Inventor · disambiguated record
Ryohei Takayama
Also filed as: TAKAYAMA RYOHEI
8 granted patents·52 citations·filing 2010–2022
84Inventor score
Top patents by PatentIndex Score
8 records- 0187US9494300B2Illuminating apparatusMINEBEA CO LTD·Filed 2014·Granted Nov 15, 2016·12 cites·8 claims
- 0287US8118465B2Spread illuminating apparatusKUNIMOCHI TORU·Filed 2010·Granted Feb 21, 2012·18 cites·9 claims
- 0385US9267666B2Illuminating apparatusMINEBEA CO LTD·Filed 2014·Granted Feb 23, 2016·10 cites·7 claims
- 0477US8727580B2Illuminating deviceTAKAYAMA RYOHEI·Filed 2012·Granted May 20, 2014·8 cites·21 claims
- 0571US8894250B2Illuminating deviceASAI MASAKI·Filed 2012·Granted Nov 25, 2014·2 cites·7 claims
- 0666US9476565B2Illuminating apparatus and method of producing lens sheet used thereinMINEBEA CO LTD·Filed 2013·Granted Oct 25, 2016·2 cites·9 claims
- 0751US9429299B2Optical member with prismsMINEBEA CO LTD·Filed 2016·Granted Aug 30, 2016·0 cites·8 claims
- 0830US12123590B2Lighting deviceMINEBEA MITSUMI INC·Filed 2022·Granted Oct 22, 2024·0 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →