Inventor · disambiguated record
Tadahiko Ryuugou
Also filed as: RYUUGOU TADAHIKO
2 granted patents·81 citations·filing 2001–2004
68Inventor score
Top patents by PatentIndex Score
2 records- 0194US6726859B2Fresnel lens, screen, image display device, lens mold manufacturing method and lens manufacturing methodMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Apr 27, 2004·58 cites·10 claims
- 0270US7116476B2Fresnel lens, screen, image displaying device, lens forming mold manufacturing method and lens manufacturing methodDAINIPPON PRINTING CO LTD·Filed 2004·Granted Oct 3, 2006·23 cites·41 claims
Join the waitlist — get patent alerts
Get an alert when Tadahiko Ryuugou 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 →