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name:-0.0045089721679688
name:-0.00051188468933105
SONG; Liyan Patent Filings

SONG; Liyan

Patent Applications and Registrations

Patent applications and USPTO patent grants for SONG; Liyan.The latest application filed is for "optical coherence tomography (oct) catheter for respiratory tract".

Company Profile
2.4.7
  • SONG; Liyan - Guangzhou CN
  • Song; Liyan - Nanjing CN
  • Song; Liyan - Shenzhen CN
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Optical Coherence Tomography (oct) Catheter For Respiratory Tract
App 20200367752 - SONG; Liyan ;   et al.
2020-11-26
Uterus Oct Catheter And Uterus Oct Equipment With Pull-back Function
App 20200305724 - SONG; LIYAN ;   et al.
2020-10-01
Surveillance video playback method, device, and system
Grant 9,843,775 - Wang , et al. December 12, 2
2017-12-12
Method, apparatus, and system for adding electronic mail attachment
Grant 9,584,452 - Song , et al. February 28, 2
2017-02-28
Surveillance Video Playback Method, Device, and System
App 20160094805 - Wang; Feng ;   et al.
2016-03-31
Video Obtaining Method, Device, and System
App 20140380163 - Peng; Song ;   et al.
2014-12-25
Method, Apparatus, and System for Adding Electronic Mail Attachment
App 20140317210 - Song; Liyan ;   et al.
2014-10-23
Method, device, and system for voice approval
Grant 8,775,188 - Deng , et al. July 8, 2
2014-07-08
Method, Device, And System For Voice Approval
App 20130311191 - DENG; Weijun ;   et al.
2013-11-21
Call processing method, system and equipment of same number service
Grant 8,284,767 - Yi , et al. October 9, 2
2012-10-09
Call processing method, system and equipment of same number service
App 20100220719 - Yi; Zhiquan ;   et al.
2010-09-02

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