Inventor · disambiguated record
Hiroaki Mizuma
Also filed as: MIZUMA HIROAKI
3 granted patents·1 pending application·1 citations·filing 2002–2007
51Inventor score
Technology areasG11B
Files withSONY CORP3
Top patents by PatentIndex Score
4 records- 0168US7230903B2Recording and playback apparatus and optical head including a variable optical coupling efficiency deviceSONY CORP·Filed 2006·Granted Jun 12, 2007·1 cites·22 claims
- 0258US7852734B2Recording and playback apparatus and optical headSONY CORP·Filed 2007·Granted Dec 14, 2010·0 cites·10 claims
- 0341US2003169667A1Recording and playback apparatus and optical headFiled 2002·Application pending·0 cites
- 0438US7231646B2Disk-drive deviceSONY CORP·Filed 2002·Granted Jun 12, 2007·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hiroaki Mizuma 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 →