LexDanaLexDanabeta
Inventor

DEFENG LU

Inventor
US

Overview

3→
Patents
2023–2026
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication29%
H04MTelephonic communication29%
H04NPictorial communication, e.g. television29%
F24FAir-conditioning14%
PatentTitleYear
12,571,545Split window air conditioner202612,355,830Transferring a phone call into a video conferencing session202511,805,158Method and system for elevating a phone call into a video conferencing session2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to ZOOM VIDEO COMMUNICATIONS INC (1)· patent assignee history
2023–2025Based in US· patent location history
2025Patents assigned to ZOOM COMMUNICATIONS INC (1)· patent assignee history
2026Patents assigned to JIANGSU YOAU INTELLIGENT TECH CO LTD (1)· patent assignee history
2026Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JIANGSU YOAU INTELLIGENT TECH CO LTD12026
ZOOM COMMUNICATIONS INC12025
ZOOM VIDEO COMMUNICATIONS INC12023
Locations
LocationPatentsSpan
US22023–2025
CN12026