Inventor · disambiguated record
Ryuji Masuyama
Also filed as: MASUYAMA RYUJI
12 granted patents·19 citations·filing 2013–2018
85Inventor score
Top patents by PatentIndex Score
12 records- 0184US9366835B2Integrated optical semiconductor device and integrated optical semiconductor device assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jun 14, 2016·5 cites·10 claims
- 0282US9563100B2Optical semiconductor device and method of producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 7, 2017·2 cites·10 claims
- 0379US9696496B2Semiconductor optical device and semiconductor assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jul 4, 2017·3 cites·9 claims
- 0479US9023677B2Method for producing spot size converterSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted May 5, 2015·2 cites·9 claims
- 0578US8969989B2Optical-to-electrical converter unit and semiconductor light-receiving deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Mar 3, 2015·2 cites·8 claims
- 0667US9103976B2Method for manufacturing waveguide-type semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Aug 11, 2015·2 cites·9 claims
- 0765US9893100B2Semiconductor optical device integrating photodiode with optical waveguide and method of forming the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Feb 13, 2018·1 cites·10 claims
- 0861US9123539B2Method for manufacturing optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Sep 1, 2015·1 cites·8 claims
- 0960US8900903B2Method for producing optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Dec 2, 2014·1 cites·9 claims
- 1058US8946842B2Method for manufacturing optical waveguide receiver and optical waveguide receiverSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Feb 3, 2015·0 cites·8 claims
- 1148US10514516B2Semiconductor optical device monolithically integrating optical waveguides with photodiodes having a shared bias pad and apparatus implementing the sameSEDI INC·Filed 2018·Granted Dec 24, 2019·0 cites·12 claims
- 1246US8873598B2Waveguide-type optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Oct 28, 2014·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Ryuji Masuyama 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 →