Inventor · disambiguated record
Masami Yokoyama
Also filed as: YOKOYAMA MASAMI
3 granted patents·57 citations·filing 1996–2010
70Inventor score
Top patents by PatentIndex Score
3 records- 0175US9519087B2Prismatic retroreflective sheeting with reduced retroreflectivity of infra-red lightNAKAJIMA TOSHITAKA·Filed 2010·Granted Dec 13, 2016·8 cites·38 claims
- 0270US9110235B2Retroreflective sheeting and license plate with reduced retroreflectivity at high entrance anglesNAKAJIMA TOSHITAKA·Filed 2010·Granted Aug 18, 2015·3 cites·23 claims
- 0370US5714223ARetroreflective sheet and article having retroreflectivenessMINNESOTA MINING & MFG·Filed 1996·Granted Feb 3, 1998·46 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Masami Yokoyama 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 →