Inventor · disambiguated record
Atsuko Niwa
Also filed as: NIWA ATSUKO
2 granted patents·325 citations·filing 1997–2001
72Inventor score
Technology areasH01S
Top patents by PatentIndex Score
2 records- 0197US6639925B2Optical information processing equipment and semiconductor light emitting device suitable thereforHITACHI INC·Filed 2001·Granted Oct 28, 2003·285 cites·9 claims
- 0277US6542526B1Optical information processor and semiconductor light emitting device suitable for the sameHITACHI LTD·Filed 1997·Granted Apr 1, 2003·40 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Atsuko Niwa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →