Inventor
SHIRAI KEISUKE
JP6 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAI KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6731621B1May 4, 2004
Mobil communication system for providing IP packet communications and method for routing IP packets
HITACHI LTD83 citations96
US9170118B2Oct 27, 2015
Navigation system for electric vehicle
HITACHI LTD27 citations90
US9308827B2Apr 12, 2016
Reachable range calculation apparatus, method, and program
HITACHI LTD2 citations61
US12333044B2Jun 17, 2025
Information processing system, information processing method, and computer
HITACHI LTD0 citations49
US12099621B2Sep 24, 2024
Computer system, data control method, and storage medium
HITACHI LTD0 citations45