using battery pack
KOKI HOLDINGS CO LTD1 citations62
US11824169B2Nov 21, 2023
Battery pack, electrical device using battery pack, and electrical device system
KOKI HOLDINGS CO LTD1 citations62
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
HITACHI KOKI KK
7 patentsUS8016048B2Sep 13, 2011
Electrical power tool
HITACHI KOKI KK49 citations94
USD610421SFeb 23, 2010
Portable electric driver
HITACHI KOKI KK43 citations92
US7213659B2May 8, 2007
Impact drill
HITACHI KOKI KK36 citations92
US7073605B2Jul 11, 2006
Impact drill
HITACHI KOKI KK33 citations92
US10654153B2May 19, 2020
Impact tool
HITACHI KOKI KK17 citations84
US9669536B2Jun 6, 2017
Powered working machine
HITACHI KOKI KK11 citations81
US10836019B2Nov 17, 2020
Work machine
HITACHI KOKI KK6 citations72