Inventor

Rongrong Yu

Inventor

Beijing, CN

Overview

9→

Patents

2011–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 9 as inventor

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

H01Fprimary

H01FMagnets8%

H04MTelephonic communication8%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

B60LPropulsion of electrically-propelled vehicles4%

F03DWind motors4%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%

G01RMeasuring electric variables4%

G04FTime-interval measuring4%

G05BControl or regulating systems in general4%

G06FElectric digital data processing4%

PatentTitleYear

11,042,126Time-to-digital converter2021 10,911,773Motion vector difference coding and decoding2021 10,763,027Method to optimize operation of a transformer cooling system, the corresponding system and a method to determine the VFD capacity2020 10,622,134Method and system for controlling cooling system of power equipment2020 10,613,153Method and apparatus for defect pre-warning of power device2020 10,288,043Wind turbine condition monitoring method and system2019 10,137,796Control system for electric vehicle charging station and method thereof2018 8,090,352'Method for sending individuation receipt information by a short message receiving terminal'2012 8,036,644'Method for join background sound to mobile communication talking'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2012Patents assigned to CHINA MOBILE COMM CORP (2)· patent assignee history

2011–2020Based in Beijing, CN· patent location history

2012Patents assigned to FENG LINGJUAN (1)· patent assignee history

2018–2020Patents assigned to ABB SCHWEIZ AG (4)· patent assignee history

2020Patents assigned to ABB POWER GRIDS SWITZERLAND AG (1)· patent assignee history

2021Patents assigned to ERICSSON TELEFON AB L M (1)· patent assignee history

2021Based in Singapore, SG· patent location history

2021Based in Solna, SE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ABB SCHWEIZ AG	4	2018–2020
CHINA MOBILE COMM CORP	2	2011–2012
ABB POWER GRIDS SWITZERLAND AG	1	2020
ERICSSON TELEFON AB L M	1	2021
FENG LINGJUAN	1	2012

Locations

Location	Patents	Span
Beijing, CN	7	2011–2020
Singapore, SG	1	2021
Solna, SE	1	2021