Inventor · disambiguated record
Yongfu Yan
Also filed as: YAN YONGFU
3 granted patents·2 pending applications·6 citations·filing 2008–2024
54Inventor score
Top patents by PatentIndex Score
5 records- 0169US7940909B2Method and system for rewarding ring back tone, donor platform, and custom ring back tone platformHUAWEI TECH CO LTD·Filed 2008·Granted May 10, 2011·6 cites·18 claims
- 0252US2024158196A1Taper-adjustable roller and strip conveying deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 0337US8442211B2Method and system for providing a ring back tone in a communication networkYAN YONGFU·Filed 2009·Granted May 14, 2013·0 cites·4 claims
- 0434US8355756B2Service processing method, communication system and relevant devicesHUAWEI TECH CO LTD·Filed 2011·Granted Jan 15, 2013·0 cites·10 claims
- 0534US2010296637A1Service Processing Method, Communication System and Related DeviceHUAWEI TECH CO LTD·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →