Lin; Youyao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lin; Youyao.The latest application filed is for "method and system for implementing ring service of instant messaging".
- Lin; Youyao - Shenzhen CN
- Lin; Youyao - Guangdong CN
| Patent | Date |
|---|---|
| Group based communication method, system and client Grant 7,844,664 - Li , et al. November 30, 2 | 2010-11-30 |
| Method and System For Implementing Ring Service of Instant Messaging App 20080313275 - Luo; Chaojin ; et al. | 2008-12-18 |
| Group Based Communication Method, System and Client App 20080195706 - Li; Bin ; et al. | 2008-08-14 |
| Method and System For Providing Group Chat Service App 20080172463 - Qin; Pengcheng ; et al. | 2008-07-17 |
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