Assignee

HITACHI AMERICA LTD

US·164 granted patents·8 pending applications·12,590 citations·filing 19902022

Technology mixH04N81G11B37G06F34G06T23H04L20H03M16

Top patents by PatentIndex Score

172 records

Showing the top 50 of 172 patent records by PatentIndex Score.

Join the waitlist — get patent alerts

Get an alert when HITACHI AMERICA LTD files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →