The use case: how Hitachi deploys Ema
Hitachi Digital uses Ema's AI agent, code-named Skye, to handle HR workflows across five business units, resolving employee queries and managing tasks such as leave applications, claims, and reimbursements across the employee lifecycle.
More reported results
Figures published in Ema’s case study. They are not independently measured by usedby.
30% month-over-month drop in HR ticket volume
<8 weeks time to market
90%+ accuracy rate, reinforcing Hitachi's trust in Ema's capabilities
In the customer’s words
Grateful to our vendor partner Ema...delivering a working solution from idea to go-live in less than 2 months is no small feat.Other AI tools used by Hitachi
Other public relationships recorded on usedby.
Explore Hitachi’s AI stackOther companies using Ema
Customers across industries, with public evidence.
NTT DataConfirmed
WiproConfirmed
ADPObserved
David LloydObserved
Exclusive NetworksObservedGo straight to the source
Based on Ema’s published case study. We check the public evidence; the results are reported by the vendor.
ema.ai- Source published
- Jul 7, 2025
- Last checked
- Oct 30, 2026
Open source capture What the story claims, and what we checked
What we compared with the page.
- The figure: 70%Checked
Printed word for word on the page, near the name of Hitachi.
- The passage quoted aboveChecked
Copied word for word from the page, near the name of Hitachi.
- The publication dateChecked
Read from the page’s own metadata, never guessed.
- Hitachi uses EmaChecked
Confirmed line.
- The result itselfNot checked
We quote it; we did not measure it.
With more than 40,000+ Hitachi employees globally using Ema, the average query resolution time dropped from days to minutes, enhancing employee satisfaction and significantly boosting operational efficiency.



