Inventor

Rui Cao

Inventor

Fremont, CA, US

Overview

2007–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 64 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 communication34%

H04WWireless communication networks22%

H04BTransmission15%

G11BInformation storage based on relative movement between record carrier and transducer12%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use6%

G06FElectric digital data processing3%

F25BRefrigeration machines, plants or systems1%

F24FAir-conditioning1%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application1%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light1%

PatentTitleYear

10,873,909Frequency division multiple access (FDMA) support for wakeup radio (WUR) operation2020 10,834,674Training sequences for high efficiency wireless local area networks2020 10,826,735Systems and methods for implementing an OFDMA LTF design for wireless network communication2020 10,778,392Pilots for wireless access in vehicular environments2020 10,772,056Wakeup radio (WUR) packet preamble design2020 10,764,828Wakeup radio (WUR) packet multi-format design2020 10,742,285Explicit multiuser beamforming training in a wireless local area network2020 10,735,236Systems and methods to reduce peak to average power ratio for dual sub-carrier modulated transmissions in a wireless network2020 10,728,865Multi-antenna coherent combining for carrier sensing and symbol timing2020 10,727,990Packet duration indication in a high efficiency wireless local area network (WLAN)2020 10,715,368Generating packets having orthogonal frequency division multiplexing (OFDM) symbols2020 10,716,067Systems and methods for transmitting a wake-up radio signal to low power devices in a wireless communication system2020 10,715,365Determining number of midambles in a packet2020 10,701,632Wakeup packet modulation and demodulation2020 10,660,128Systems and methods for carrier sensing and symbol timing based on multi-antenna eigen-vector combining2020 10,548,082Wakeup radio (WUR) preamble design2020 10,541,796Packets with midambles having compressed OFDM symbols2020 10,498,409Explicit beamforming in a high efficiency wireless local area network2019 10,469,297Padding for orthogonal frequency division multiplexing (OFDM) symbols in a wireless communication system2019 10,439,854Systems and methods to reduce peak to average power ratio for dual sub-carrier modulated transmissions in a wireless network2019 10,411,937Generating packets having orthogonal frequency division multiplexing (OFDM) symbols2019 10,411,837Systems and methods for a multiple-input-multiple-output (MIMO) data transmission scheme using a space time block code (STBC)2019 10,401,327Systems and methods for multispectral photoacoustic microscopy2019 10,371,396Air conditioner heat-radiating circulation system2019 10,320,551Channel bonding design and signaling in wireless communications2019 10,257,006High efficiency orthogonal frequency division multiplexing (OFDM) physical layer (PHY)2019 10,243,711Carrier frequency offset estimation2019 10,230,490Systems, apparatuses and methods for a signal extension padding scheme2019 10,230,556Systems and methods for implementing an OFDMA LTF design for wireless network communication2019 10,159,043Training sequences in wireless communication systems2018 10,142,067Determining a number of orthogonal frequency division multiplexing (OFDM) symbols in a packet2018 10,132,530Heat recovery variable-frequency multi-split heat pump system and control method thereof2018 10,116,477Padding for orthogonal frequency division multiplexing (OFDM) symbols in a wireless communication system2018 10,116,359Explicit beamforming in a high efficiency wireless local area network2018 10,097,393Systems and methods to reduce peak to average power ratio for dual sub-carrier modulated transmissions in a wireless network2018 10,090,969Method and apparatus for transmission2018 10,044,476Signal field length indication in a high efficiency wireless local area network (WLAN)2018 9,954,703Compressed preamble for a wireless communication system2018 9,935,794Carrier frequency offset estimation2018 9,917,670'DC correction in uplink multi-user transmission'2018 9,853,791Medium access protection and bandwidth negotiation in a wireless local area network2017 9,832,059High efficiency orthogonal frequency division multiplexing (OFDM) physical layer (PHY)2017 9,768,996'Compressed orthogonal frequency division multiplexing (OFDM) symbols in a wireless communication system'2017 9,692,559'Systems and methods for a multiple-input-multiple-output (MIMO) data transmission scheme using a space time block code (STBC)'2017 9,397,873'Compressed orthogonal frequency division multiplexing (OFDM) symbols in a wireless communication system'2016 9,275,655'Timing error detector with diversity loop detector decision feedback'2016 9,218,845'Systems and methods for multi-head balancing in a storage device'2015 9,215,055'Medium access protection and bandwidth negotiation in a wireless local area network'2015 9,091,602'Quantum theory correction method and system for improving accuracy of temperature measurement of radiation thermometer'2015 9,053,217'Ratio-adjustable sync mark detection system'2015 9,019,642'Synchronization mark detection for multi-dimensional magnetic recording'2015 9,001,445'Multiple sync mark storage system'2015 8,929,010'Systems and methods for loop pulse estimation'2015 8,922,933'Systems and methods for loop processing with variance adaptation'2014 8,867,156'Systems and methods for P-distance based priority data processing'2014 8,861,112'Two dimensional magnetic recording system head separation estimator'2014 8,837,263'Automatic on-drive sync-mark search and threshold adjustment'2014 8,773,791'Systems and methods for X-sample based noise cancellation'2014 8,140,841'Method and micro-system for updating configurations of target system in computer'2012 7,990,643'Read channel configuration based on polarity determined in accordance with multiple framings of signal samples'2011 7,864,895'Viterbi detection using a correlation metric'2011 7,760,459'Framing selection and waveform polarity determination for an encoded repeating pattern'2010 7,580,216'Disk servo pattern writing'2009 7,307,807'Disk servo pattern writing'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2020Patents assigned to MARVELL INT LTD (19)· patent assignee history

2007–2015Based in San Jose, CA, US· patent location history

2014–2016Patents assigned to LSI CORP (11)· patent assignee history

2014–2016Based in Milpitas, CA, US· patent location history

2015–2020Patents assigned to MARVELL WORLD TRADE LTD (24)· patent assignee history

2015–2020Based in Fremont, CA, US· patent location history

2019Based in Charlottesville, VA, US· patent location history

2019Based in Qingdao, CN· patent location history

2020Patents assigned to NXP USA INC (6)· patent assignee history

2020Patents assigned to MARVELL ASIA PTE LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MARVELL WORLD TRADE LTD	24	2015–2020
MARVELL INT LTD	19	2007–2020
LSI CORP	11	2014–2016
NXP USA INC	6	2020
MARVELL ASIA PTE LTD	5	2020

Locations

Location	Patents	Span
Fremont, California, US	43	2015–2020
San Jose, California, US	11	2007–2015
Milpitas, California, US	5	2014–2016
Charlottesville, Virginia, US	1	2019
Qingdao, CN	1	2019