Assignee
NORIHIRO KOIZUMI
JP·1 granted patent·2 pending applications·2 citations·filing 2001–2007
Top patents by PatentIndex Score
3 records- 0138US7218720B2Telephone directory assistance method and telephone directory assistance systemNORIHIRO KOIZUMI·Filed 2001·Granted May 15, 2007·2 cites·20 claims
- 0236US2008071928A1Address inquiry system, computer software product, and address inquiry methodNORIHIRO KOIZUMI·Filed 2007·Application pending·0 cites
- 0335US2007286392A1Telephone directory assistance method and telephone directory assistance systemNORIHIRO KOIZUMI·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when NORIHIRO KOIZUMI 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 →