Inventor
TSUKADA YUJIN
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TSUKADA YUJIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS7312791B2Dec 25, 2007
Display unit with touch panel
HITACHI LTD223 citations98
US7245293B2Jul 17, 2007
Display unit with touch panel and information processing method
HITACHI LTD169 citations98
US7002556B2Feb 21, 2006
Touch responsive display unit and method
HITACHI LTD176 citations98
US6940494B2Sep 6, 2005
Display unit with touch panel and information processing method
HITACHI LTD136 citations98
US8003907B2Aug 23, 2011
Operation device and elevator apparatus with operation device
HITACHI LTD11 citations80
US11798108B2Oct 24, 2023
Transportation service planning system and transportation service planning method
HITACHI LTD0 citations50