Inventor

Haihua Yu

Inventor

Beijing, CN

Overview

2014–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 13 as inventor

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

H04Wprimary

H04WWireless communication networks23%

G06TImage data processing or generation, in general17%

H04LTransmission of digital information, e.g. telegraphic communication17%

H04NPictorial communication, e.g. television10%

A61BDiagnosis3%

G01CMeasuring distances, levels or bearings3%

G01SRadio direction-finding3%

G01TMeasurement of nuclear or x-radiation3%

G02BOptical elements, systems or apparatus3%

G06FElectric digital data processing3%

PatentTitleYear

10,674,402Load balancing system with an access controller in the field of communication technology2020 10,491,601Area restricted access system, method and non-transitory computer-readable storage medium2019 10,478,068Camera device having a parabolic mirror set between dual cameras and method for shooting light having at least two wavelength bands2019 10,482,571Dual fisheye, hemispherical image projection and stitching method, device and computer-readable medium2019 10,482,644Method, apparatus and electronic device for processing panoramic image2019 10,438,334Three dimensional image fusion method and device and non-transitory computer-readable medium2019 10,123,158Method and device for recognizing user of mobile device2018 9,772,396'Relative orientation angle calculation method and device as well as relative positioning method'2017 9,462,463'Method of controlling states of mobile node and verifier therein for receiving secret key'2016 9,326,315'Area-limited self-organized network management method, communications apparatus, and system'2016 9,226,336'Wireless network area limiting method and system based on near field communication'2015 9,055,436'Transmitting device, receiving device, wireless communication system and method for controlling wireless communication system'2015 8,861,892'Method and apparatus for determining projection area of image'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2020Patents assigned to RICOH CO LTD (13)· patent assignee history

2014–2020Patents assigned to YU HAIHUA (13)· patent assignee history

2014–2019Patents assigned to WANG WEI (11)· patent assignee history

2014–2019Patents assigned to YI HONG (6)· patent assignee history

2014–2020Based in Beijing, CN· patent location history

2015–2019Patents assigned to DA BIN (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH CO LTD	13	2014–2020
YU HAIHUAself	13	2014–2020
WANG WEI	11	2014–2019
DA BIN	7	2015–2019
YI HONG	6	2014–2019

Locations

Location	Patents	Span
Beijing, CN	13	2014–2020