Assignee
YAMAKAWA MASAHIKO
JP·4 granted patents·23 citations·filing 2010–2011
Top patents by PatentIndex Score
4 records- 0183US9109762B2White light source and white light source system including the sameYAMAKAWA MASAHIKO·Filed 2011·Granted Aug 18, 2015·7 cites·10 claims
- 0280US8884512B2White light emitting lamp and white LED lighting apparatus including the sameYAMAKAWA MASAHIKO·Filed 2010·Granted Nov 11, 2014·6 cites·20 claims
- 0379US8710532B2White light emitting lamp and white LED lighting apparatus including the sameYAMAKAWA MASAHIKO·Filed 2011·Granted Apr 29, 2014·7 cites·8 claims
- 0475US9112120B2White light source and white light source system including the sameYAMAKAWA MASAHIKO·Filed 2011·Granted Aug 18, 2015·3 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when YAMAKAWA MASAHIKO 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 →